MomentumBuoyancyBoussinesqSrcElemKernel<AlgTraits>::MomentumBuoyancyBoussinesqSrcElemKernel(
const stk::mesh::BulkData& bulkData,
const SolutionOptions& solnOpts,
ElemDataRequests& dataPreReqs)
: Kernel(),
rhoRef_(solnOpts.referenceDensity_),
ipNodeMap_(sierra::nalu::MasterElementRepo::get_volume_master_element(AlgTraits::topo_)->ipNodeMap())
{
const stk::mesh::MetaData& metaData = bulkData.mesh_meta_data();
ScalarFieldType *temperature = metaData.get_field<ScalarFieldType>(stk::topology::NODE_RANK, "temperature");
temperatureNp1_ = &(temperature->field_of_state(stk::mesh::StateNP1));
coordinates_ = metaData.get_field<VectorFieldType>(stk::topology::NODE_RANK, solnOpts.get_coordinates_name());
const std::vector<double>& solnOptsGravity = solnOpts.get_gravity_vector(AlgTraits::nDim_);
for (int i = 0; i < AlgTraits::nDim_; i++)
gravity_(i) = solnOptsGravity[i];
tRef_ = solnOpts.referenceTemperature_;
rhoRef_ = solnOpts.referenceDensity_;
beta_ = solnOpts.thermalExpansionCoeff_;
MasterElement* meSCV = sierra::nalu::MasterElementRepo::get_volume_master_element(AlgTraits::topo_);
get_scv_shape_fn_data<AlgTraits>([&](double* ptr){meSCV->shape_fcn(ptr);}, v_shape_function_);
// add master elements
dataPreReqs.add_cvfem_volume_me(meSCV);
// fields and data
dataPreReqs.add_coordinates_field(*coordinates_, AlgTraits::nDim_, CURRENT_COORDINATES);
dataPreReqs.add_gathered_nodal_field(*temperatureNp1_, 1);
dataPreReqs.add_master_element_call(SCV_VOLUME, CURRENT_COORDINATES);
}
MomentumNSOKeElemKernel<AlgTraits>::MomentumNSOKeElemKernel(
const stk::mesh::BulkData& bulkData,
const SolutionOptions& solnOpts,
VectorFieldType* ,
GenericFieldType* Gju,
const double fourthFac,
ElemDataRequests& dataPreReqs)
: Kernel(),
Gju_(Gju),
lrscv_(sierra::nalu::MasterElementRepo::get_surface_master_element(AlgTraits::topo_)->adjacentNodes()),
fourthFac_(fourthFac),
shiftedGradOp_(solnOpts.get_shifted_grad_op("velocity"))
{
const stk::mesh::MetaData& metaData = bulkData.mesh_meta_data();
velocityNp1_ = metaData.get_field<VectorFieldType>(
stk::topology::NODE_RANK, "velocity");
densityNp1_ = metaData.get_field<ScalarFieldType>(
stk::topology::NODE_RANK, "density");
pressure_ = metaData.get_field<ScalarFieldType>(
stk::topology::NODE_RANK, "pressure");
if (solnOpts.does_mesh_move())
velocityRTM_ = metaData.get_field<VectorFieldType>(
stk::topology::NODE_RANK, "velocity_rtm");
else
velocityRTM_ = metaData.get_field<VectorFieldType>(
stk::topology::NODE_RANK, "velocity");
pressure_ = metaData.get_field<ScalarFieldType>(
stk::topology::NODE_RANK, "pressure");
coordinates_ = metaData.get_field<VectorFieldType>(
stk::topology::NODE_RANK, solnOpts.get_coordinates_name());
Gjp_ = metaData.get_field<VectorFieldType>(stk::topology::NODE_RANK, "dpdx");
MasterElement *meSCS = sierra::nalu::MasterElementRepo::get_surface_master_element(AlgTraits::topo_);
get_scs_shape_fn_data<AlgTraits>([&](double* ptr){meSCS->shape_fcn(ptr);}, v_shape_function_);
// add master elements
dataPreReqs.add_cvfem_surface_me(meSCS);
// fields
dataPreReqs.add_gathered_nodal_field(*Gju_, AlgTraits::nDim_, AlgTraits::nDim_);
dataPreReqs.add_coordinates_field(*coordinates_, AlgTraits::nDim_, CURRENT_COORDINATES);
dataPreReqs.add_gathered_nodal_field(*velocityNp1_, AlgTraits::nDim_);
dataPreReqs.add_gathered_nodal_field(*velocityRTM_, AlgTraits::nDim_);
dataPreReqs.add_gathered_nodal_field(*Gjp_, AlgTraits::nDim_);
dataPreReqs.add_gathered_nodal_field(*densityNp1_,1);
dataPreReqs.add_gathered_nodal_field(*pressure_,1);
// master element data
dataPreReqs.add_master_element_call(SCS_AREAV, CURRENT_COORDINATES);
if ( shiftedGradOp_ )
dataPreReqs.add_master_element_call(SCS_SHIFTED_GRAD_OP, CURRENT_COORDINATES);
else
dataPreReqs.add_master_element_call(SCS_GRAD_OP, CURRENT_COORDINATES);
dataPreReqs.add_master_element_call(SCS_GIJ, CURRENT_COORDINATES);
}
ContinuityMassElemSuppAlg<AlgTraits>::ContinuityMassElemSuppAlg(
Realm &realm,
ElemDataRequests& dataPreReqs,
const bool lumpedMass)
: SupplementalAlgorithm(realm),
densityNm1_(NULL),
densityN_(NULL),
densityNp1_(NULL),
coordinates_(NULL),
dt_(0.0),
gamma1_(0.0),
gamma2_(0.0),
gamma3_(0.0),
lumpedMass_(lumpedMass),
ipNodeMap_(realm.get_volume_master_element(AlgTraits::topo_)->ipNodeMap())
{
// save off fields; shove state N into Nm1 if this is BE
stk::mesh::MetaData & meta_data = realm_.meta_data();
ScalarFieldType *density = meta_data.get_field<ScalarFieldType>(stk::topology::NODE_RANK, "density");
densityNm1_ = realm_.number_of_states() == 2 ? &(density->field_of_state(stk::mesh::StateN)) : &(density->field_of_state(stk::mesh::StateNM1));
densityN_ = &(density->field_of_state(stk::mesh::StateN));
densityNp1_ = &(density->field_of_state(stk::mesh::StateNP1));
coordinates_ = meta_data.get_field<VectorFieldType>(stk::topology::NODE_RANK, realm_.get_coordinates_name());
MasterElement *meSCV = realm.get_volume_master_element(AlgTraits::topo_);
// compute shape function
if ( lumpedMass_ )
meSCV->shifted_shape_fcn(&v_shape_function_(0,0));
else
meSCV->shape_fcn(&v_shape_function_(0,0));
// add master elements
dataPreReqs.add_cvfem_volume_me(meSCV);
// fields and data
dataPreReqs.add_gathered_nodal_field(*coordinates_, AlgTraits::nDim_);
dataPreReqs.add_gathered_nodal_field(*densityNm1_, 1);
dataPreReqs.add_gathered_nodal_field(*densityN_, 1);
dataPreReqs.add_gathered_nodal_field(*densityNp1_, 1);
dataPreReqs.add_master_element_call(SCV_VOLUME);
}
MomentumWallFunctionElemKernel<BcAlgTraits>::MomentumWallFunctionElemKernel(
const stk::mesh::BulkData& bulkData,
const SolutionOptions& solnOpts,
ElemDataRequests& dataPreReqs)
: Kernel(),
elog_(solnOpts.get_turb_model_constant(TM_elog)),
kappa_(solnOpts.get_turb_model_constant(TM_kappa)),
yplusCrit_(solnOpts.get_turb_model_constant(TM_yplus_crit)),
ipNodeMap_(sierra::nalu::MasterElementRepo::get_surface_master_element(BcAlgTraits::topo_)->ipNodeMap())
{
const stk::mesh::MetaData& metaData = bulkData.mesh_meta_data();
VectorFieldType *velocity = metaData.get_field<VectorFieldType>(stk::topology::NODE_RANK, "velocity");
velocityNp1_ = &(velocity->field_of_state(stk::mesh::StateNP1));
bcVelocity_ = metaData.get_field<VectorFieldType>(
stk::topology::NODE_RANK, "wall_velocity_bc");
density_ = metaData.get_field<ScalarFieldType>(stk::topology::NODE_RANK, "density");
viscosity_ = metaData.get_field<ScalarFieldType>(stk::topology::NODE_RANK, "viscosity");
exposedAreaVec_ = metaData.get_field<GenericFieldType>(metaData.side_rank(), "exposed_area_vector");
wallFrictionVelocityBip_ = metaData.get_field<GenericFieldType>(metaData.side_rank(), "wall_friction_velocity_bip");
wallNormalDistanceBip_ = metaData.get_field<GenericFieldType>(metaData.side_rank(), "wall_normal_distance_bip");
VectorFieldType *coordinates = metaData.get_field<VectorFieldType>(
stk::topology::NODE_RANK, solnOpts.get_coordinates_name());
MasterElement *meFC = sierra::nalu::MasterElementRepo::get_surface_master_element(BcAlgTraits::topo_);
// compute and save shape function
get_face_shape_fn_data<BcAlgTraits>([&](double* ptr){meFC->shape_fcn(ptr);}, vf_shape_function_);
// add master elements
dataPreReqs.add_cvfem_face_me(meFC);
// fields and data; mdot not gathered as element data
dataPreReqs.add_coordinates_field(*coordinates, BcAlgTraits::nDim_, CURRENT_COORDINATES);
dataPreReqs.add_gathered_nodal_field(*velocityNp1_, BcAlgTraits::nDim_);
dataPreReqs.add_gathered_nodal_field(*bcVelocity_, BcAlgTraits::nDim_);
dataPreReqs.add_gathered_nodal_field(*density_, 1);
dataPreReqs.add_gathered_nodal_field(*viscosity_, 1);
dataPreReqs.add_face_field(*exposedAreaVec_, BcAlgTraits::numFaceIp_, BcAlgTraits::nDim_);
dataPreReqs.add_face_field(*wallFrictionVelocityBip_, BcAlgTraits::numFaceIp_);
dataPreReqs.add_face_field(*wallNormalDistanceBip_, BcAlgTraits::numFaceIp_);
}
ScalarAdvDiffElemKernel<AlgTraits>::ScalarAdvDiffElemKernel(
const stk::mesh::BulkData& bulkData,
const SolutionOptions& solnOpts,
ScalarFieldType* scalarQ,
ScalarFieldType* diffFluxCoeff,
ElemDataRequests& dataPreReqs)
: Kernel(),
scalarQ_(scalarQ),
diffFluxCoeff_(diffFluxCoeff),
lrscv_(sierra::nalu::MasterElementRepo::get_surface_master_element(AlgTraits::topo_)->adjacentNodes()),
shiftedGradOp_(solnOpts.get_shifted_grad_op(scalarQ->name()))
{
// Save of required fields
const stk::mesh::MetaData& metaData = bulkData.mesh_meta_data();
coordinates_ = metaData.get_field<VectorFieldType>(
stk::topology::NODE_RANK, solnOpts.get_coordinates_name());
massFlowRate_ = metaData.get_field<GenericFieldType>(
stk::topology::ELEMENT_RANK, "mass_flow_rate_scs");
MasterElement *meSCS = sierra::nalu::MasterElementRepo::get_surface_master_element(AlgTraits::topo_);
get_scs_shape_fn_data<AlgTraits>([&](double* ptr){meSCS->shape_fcn(ptr);}, v_shape_function_);
const bool skewSymmetric = solnOpts.get_skew_symmetric(scalarQ->name());
get_scs_shape_fn_data<AlgTraits>([&](double* ptr){skewSymmetric ? meSCS->shifted_shape_fcn(ptr) : meSCS->shape_fcn(ptr);},
v_adv_shape_function_);
dataPreReqs.add_cvfem_surface_me(meSCS);
// fields and data
dataPreReqs.add_coordinates_field(*coordinates_, AlgTraits::nDim_, CURRENT_COORDINATES);
dataPreReqs.add_gathered_nodal_field(*scalarQ_, 1);
dataPreReqs.add_gathered_nodal_field(*diffFluxCoeff_, 1);
dataPreReqs.add_element_field(*massFlowRate_, AlgTraits::numScsIp_);
dataPreReqs.add_master_element_call(SCS_AREAV, CURRENT_COORDINATES);
if ( shiftedGradOp_ )
dataPreReqs.add_master_element_call(SCS_SHIFTED_GRAD_OP, CURRENT_COORDINATES);
else
dataPreReqs.add_master_element_call(SCS_GRAD_OP, CURRENT_COORDINATES);
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleNodalGradUElemAlgorithm::execute()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// extract fields
ScalarFieldType *dualNodalVolume = meta_data.get_field<ScalarFieldType>(stk::topology::NODE_RANK, "dual_nodal_volume");
VectorFieldType *coordinates = meta_data.get_field<VectorFieldType>(stk::topology::NODE_RANK, realm_.get_coordinates_name());
// nodal fields to gather; gather everything other than what we are assembling
std::vector<double> ws_vectorQ;
std::vector<double> ws_dualVolume;
std::vector<double> ws_coordinates;
// geometry related to populate
std::vector<double> ws_scs_areav;
std::vector<double> ws_shape_function;
// ip data
std::vector<double>qIp(nDim);
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& elem_buckets =
realm_.get_buckets( stk::topology::ELEMENT_RANK, s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = elem_buckets.begin();
ib != elem_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
const stk::mesh::Bucket::size_type length = b.size();
// extract master element
MasterElement *meSCS = realm_.get_surface_master_element(b.topology());
// extract master element specifics
const int nodesPerElement = meSCS->nodesPerElement_;
const int numScsIp = meSCS->numIntPoints_;
const int *lrscv = meSCS->adjacentNodes();
// algorithm related
ws_vectorQ.resize(nodesPerElement*nDim);
ws_dualVolume.resize(nodesPerElement);
ws_coordinates.resize(nodesPerElement*nDim);
ws_scs_areav.resize(numScsIp*nDim);
ws_shape_function.resize(numScsIp*nodesPerElement);
// pointers.
double *p_vectorQ = &ws_vectorQ[0];
double *p_dualVolume = &ws_dualVolume[0];
double *p_coordinates = &ws_coordinates[0];
double *p_scs_areav = &ws_scs_areav[0];
double *p_shape_function = &ws_shape_function[0];
if ( useShifted_ )
meSCS->shifted_shape_fcn(&p_shape_function[0]);
else
meSCS->shape_fcn(&p_shape_function[0]);
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
//===============================================
// gather nodal data; this is how we do it now..
//===============================================
stk::mesh::Entity const * node_rels = b.begin_nodes(k);
int num_nodes = b.num_nodes(k);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
// note: we absolutely need to gather coords since it
// is required to compute the area vector. however,
// ws_scalarQ and ws_dualVolume are choices to avoid
// field data call for interpolation
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = node_rels[ni];
// pointers to real data
double * coords = stk::mesh::field_data(*coordinates, node);
double * vectorQ = stk::mesh::field_data(*vectorQ_, node);
// gather scalars
p_dualVolume[ni] = *stk::mesh::field_data(*dualNodalVolume, node);
// gather vectors
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_coordinates[offSet+j] = coords[j];
p_vectorQ[offSet+j] = vectorQ[j];
}
}
// compute geometry
double scs_error = 0.0;
meSCS->determinant(1, &p_coordinates[0], &p_scs_areav[0], &scs_error);
// start assembly
for ( int ip = 0; ip < numScsIp; ++ip ) {
// left and right nodes for this ip
const int il = lrscv[2*ip];
const int ir = lrscv[2*ip+1];
stk::mesh::Entity nodeL = node_rels[il];
stk::mesh::Entity nodeR = node_rels[ir];
// pointer to fields to assemble
double *gradQL = stk::mesh::field_data(*dqdx_, nodeL);
double *gradQR = stk::mesh::field_data(*dqdx_, nodeR);
// interpolate to scs point; operate on saved off ws_field
for (int j=0; j < nDim; ++j )
qIp[j] = 0.0;
const int offSet = ip*nodesPerElement;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function[offSet+ic];
for ( int j = 0; j < nDim; ++j ) {
qIp[j] += r*p_vectorQ[ic*nDim+j];
}
}
// left and right volume
double inv_volL = 1.0/p_dualVolume[il];
double inv_volR = 1.0/p_dualVolume[ir];
// assemble to il/ir
for ( int i = 0; i < nDim; ++i ) {
const int row_gradQ = i*nDim;
const double qip = qIp[i];
for ( int j = 0; j < nDim; ++j ) {
double fac = qip*p_scs_areav[ip*nDim+j];
gradQL[row_gradQ+j] += fac*inv_volL;
gradQR[row_gradQ+j] -= fac*inv_volR;
}
}
}
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleHeatCondIrradWallSolverAlgorithm::execute()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
const double sigma = realm_.get_stefan_boltzmann();
// space for LHS/RHS; nodesPerFace*nodesPerFace and nodesPerFace
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<stk::mesh::Entity> connected_nodes;
// nodal fields to gather
std::vector<double> ws_irradiation;
std::vector<double> ws_emissivity;
std::vector<double> ws_temperature;
// geometry related to populate
std::vector<double> ws_shape_function;
// setup for buckets; union parts and ask for locally owned
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// extract master element specifics
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = meFC->nodesPerElement_;
const int numScsIp = meFC->numIntPoints_;
// resize some things; matrix related
const int lhsSize = nodesPerFace*nodesPerFace;
const int rhsSize = nodesPerFace;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
connected_nodes.resize(nodesPerFace);
// algorithm related
ws_irradiation.resize(nodesPerFace);
ws_emissivity.resize(nodesPerFace);
ws_temperature.resize(nodesPerFace);
ws_shape_function.resize(numScsIp*nodesPerFace);
// pointers
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_irradiation = &ws_irradiation[0];
double *p_emissivity = &ws_emissivity[0];
double *p_temperature = &ws_temperature[0];
double *p_shape_function = &ws_shape_function[0];
if ( useShifted_ )
meFC->shifted_shape_fcn(&p_shape_function[0]);
else
meFC->shape_fcn(&p_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
// face data
double * areaVec = stk::mesh::field_data(*exposedAreaVec_, b, k);
// face node relations for nodal gather
stk::mesh::Entity const * face_node_rels = b.begin_nodes(k);
int num_nodes = b.num_nodes(k);
for ( int ni = 0; ni < num_nodes; ++ni ) {
// get the node and form connected_node
stk::mesh::Entity node = face_node_rels[ni];
connected_nodes[ni] = node;
// gather scalar
p_irradiation[ni] = *stk::mesh::field_data(*irradiation_, node);
p_emissivity[ni] = *stk::mesh::field_data(*emissivity_, node);
p_temperature[ni] = *stk::mesh::field_data(*temperature_, node);
}
// start the assembly
for ( int ip = 0; ip < numScsIp; ++ip ) {
double magA = 0.0;
for ( int j=0; j < nDim; ++j ) {
magA += areaVec[ip*nDim+j]*areaVec[ip*nDim+j];
}
magA = std::sqrt(magA);
const int nn = ip;
const int offSet = ip*nodesPerFace;
// form boundary ip values
double irradiationBip = 0.0;
double emissivityBip = 0.0;
double tBip = 0.0;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_shape_function[offSet+ic];
irradiationBip += r*p_irradiation[ic];
emissivityBip += r*p_emissivity[ic];
tBip += r*p_temperature[ic];
}
// form rhs contribution
const double radiation = emissivityBip*(irradiationBip - sigma*std::pow(tBip,4))*magA;
p_rhs[nn] += radiation;
// sensitivities
const int rowR = nn*nodesPerFace;
const double lhsFac = 4.0*sigma*emissivityBip*magA*std::pow(tBip,3);
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_shape_function[offSet+ic];
p_lhs[rowR+ic] += r*lhsFac;
}
}
apply_coeff(connected_nodes, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleScalarElemSolverAlgorithm::execute()
{
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
const double small = 1.0e-16;
// extract user advection options (allow to potentially change over time)
const std::string dofName = scalarQ_->name();
const double hybridFactor = realm_.get_hybrid_factor(dofName);
const double alpha = realm_.get_alpha_factor(dofName);
const double alphaUpw = realm_.get_alpha_upw_factor(dofName);
const double hoUpwind = realm_.get_upw_factor(dofName);
const bool useLimiter = realm_.primitive_uses_limiter(dofName);
// one minus flavor..
const double om_alpha = 1.0-alpha;
const double om_alphaUpw = 1.0-alphaUpw;
// space for LHS/RHS; nodesPerElem*nodesPerElem* and nodesPerElem
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<stk::mesh::Entity> connected_nodes;
// supplemental algorithm size and setup
const size_t supplementalAlgSize = supplementalAlg_.size();
for ( size_t i = 0; i < supplementalAlgSize; ++i )
supplementalAlg_[i]->setup();
// nodal fields to gather
std::vector<double> ws_velocityNp1;
std::vector<double> ws_meshVelocity;
std::vector<double> ws_vrtm;
std::vector<double> ws_coordinates;
std::vector<double> ws_scalarQNp1;
std::vector<double> ws_dqdx;
std::vector<double> ws_density;
std::vector<double> ws_diffFluxCoeff;
// geometry related to populate
std::vector<double> ws_scs_areav;
std::vector<double> ws_dndx;
std::vector<double> ws_deriv;
std::vector<double> ws_det_j;
std::vector<double> ws_shape_function;
// ip values
std::vector<double>coordIp(nDim);
// pointers
double *p_coordIp = &coordIp[0];
// deal with state
ScalarFieldType &scalarQNp1 = scalarQ_->field_of_state(stk::mesh::StateNP1);
VectorFieldType &velocityNp1 = velocity_->field_of_state(stk::mesh::StateNP1);
ScalarFieldType &densityNp1 = density_->field_of_state(stk::mesh::StateNP1);
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& elem_buckets =
realm_.get_buckets( stk::topology::ELEMENT_RANK, s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = elem_buckets.begin();
ib != elem_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
const stk::mesh::Bucket::size_type length = b.size();
// extract master element
MasterElement *meSCS = realm_.get_surface_master_element(b.topology());
// extract master element specifics
const int nodesPerElement = meSCS->nodesPerElement_;
const int numScsIp = meSCS->numIntPoints_;
const int *lrscv = meSCS->adjacentNodes();
// resize some things; matrix related
const int lhsSize = nodesPerElement*nodesPerElement;
const int rhsSize = nodesPerElement;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
connected_nodes.resize(nodesPerElement);
// algorithm related
ws_velocityNp1.resize(nodesPerElement*nDim);
ws_meshVelocity.resize(nodesPerElement*nDim);
ws_vrtm.resize(nodesPerElement*nDim);
ws_coordinates.resize(nodesPerElement*nDim);
ws_dqdx.resize(nodesPerElement*nDim);
ws_scalarQNp1.resize(nodesPerElement);
ws_density.resize(nodesPerElement);
ws_diffFluxCoeff.resize(nodesPerElement);
ws_scs_areav.resize(numScsIp*nDim);
ws_dndx.resize(nDim*numScsIp*nodesPerElement);
ws_deriv.resize(nDim*numScsIp*nodesPerElement);
ws_det_j.resize(numScsIp);
ws_shape_function.resize(numScsIp*nodesPerElement);
// pointer to lhs/rhs
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_velocityNp1 = &ws_velocityNp1[0];
double *p_meshVelocity = &ws_meshVelocity[0];
double *p_vrtm = &ws_vrtm[0];
double *p_coordinates = &ws_coordinates[0];
double *p_dqdx = &ws_dqdx[0];
double *p_scalarQNp1 = &ws_scalarQNp1[0];
double *p_density = &ws_density[0];
double *p_diffFluxCoeff = &ws_diffFluxCoeff[0];
double *p_scs_areav = &ws_scs_areav[0];
double *p_dndx = &ws_dndx[0];
double *p_shape_function = &ws_shape_function[0];
// extract shape function
meSCS->shape_fcn(&p_shape_function[0]);
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// get elem
stk::mesh::Entity elem = b[k];
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
// ip data for this element; scs and scv
const double *mdot = stk::mesh::field_data(*massFlowRate_, elem );
//===============================================
// gather nodal data; this is how we do it now..
//===============================================
stk::mesh::Entity const * node_rels = bulk_data.begin_nodes(elem);
int num_nodes = bulk_data.num_nodes(elem);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = node_rels[ni];
// set connected nodes
connected_nodes[ni] = node;
// pointers to real data
const double * uNp1 = stk::mesh::field_data(velocityNp1, node );
const double * vNp1 = stk::mesh::field_data(*meshVelocity_, node);
const double * coords = stk::mesh::field_data(*coordinates_, node );
const double * dq = stk::mesh::field_data(*dqdx_, node );
// gather scalars
p_scalarQNp1[ni] = *stk::mesh::field_data(scalarQNp1, node );
p_density[ni] = *stk::mesh::field_data(densityNp1, node );
p_diffFluxCoeff[ni] = *stk::mesh::field_data(*diffFluxCoeff_, node );
// gather vectors
const int niNdim = ni*nDim;
for ( int i=0; i < nDim; ++i ) {
p_velocityNp1[niNdim+i] = uNp1[i];
p_vrtm[niNdim+i] = uNp1[i];
p_meshVelocity[niNdim+i] = vNp1[i];
p_coordinates[niNdim+i] = coords[i];
p_dqdx[niNdim+i] = dq[i];
}
}
// compute geometry
double scs_error = 0.0;
meSCS->determinant(1, &p_coordinates[0], &p_scs_areav[0], &scs_error);
// compute dndx
meSCS->grad_op(1, &p_coordinates[0], &p_dndx[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
// manage velocity relative to mesh
if ( meshMotion_ ) {
const int kSize = num_nodes*nDim;
for ( int k = 0; k < kSize; ++k ) {
p_vrtm[k] -= p_meshVelocity[k];
}
}
for ( int ip = 0; ip < numScsIp; ++ip ) {
// left and right nodes for this ip
const int il = lrscv[2*ip];
const int ir = lrscv[2*ip+1];
// corresponding matrix rows
const int rowL = il*nodesPerElement;
const int rowR = ir*nodesPerElement;
// save off mdot
const double tmdot = mdot[ip];
// zero out values of interest for this ip
for ( int j = 0; j < nDim; ++j ) {
p_coordIp[j] = 0.0;
}
// save off ip values; offset to Shape Function
double rhoIp = 0.0;
double muIp = 0.0;
double qIp = 0.0;
const int offSetSF = ip*nodesPerElement;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function[offSetSF+ic];
rhoIp += r*p_density[ic];
muIp += r*p_diffFluxCoeff[ic];
qIp += r*p_scalarQNp1[ic];
// compute scs point values
for ( int i = 0; i < nDim; ++i ) {
p_coordIp[i] += r*p_coordinates[ic*nDim+i];
}
}
// Peclet factor; along the edge
const double diffIp = 0.5*(p_diffFluxCoeff[il]/p_density[il]
+ p_diffFluxCoeff[ir]/p_density[ir]);
double udotx = 0.0;
for(int j = 0; j < nDim; ++j ) {
const double dxj = p_coordinates[ir*nDim+j]-p_coordinates[il*nDim+j];
const double uj = 0.5*(p_vrtm[il*nDim+j] + p_vrtm[ir*nDim+j]);
udotx += uj*dxj;
}
double pecfac = hybridFactor*udotx/(diffIp+small);
pecfac = pecfac*pecfac/(5.0 + pecfac*pecfac);
const double om_pecfac = 1.0-pecfac;
// left and right extrapolation
double dqL = 0.0;
double dqR = 0.0;
for(int j = 0; j < nDim; ++j ) {
const double dxjL = p_coordIp[j] - p_coordinates[il*nDim+j];
const double dxjR = p_coordinates[ir*nDim+j] - p_coordIp[j];
dqL += dxjL*p_dqdx[nDim*il+j];
dqR += dxjR*p_dqdx[nDim*ir+j];
}
// add limiter if appropriate
double limitL = 1.0;
double limitR = 1.0;
if ( useLimiter ) {
const double dq = p_scalarQNp1[ir] - p_scalarQNp1[il];
const double dqMl = 2.0*2.0*dqL - dq;
const double dqMr = 2.0*2.0*dqR - dq;
limitL = van_leer(dqMl, dq, small);
limitR = van_leer(dqMr, dq, small);
}
// extrapolated; for now limit (along edge is fine)
const double qIpL = p_scalarQNp1[il] + dqL*hoUpwind*limitL;
const double qIpR = p_scalarQNp1[ir] - dqR*hoUpwind*limitR;
// assemble advection; rhs and upwind contributions
// 2nd order central; simply qIp from above
// upwind
const double qUpwind = (tmdot > 0) ? alphaUpw*qIpL + om_alphaUpw*qIp
: alphaUpw*qIpR + om_alphaUpw*qIp;
// generalized central (2nd and 4th order)
const double qHatL = alpha*qIpL + om_alpha*qIp;
const double qHatR = alpha*qIpR + om_alpha*qIp;
const double qCds = 0.5*(qHatL + qHatR);
// total advection
const double aflux = tmdot*(pecfac*qUpwind + om_pecfac*qCds);
// right hand side; L and R
p_rhs[il] -= aflux;
p_rhs[ir] += aflux;
// advection operator sens; all but central
// upwind advection (includes 4th); left node
const double alhsfacL = 0.5*(tmdot+std::abs(tmdot))*pecfac*alphaUpw
+ 0.5*alpha*om_pecfac*tmdot;
p_lhs[rowL+il] += alhsfacL;
p_lhs[rowR+il] -= alhsfacL;
// upwind advection; right node
const double alhsfacR = 0.5*(tmdot-std::abs(tmdot))*pecfac*alphaUpw
+ 0.5*alpha*om_pecfac*tmdot;
p_lhs[rowR+ir] -= alhsfacR;
p_lhs[rowL+ir] += alhsfacR;
double qDiff = 0.0;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
// shape function
const double r = p_shape_function[offSetSF+ic];
// upwind (il/ir) handled above; collect terms on alpha and alphaUpw
const double lhsfacAdv = r*tmdot*(pecfac*om_alphaUpw + om_pecfac*om_alpha);
// advection operator lhs; rhs handled above
// lhs; il then ir
p_lhs[rowL+ic] += lhsfacAdv;
p_lhs[rowR+ic] -= lhsfacAdv;
// diffusion
double lhsfacDiff = 0.0;
const int offSetDnDx = nDim*nodesPerElement*ip + ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
lhsfacDiff += -muIp*p_dndx[offSetDnDx+j]*p_scs_areav[ip*nDim+j];
}
qDiff += lhsfacDiff*p_scalarQNp1[ic];
// lhs; il then ir
p_lhs[rowL+ic] += lhsfacDiff;
p_lhs[rowR+ic] -= lhsfacDiff;
}
// rhs; il then ir
p_rhs[il] -= qDiff;
p_rhs[ir] += qDiff;
}
// call supplemental
for ( size_t i = 0; i < supplementalAlgSize; ++i )
supplementalAlg_[i]->elem_execute( nodesPerElement, numScsIp, &lhs[0], &rhs[0], elem);
apply_coeff(connected_nodes, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
SurfaceForceAndMomentWallFunctionAlgorithm::execute()
{
// check to see if this is a valid step to process output file
const int timeStepCount = realm_.get_time_step_count();
const bool processMe = (timeStepCount % frequency_) == 0 ? true : false;
// do not waste time here
if ( !processMe )
return;
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// set min and max values
double yplusMin = 1.0e8;
double yplusMax = -1.0e8;
// bip values
std::vector<double> uBip(nDim);
std::vector<double> uBcBip(nDim);
std::vector<double> unitNormal(nDim);
// tangential work array
std::vector<double> uiTangential(nDim);
std::vector<double> uiBcTangential(nDim);
// pointers to fixed values
double *p_uBip = &uBip[0];
double *p_uBcBip = &uBcBip[0];
double *p_unitNormal= &unitNormal[0];
double *p_uiTangential = &uiTangential[0];
double *p_uiBcTangential = &uiBcTangential[0];
// nodal fields to gather
std::vector<double> ws_velocityNp1;
std::vector<double> ws_bcVelocity;
std::vector<double> ws_pressure;
std::vector<double> ws_density;
std::vector<double> ws_viscosity;
// master element
std::vector<double> ws_face_shape_function;
// deal with state
VectorFieldType &velocityNp1 = velocity_->field_of_state(stk::mesh::StateNP1);
ScalarFieldType &densityNp1 = density_->field_of_state(stk::mesh::StateNP1);
const double currentTime = realm_.get_current_time();
// local force and MomentWallFunction; i.e., to be assembled
double l_force_moment[9] = {};
// work force, MomentWallFunction and radius; i.e., to be pused to cross_product()
double ws_p_force[3] = {};
double ws_v_force[3] = {};
double ws_t_force[3] = {};
double ws_moment[3] = {};
double ws_radius[3] = {};
// centroid
double centroid[3] = {};
for ( size_t k = 0; k < parameters_.size(); ++k)
centroid[k] = parameters_[k];
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = meFC->nodesPerElement_;
// algorithm related; element
ws_velocityNp1.resize(nodesPerFace*nDim);
ws_bcVelocity.resize(nodesPerFace*nDim);
ws_pressure.resize(nodesPerFace);
ws_density.resize(nodesPerFace);
ws_viscosity.resize(nodesPerFace);
ws_face_shape_function.resize(nodesPerFace*nodesPerFace);
// pointers
double *p_velocityNp1 = &ws_velocityNp1[0];
double *p_bcVelocity = &ws_bcVelocity[0];
double *p_pressure = &ws_pressure[0];
double *p_density = &ws_density[0];
double *p_viscosity = &ws_viscosity[0];
double *p_face_shape_function = &ws_face_shape_function[0];
// shape functions
if ( useShifted_ )
meFC->shifted_shape_fcn(&p_face_shape_function[0]);
else
meFC->shape_fcn(&p_face_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// get face
stk::mesh::Entity face = b[k];
// face node relations
stk::mesh::Entity const * face_node_rels = bulk_data.begin_nodes(face);
//======================================
// gather nodal data off of face
//======================================
for ( int ni = 0; ni < nodesPerFace; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
// gather scalars
p_pressure[ni] = *stk::mesh::field_data(*pressure_, node);
p_density[ni] = *stk::mesh::field_data(densityNp1, node);
p_viscosity[ni] = *stk::mesh::field_data(*viscosity_, node);
// gather vectors
double * uNp1 = stk::mesh::field_data(velocityNp1, node);
double * uBc = stk::mesh::field_data(*bcVelocity_, node);
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_velocityNp1[offSet+j] = uNp1[j];
p_bcVelocity[offSet+j] = uBc[j];
}
}
// pointer to face data
const double * areaVec = stk::mesh::field_data(*exposedAreaVec_, face);
const double *wallNormalDistanceBip = stk::mesh::field_data(*wallNormalDistanceBip_, face);
const double *wallFrictionVelocityBip = stk::mesh::field_data(*wallFrictionVelocityBip_, face);
for ( int ip = 0; ip < nodesPerFace; ++ip ) {
// offsets
const int offSetAveraVec = ip*nDim;
const int offSetSF_face = ip*nodesPerFace;
// zero out vector quantities; squeeze in aMag
double aMag = 0.0;
for ( int j = 0; j < nDim; ++j ) {
p_uBip[j] = 0.0;
p_uBcBip[j] = 0.0;
const double axj = areaVec[offSetAveraVec+j];
aMag += axj*axj;
}
aMag = std::sqrt(aMag);
// interpolate to bip
double pBip = 0.0;
double rhoBip = 0.0;
double muBip = 0.0;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
pBip += r*p_pressure[ic];
rhoBip += r*p_density[ic];
muBip += r*p_viscosity[ic];
const int offSetFN = ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
p_uBip[j] += r*p_velocityNp1[offSetFN+j];
p_uBcBip[j] += r*p_bcVelocity[offSetFN+j];
}
}
// form unit normal
for ( int j = 0; j < nDim; ++j ) {
p_unitNormal[j] = areaVec[offSetAveraVec+j]/aMag;
}
// determine tangential velocity
double uTangential = 0.0;
for ( int i = 0; i < nDim; ++i ) {
double uiTan = 0.0;
double uiBcTan = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double ninj = p_unitNormal[i]*p_unitNormal[j];
if ( i==j ) {
const double om_nini = 1.0 - ninj;
uiTan += om_nini*p_uBip[j];
uiBcTan += om_nini*p_uBcBip[j];
}
else {
uiTan -= ninj*p_uBip[j];
uiBcTan -= ninj*p_uBcBip[j];
}
}
// save off tangential components and augment magnitude
p_uiTangential[i] = uiTan;
p_uiBcTangential[i] = uiBcTan;
uTangential += (uiTan-uiBcTan)*(uiTan-uiBcTan);
}
uTangential = std::sqrt(uTangential);
// extract bip data
const double yp = wallNormalDistanceBip[ip];
const double utau= wallFrictionVelocityBip[ip];
// determine yplus
const double yplusBip = rhoBip*yp*utau/muBip;
// min and max
yplusMin = std::min(yplusMin, yplusBip);
yplusMax = std::max(yplusMax, yplusBip);
double lambda = muBip/yp*aMag;
if ( yplusBip > yplusCrit_)
lambda = rhoBip*kappa_*utau/std::log(elog_*yplusBip)*aMag;
// extract nodal fields
stk::mesh::Entity node = face_node_rels[ip];
const double * coord = stk::mesh::field_data(*coordinates_, node );
double *pressureForce = stk::mesh::field_data(*pressureForce_, node );
double *tauWall = stk::mesh::field_data(*tauWall_, node );
double *yplus = stk::mesh::field_data(*yplus_, node );
const double assembledArea = *stk::mesh::field_data(*assembledArea_, node );
// load radius; assemble force -sigma_ij*njdS
double uParallel = 0.0;
for ( int i = 0; i < nDim; ++i ) {
const double ai = areaVec[offSetAveraVec+i];
ws_radius[i] = coord[i] - centroid[i];
const double uDiff = p_uiTangential[i] - p_uiBcTangential[i];
ws_p_force[i] = pBip*ai;
ws_v_force[i] = lambda*uDiff;
ws_t_force[i] = ws_p_force[i] + ws_v_force[i];
pressureForce[i] += ws_p_force[i];;
uParallel += uDiff*uDiff;
}
cross_product(&ws_t_force[0], &ws_moment[0], &ws_radius[0]);
// assemble for and moment
for ( int j = 0; j < 3; ++j ) {
l_force_moment[j] += ws_p_force[j];
l_force_moment[j+3] += ws_v_force[j];
l_force_moment[j+6] += ws_moment[j];
}
// assemble tauWall; area weighting is hiding in lambda/assembledArea
*tauWall += lambda*std::sqrt(uParallel)/assembledArea;
// deal with yplus
*yplus += yplusBip*aMag/assembledArea;
}
}
}
if ( processMe ) {
// parallel assemble and output
double g_force_moment[9] = {};
stk::ParallelMachine comm = NaluEnv::self().parallel_comm();
// Parallel assembly of L2
stk::all_reduce_sum(comm, &l_force_moment[0], &g_force_moment[0], 9);
// min/max
double g_yplusMin = 0.0, g_yplusMax = 0.0;
stk::all_reduce_min(comm, &yplusMin, &g_yplusMin, 1);
stk::all_reduce_max(comm, &yplusMax, &g_yplusMax, 1);
// deal with file name and banner
if ( NaluEnv::self().parallel_rank() == 0 ) {
std::ofstream myfile;
myfile.open(outputFileName_.c_str(), std::ios_base::app);
myfile << std::setprecision(6)
<< std::setw(w_)
<< currentTime << std::setw(w_)
<< g_force_moment[0] << std::setw(w_) << g_force_moment[1] << std::setw(w_) << g_force_moment[2] << std::setw(w_)
<< g_force_moment[3] << std::setw(w_) << g_force_moment[4] << std::setw(w_) << g_force_moment[5] << std::setw(w_)
<< g_force_moment[6] << std::setw(w_) << g_force_moment[7] << std::setw(w_) << g_force_moment[8] << std::setw(w_)
<< g_yplusMin << std::setw(w_) << g_yplusMax << std::endl;
myfile.close();
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssemblePressureForceBCSolverAlgorithm::execute()
{
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// space for LHS/RHS; nodesPerElem*nDim*nodesPerElem*nDim and nodesPerElem*nDim
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<stk::mesh::Entity> connected_nodes;
// nodal fields to gather
std::vector<double> ws_face_coordinates;
std::vector<double> ws_bcScalarQ;
// master element
std::vector<double> ws_face_shape_function;
// define vector of parent topos; should always be UNITY in size
std::vector<stk::topology> parentTopo;
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// extract connected element topology
b.parent_topology(stk::topology::ELEMENT_RANK, parentTopo);
ThrowAssert ( parentTopo.size() == 1 );
stk::topology theElemTopo = parentTopo[0];
// volume master element
MasterElement *meSCS = realm_.get_surface_master_element(theElemTopo);
const int nodesPerElement = meSCS->nodesPerElement_;
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = meFC->nodesPerElement_;
std::vector<int> face_node_ordinal_vec(nodesPerFace);
// resize some things; matrix related
const int lhsSize = nodesPerElement*nDim*nodesPerElement*nDim;
const int rhsSize = nodesPerElement*nDim;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
connected_nodes.resize(nodesPerElement);
// algorithm related; element
ws_face_coordinates.resize(nodesPerFace*nDim);
ws_bcScalarQ.resize(nodesPerFace);
ws_face_shape_function.resize(nodesPerFace*nodesPerFace);
// pointers
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_face_coordinates = &ws_face_coordinates[0];
double *p_bcScalarQ = &ws_bcScalarQ[0];
double *p_face_shape_function = &ws_face_shape_function[0];
// shape functions
if (use_shifted_integration_)
{
meFC->shifted_shape_fcn(&p_face_shape_function[0]);
}
else{
meFC->shape_fcn(&p_face_shape_function[0]);
}
const size_t length = b.size();
for ( size_t k = 0 ; k < length ; ++k ) {
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
// get face
stk::mesh::Entity face = b[k];
//======================================
// gather nodal data off of face
//======================================
stk::mesh::Entity const * face_node_rels = bulk_data .begin_nodes(face);
int num_face_nodes = bulk_data.num_nodes(face);
// sanity check on num nodes
ThrowAssert( num_face_nodes == nodesPerFace );
for ( int ni = 0; ni < num_face_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
p_bcScalarQ[ni] = *stk::mesh::field_data(*bcScalarQ_, node);
// gather vectors
double * coords = stk::mesh::field_data(*coordinates_, node);
const int offSet = ni*nDim;
for ( int i=0; i < nDim; ++i ) {
p_face_coordinates[offSet+i] = coords[i];
}
}
// extract the connected element to this exposed face; should be single in size!
const stk::mesh::Entity* face_elem_rels = bulk_data.begin_elements(face);
ThrowAssert( bulk_data.num_elements(face) == 1 );
// get element; its face ordinal number and populate face_node_ordinal_vec
stk::mesh::Entity element = face_elem_rels[0];
const int face_ordinal = bulk_data.begin_element_ordinals(face)[0];
theElemTopo.side_node_ordinals(face_ordinal, face_node_ordinal_vec.begin());
//==========================================
// gather nodal data off of element; n/a
//==========================================
stk::mesh::Entity const * elem_node_rels = bulk_data.begin_nodes(element);
int num_nodes = bulk_data.num_nodes(element);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = elem_node_rels[ni];
// set connected nodes
connected_nodes[ni] = node;
}
// pointer to face data
double * areaVec = stk::mesh::field_data(*exposedAreaVec_, face);
// loop over face nodes
for ( int ip = 0; ip < num_face_nodes; ++ip ) {
const int nearestNode = face_node_ordinal_vec[ip];
const int offSetSF_face = ip*nodesPerFace;
// interpolate to bip
double fluxBip = 0.0;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
fluxBip += r*p_bcScalarQ[ic];
}
// assemble for each of the ith component
for ( int i = 0; i < nDim; ++i ) {
const int indexR = nearestNode*nDim + i;
p_rhs[indexR] -= fluxBip*areaVec[ip*nDim+i];
// RHS only, no need to populate LHS (is zeroed out)
}
}
apply_coeff(connected_nodes, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleRadTransElemSolverAlgorithm::execute()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// use edge-based length scale
const bool useEdgeH = true;
// extract current ordinate direction
std::vector<double> Sk(nDim,0.0);
radEqSystem_->get_current_ordinate(&Sk[0]);
const double *p_Sk = &Sk[0];
intensity_ = radEqSystem_->get_intensity();
const double invPi = 1.0/(std::acos(-1.0));
// space for LHS/RHS; nodesPerElem*nodesPerElem and nodesPerElem
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<stk::mesh::Entity> connected_nodes;
// nodal fields to gather
std::vector<double> ws_coordinates;
std::vector<double> ws_intensity;
std::vector<double> ws_absorption;
std::vector<double> ws_scattering;
std::vector<double> ws_scalarFlux;
std::vector<double> ws_radiationSource;
std::vector<double> ws_dualVolume;
// geometry related to populate
std::vector<double> ws_scs_areav;
std::vector<double> ws_dndx;
std::vector<double> ws_deriv;
std::vector<double> ws_det_j;
std::vector<double> ws_shape_function;
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& elem_buckets =
realm_.get_buckets( stk::topology::ELEMENT_RANK, s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = elem_buckets.begin();
ib != elem_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
const size_t length = b.size();
// extract master element
MasterElement *meSCS = realm_.get_surface_master_element(b.topology());
// extract master element specifics
const int nodesPerElement = meSCS->nodesPerElement_;
const int numScsIp = meSCS->numIntPoints_;
const int *lrscv = meSCS->adjacentNodes();
// resize some things; matrix related
const int lhsSize = nodesPerElement*nodesPerElement;
const int rhsSize = nodesPerElement;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
connected_nodes.resize(nodesPerElement);
// algorithm related
ws_coordinates.resize(nodesPerElement*nDim);
ws_intensity.resize(nodesPerElement);
ws_absorption.resize(nodesPerElement);
ws_scattering.resize(nodesPerElement);
ws_scalarFlux.resize(nodesPerElement);
ws_radiationSource.resize(nodesPerElement);
ws_dualVolume.resize(nodesPerElement);
ws_scs_areav.resize(numScsIp*nDim);
ws_dndx.resize(nDim*numScsIp*nodesPerElement);
ws_deriv.resize(nDim*numScsIp*nodesPerElement);
ws_det_j.resize(numScsIp);
ws_shape_function.resize(numScsIp*nodesPerElement);
// pointers
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_coordinates = &ws_coordinates[0];
double *p_intensity = &ws_intensity[0];
double *p_absorption = &ws_absorption[0];
double *p_scattering = &ws_scattering[0];
double *p_scalarFlux = &ws_scalarFlux[0];
double *p_radiationSource = &ws_radiationSource[0];
double *p_dualVolume = &ws_dualVolume[0];
double *p_scs_areav = &ws_scs_areav[0];
double *p_dndx = &ws_dndx[0];
double *p_shape_function = &ws_shape_function[0];
meSCS->shape_fcn(&p_shape_function[0]);
for ( size_t k = 0 ; k < length ; ++k ) {
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
// get elem and its node relations
unsigned elem_offset = k;
//===============================================
// gather nodal data; this is how we do it now..
//===============================================
stk::mesh::Entity const * node_rels = b.begin_nodes(elem_offset);
int num_nodes = b.num_nodes(elem_offset);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = node_rels[ni];
// set connected nodes
connected_nodes[ni] = node;
// pointers to real data
const double * coords = stk::mesh::field_data(*coordinates_, node);
// gather scalars
p_intensity[ni] = *stk::mesh::field_data(*intensity_, node);
p_absorption[ni] = *stk::mesh::field_data(*absorption_, node );
p_scattering[ni] = *stk::mesh::field_data(*scattering_, node );
p_scalarFlux[ni] = *stk::mesh::field_data(*scalarFlux_, node );
p_radiationSource[ni] = *stk::mesh::field_data(*radiationSource_, node );
p_dualVolume[ni] = *stk::mesh::field_data(*dualNodalVolume_, node );
// gather vectors
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_coordinates[offSet+j] = coords[j];
}
}
// compute geometry
double scs_error = 0.0;
meSCS->determinant(1, &p_coordinates[0], &p_scs_areav[0], &scs_error);
// compute dndx
meSCS->grad_op(1, &p_coordinates[0], &p_dndx[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
for ( int ip = 0; ip < numScsIp; ++ip ) {
// left and right nodes for this ip
const int il = lrscv[2*ip];
const int ir = lrscv[2*ip+1];
// corresponding matrix rows
int rowL = il*nodesPerElement;
int rowR = ir*nodesPerElement;
// form sj*njdS (part of the lhs for central term; I*sj*njdS)
double sjaj = 0.0;
double asq = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double aj = p_scs_areav[ip*nDim+j];
sjaj += p_Sk[j]*aj;
asq += aj*aj;
}
const double aMag = std::sqrt(asq);
// integration point interpolation
double Iscs = 0.0;
double extCoeffscs = 0.0;
double ePscs = 0.0;
double isotropicScatterscs = 0.0;
double dualNodalVscs = 0.0;
const int offSet = ip*nodesPerElement;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function[offSet+ic];
// save of some variables
const double I = p_intensity[ic];
const double mua = p_absorption[ic];
const double mus = p_scattering[ic];
// interpolation to scs
Iscs += r*I;
extCoeffscs += r*(mua+mus);
ePscs += r*p_radiationSource[ic];
isotropicScatterscs += r*mus*p_scalarFlux[ic]/4.0*invPi;
dualNodalVscs += r*p_dualVolume[ic];
// assemble I*sj*njdS to lhs; left/right
p_lhs[rowL+ic] += sjaj*r;
p_lhs[rowR+ic] -= sjaj*r;
}
// rhs residual for I*sj*njdS
p_rhs[il] -= Iscs*sjaj;
p_rhs[ir] += Iscs*sjaj;
// now work on SUCV stabilization terms; needed tau, hence second ic loop
double h_edge = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double nj = p_scs_areav[ip*nDim+j]/aMag;
const double dxj = p_coordinates[ir*nDim+j]-p_coordinates[il*nDim+j];
h_edge += nj*dxj;
}
// alternative h
const double h_vol = std::pow(dualNodalVscs, 1.0/(double)nDim);
// form tau
const double h = (useEdgeH) ? h_edge : h_vol;
const double tau = std::sqrt(1.0/((2.0/h)*(2.0/h) + extCoeffscs*extCoeffscs));
double sidIdxi = 0.0;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function[offSet+ic];
// save of some variables
const double I = p_intensity[ic];
// SUCV -tau*sj*aj*(mua+mus)*I term; left/right (residual below)
p_lhs[rowL+ic] += -tau*sjaj*r*extCoeffscs;
p_lhs[rowR+ic] -= -tau*sjaj*r*extCoeffscs;
// SUCV diffusion-like term; -tau*si*dI/dxi*sjaj (residual below)
double lhsfac = 0.0;
const int offSetDnDx = nDim*nodesPerElement*ip + ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
const double sjdNj = p_Sk[j]*p_dndx[offSetDnDx+j];
sidIdxi += sjdNj*I;
lhsfac += -sjdNj;
}
p_lhs[rowL+ic] += tau*sjaj*lhsfac;
p_lhs[rowR+ic] -= tau*sjaj*lhsfac;
}
// full sucv residual
const double residual = -tau*sjaj*(sidIdxi + extCoeffscs*Iscs - ePscs - isotropicScatterscs);
// residual; left and right
p_rhs[il] -= residual;
p_rhs[ir] += residual;
}
apply_coeff(connected_nodes, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
SurfaceForceAndMomentAlgorithm::execute()
{
// check to see if this is a valid step to process output file
const int timeStepCount = realm_.get_time_step_count();
const bool processMe = (timeStepCount % frequency_) == 0 ? true : false;
// do not waste time here
if ( !processMe )
return;
// common
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// set min and max values
double yplusMin = 1.0e8;
double yplusMax = -1.0e8;
// nodal fields to gather
std::vector<double> ws_pressure;
std::vector<double> ws_density;
std::vector<double> ws_viscosity;
// master element
std::vector<double> ws_face_shape_function;
// deal with state
ScalarFieldType &densityNp1 = density_->field_of_state(stk::mesh::StateNP1);
// define vector of parent topos; should always be UNITY in size
std::vector<stk::topology> parentTopo;
const double currentTime = realm_.get_current_time();
// local force and moment; i.e., to be assembled
double l_force_moment[9] = {};
// work force, moment and radius; i.e., to be pushed to cross_product()
double ws_p_force[3] = {};
double ws_v_force[3] = {};
double ws_t_force[3] = {};
double ws_tau[3] = {};
double ws_moment[3] = {};
double ws_radius[3] = {};
// will need surface normal
double ws_normal[3] = {};
// centroid
double centroid[3] = {};
for ( size_t k = 0; k < parameters_.size(); ++k)
centroid[k] = parameters_[k];
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = meFC->nodesPerElement_;
std::vector<int> face_node_ordinal_vec(nodesPerFace);
// extract connected element topology
b.parent_topology(stk::topology::ELEMENT_RANK, parentTopo);
ThrowAssert ( parentTopo.size() == 1 );
stk::topology theElemTopo = parentTopo[0];
// extract master element for this element topo
MasterElement *meSCS = realm_.get_surface_master_element(theElemTopo);
// algorithm related; element
ws_pressure.resize(nodesPerFace);
ws_density.resize(nodesPerFace);
ws_viscosity.resize(nodesPerFace);
ws_face_shape_function.resize(nodesPerFace*nodesPerFace);
// pointers
double *p_pressure = &ws_pressure[0];
double *p_density = &ws_density[0];
double *p_viscosity = &ws_viscosity[0];
double *p_face_shape_function = &ws_face_shape_function[0];
// shape functions
if ( useShifted_ )
meFC->shifted_shape_fcn(&p_face_shape_function[0]);
else
meFC->shape_fcn(&p_face_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// get face
stk::mesh::Entity face = b[k];
// face node relations
stk::mesh::Entity const * face_node_rels = bulk_data.begin_nodes(face);
//======================================
// gather nodal data off of face
//======================================
for ( int ni = 0; ni < nodesPerFace; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
// gather scalars
p_pressure[ni] = *stk::mesh::field_data(*pressure_, node);
p_density[ni] = *stk::mesh::field_data(densityNp1, node);
p_viscosity[ni] = *stk::mesh::field_data(*viscosity_, node);
}
// pointer to face data
const double * areaVec = stk::mesh::field_data(*exposedAreaVec_, face);
// extract the connected element to this exposed face; should be single in size!
const stk::mesh::Entity* face_elem_rels = bulk_data.begin_elements(face);
ThrowAssert( bulk_data.num_elements(face) == 1 );
// get element; its face ordinal number and populate face_node_ordinal_vec
stk::mesh::Entity element = face_elem_rels[0];
const int face_ordinal = bulk_data.begin_element_ordinals(face)[0];
theElemTopo.side_node_ordinals(face_ordinal, face_node_ordinal_vec.begin());
// get the relations off of element
stk::mesh::Entity const * elem_node_rels = bulk_data.begin_nodes(element);
for ( int ip = 0; ip < nodesPerFace; ++ip ) {
// offsets
const int offSetAveraVec = ip*nDim;
const int offSetSF_face = ip*nodesPerFace;
// interpolate to bip
double pBip = 0.0;
double rhoBip = 0.0;
double muBip = 0.0;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
pBip += r*p_pressure[ic];
rhoBip += r*p_density[ic];
muBip += r*p_viscosity[ic];
}
// extract nodal fields
stk::mesh::Entity node = face_node_rels[ip];
const double * coord = stk::mesh::field_data(*coordinates_, node );
const double *duidxj = stk::mesh::field_data(*dudx_, node );
double *pressureForce = stk::mesh::field_data(*pressureForce_, node );
double *tauWall = stk::mesh::field_data(*tauWall_, node );
double *yplus = stk::mesh::field_data(*yplus_, node );
const double assembledArea = *stk::mesh::field_data(*assembledArea_, node );
// divU and aMag
double divU = 0.0;
double aMag = 0.0;
for ( int j = 0; j < nDim; ++j) {
divU += duidxj[j*nDim+j];
aMag += areaVec[offSetAveraVec+j]*areaVec[offSetAveraVec+j];
}
aMag = std::sqrt(aMag);
// normal
for ( int i = 0; i < nDim; ++i ) {
const double ai = areaVec[offSetAveraVec+i];
ws_normal[i] = ai/aMag;
}
// load radius; assemble force -sigma_ij*njdS and compute tau_ij njDs
for ( int i = 0; i < nDim; ++i ) {
const double ai = areaVec[offSetAveraVec+i];
ws_radius[i] = coord[i] - centroid[i];
// set forces
ws_v_force[i] = 2.0/3.0*muBip*divU*includeDivU_*ai;
ws_p_force[i] = pBip*ai;
pressureForce[i] += pBip*ai;
double dflux = 0.0;
double tauijNj = 0.0;
const int offSetI = nDim*i;
for ( int j = 0; j < nDim; ++j ) {
const int offSetTrans = nDim*j+i;
dflux += -muBip*(duidxj[offSetI+j] + duidxj[offSetTrans])*areaVec[offSetAveraVec+j];
tauijNj += -muBip*(duidxj[offSetI+j] + duidxj[offSetTrans])*ws_normal[j];
}
// accumulate viscous force and set tau for component i
ws_v_force[i] += dflux;
ws_tau[i] = tauijNj;
}
// compute total force and tangential tau
double tauTangential = 0.0;
for ( int i = 0; i < nDim; ++i ) {
ws_t_force[i] = ws_p_force[i] + ws_v_force[i];
double tauiTangential = (1.0-ws_normal[i]*ws_normal[i])*ws_tau[i];
for ( int j = 0; j < nDim; ++j ) {
if ( i != j )
tauiTangential -= ws_normal[i]*ws_normal[j]*ws_tau[j];
}
tauTangential += tauiTangential*tauiTangential;
}
// assemble nodal quantities; scaled by area for L2 lumped nodal projection
const double areaFac = aMag/assembledArea;
*tauWall += std::sqrt(tauTangential)*areaFac;
cross_product(&ws_t_force[0], &ws_moment[0], &ws_radius[0]);
// assemble force and moment
for ( int j = 0; j < 3; ++j ) {
l_force_moment[j] += ws_p_force[j];
l_force_moment[j+3] += ws_v_force[j];
l_force_moment[j+6] += ws_moment[j];
}
// deal with yplus
const int opposingNode = meSCS->opposingNodes(face_ordinal,ip);
const int nearestNode = face_node_ordinal_vec[ip];
// left and right nodes; right is on the face; left is the opposing node
stk::mesh::Entity nodeL = elem_node_rels[opposingNode];
stk::mesh::Entity nodeR = elem_node_rels[nearestNode];
// extract nodal fields
const double * coordL = stk::mesh::field_data(*coordinates_, nodeL );
const double * coordR = stk::mesh::field_data(*coordinates_, nodeR );
// determine yp (approximated by 1/4 distance along edge)
double ypBip = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double nj = ws_normal[j];
const double ej = 0.25*(coordR[j] - coordL[j]);
ypBip += nj*ej*nj*ej;
}
ypBip = std::sqrt(ypBip);
const double tauW = std::sqrt(tauTangential);
const double uTau = std::sqrt(tauW/rhoBip);
const double yplusBip = rhoBip*ypBip/muBip*uTau;
// nodal field
*yplus += yplusBip*areaFac;
// min and max
yplusMin = std::min(yplusMin, yplusBip);
yplusMax = std::max(yplusMax, yplusBip);
}
}
}
if ( processMe ) {
// parallel assemble and output
double g_force_moment[9] = {};
stk::ParallelMachine comm = NaluEnv::self().parallel_comm();
// Parallel assembly of L2
stk::all_reduce_sum(comm, &l_force_moment[0], &g_force_moment[0], 9);
// min/max
double g_yplusMin = 0.0, g_yplusMax = 0.0;
stk::all_reduce_min(comm, &yplusMin, &g_yplusMin, 1);
stk::all_reduce_max(comm, &yplusMax, &g_yplusMax, 1);
// deal with file name and banner
if ( NaluEnv::self().parallel_rank() == 0 ) {
std::ofstream myfile;
myfile.open(outputFileName_.c_str(), std::ios_base::app);
myfile << std::setprecision(6)
<< std::setw(w_)
<< currentTime << std::setw(w_)
<< g_force_moment[0] << std::setw(w_) << g_force_moment[1] << std::setw(w_) << g_force_moment[2] << std::setw(w_)
<< g_force_moment[3] << std::setw(w_) << g_force_moment[4] << std::setw(w_) << g_force_moment[5] << std::setw(w_)
<< g_force_moment[6] << std::setw(w_) << g_force_moment[7] << std::setw(w_) << g_force_moment[8] << std::setw(w_)
<< g_yplusMin << std::setw(w_) << g_yplusMax << std::endl;
myfile.close();
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleContinuityElemSolverAlgorithm::execute()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// time step
const double dt = realm_.get_time_step();
const double gamma1 = realm_.get_gamma1();
const double projTimeScale = dt/gamma1;
// deal with interpolation procedure
const double interpTogether = realm_.get_mdot_interp();
const double om_interpTogether = 1.0-interpTogether;
// space for LHS/RHS; nodesPerElem*nodesPerElem and nodesPerElem
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<stk::mesh::Entity> connected_nodes;
// supplemental algorithm setup
const size_t supplementalAlgSize = supplementalAlg_.size();
for ( size_t i = 0; i < supplementalAlgSize; ++i )
supplementalAlg_[i]->setup();
// nodal fields to gather
std::vector<double> ws_vrtm;
std::vector<double> ws_Gpdx;
std::vector<double> ws_coordinates;
std::vector<double> ws_pressure;
std::vector<double> ws_density;
// geometry related to populate
std::vector<double> ws_scs_areav;
std::vector<double> ws_dndx;
std::vector<double> ws_dndx_lhs;
std::vector<double> ws_deriv;
std::vector<double> ws_det_j;
std::vector<double> ws_shape_function;
// integration point data that depends on size
std::vector<double> uIp(nDim);
std::vector<double> rho_uIp(nDim);
std::vector<double> GpdxIp(nDim);
std::vector<double> dpdxIp(nDim);
// pointers to everyone...
double *p_uIp = &uIp[0];
double *p_rho_uIp = &rho_uIp[0];
double *p_GpdxIp = &GpdxIp[0];
double *p_dpdxIp = &dpdxIp[0];
// deal with state
ScalarFieldType &densityNp1 = density_->field_of_state(stk::mesh::StateNP1);
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
& stk::mesh::selectUnion(partVec_)
& !(realm_.get_inactive_selector());
stk::mesh::BucketVector const& elem_buckets =
realm_.get_buckets( stk::topology::ELEMENT_RANK, s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = elem_buckets.begin();
ib != elem_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
const stk::mesh::Bucket::size_type length = b.size();
// extract master element
MasterElement *meSCS = realm_.get_surface_master_element(b.topology());
MasterElement *meSCV = realm_.get_volume_master_element(b.topology());
// extract master element specifics
const int nodesPerElement = meSCS->nodesPerElement_;
const int numScsIp = meSCS->numIntPoints_;
const int *lrscv = meSCS->adjacentNodes();
// resize some things; matrix related
const int lhsSize = nodesPerElement*nodesPerElement;
const int rhsSize = nodesPerElement;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
connected_nodes.resize(nodesPerElement);
// algorithm related
ws_vrtm.resize(nodesPerElement*nDim);
ws_Gpdx.resize(nodesPerElement*nDim);
ws_coordinates.resize(nodesPerElement*nDim);
ws_pressure.resize(nodesPerElement);
ws_density.resize(nodesPerElement);
ws_scs_areav.resize(numScsIp*nDim);
ws_dndx.resize(nDim*numScsIp*nodesPerElement);
ws_dndx_lhs.resize(nDim*numScsIp*nodesPerElement);
ws_deriv.resize(nDim*numScsIp*nodesPerElement);
ws_det_j.resize(numScsIp);
ws_shape_function.resize(numScsIp*nodesPerElement);
// pointers
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_vrtm = &ws_vrtm[0];
double *p_Gpdx = &ws_Gpdx[0];
double *p_coordinates = &ws_coordinates[0];
double *p_pressure = &ws_pressure[0];
double *p_density = &ws_density[0];
double *p_scs_areav = &ws_scs_areav[0];
double *p_dndx = &ws_dndx[0];
double *p_dndx_lhs = reducedSensitivities_ ? &ws_dndx_lhs[0] : &ws_dndx[0];
double *p_shape_function = &ws_shape_function[0];
if ( shiftMdot_)
meSCS->shifted_shape_fcn(&p_shape_function[0]);
else
meSCS->shape_fcn(&p_shape_function[0]);
// resize possible supplemental element alg
for ( size_t i = 0; i < supplementalAlgSize; ++i )
supplementalAlg_[i]->elem_resize(meSCS, meSCV);
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// get elem
stk::mesh::Entity elem = b[k];
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
//===============================================
// gather nodal data; this is how we do it now..
//===============================================
stk::mesh::Entity const * node_rels = b.begin_nodes(k);
int num_nodes = b.num_nodes(k);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = node_rels[ni];
// set connected nodes
connected_nodes[ni] = node;
// pointers to real data
const double * Gjp = stk::mesh::field_data(*Gpdx_, node );
const double * coords = stk::mesh::field_data(*coordinates_, node );
const double * vrtm = stk::mesh::field_data(*velocityRTM_, node );
// gather scalars
p_pressure[ni] = *stk::mesh::field_data(*pressure_, node );
p_density[ni] = *stk::mesh::field_data(densityNp1, node );
// gather vectors
const int niNdim = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_vrtm[niNdim+j] = vrtm[j];
p_Gpdx[niNdim+j] = Gjp[j];
p_coordinates[niNdim+j] = coords[j];
}
}
// compute geometry
double scs_error = 0.0;
meSCS->determinant(1, &p_coordinates[0], &p_scs_areav[0], &scs_error);
// compute dndx for residual
if ( shiftPoisson_ )
meSCS->shifted_grad_op(1, &p_coordinates[0], &ws_dndx[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
else
meSCS->grad_op(1, &p_coordinates[0], &ws_dndx[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
// compute dndx for LHS
if ( reducedSensitivities_ )
meSCS->shifted_grad_op(1, &p_coordinates[0], &ws_dndx_lhs[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
for ( int ip = 0; ip < numScsIp; ++ip ) {
// left and right nodes for this ip
const int il = lrscv[2*ip];
const int ir = lrscv[2*ip+1];
// corresponding matrix rows
int rowL = il*nodesPerElement;
int rowR = ir*nodesPerElement;
// setup for ip values; sneak in geometry for possible reduced sens
for ( int j = 0; j < nDim; ++j ) {
p_uIp[j] = 0.0;
p_rho_uIp[j] = 0.0;
p_GpdxIp[j] = 0.0;
p_dpdxIp[j] = 0.0;
}
double rhoIp = 0.0;
const int offSet = ip*nodesPerElement;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function[offSet+ic];
const double nodalPressure = p_pressure[ic];
const double nodalRho = p_density[ic];
rhoIp += r*nodalRho;
double lhsfac = 0.0;
const int offSetDnDx = nDim*nodesPerElement*ip + ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
p_GpdxIp[j] += r*p_Gpdx[nDim*ic+j];
p_uIp[j] += r*p_vrtm[nDim*ic+j];
p_rho_uIp[j] += r*nodalRho*p_vrtm[nDim*ic+j];
p_dpdxIp[j] += p_dndx[offSetDnDx+j]*nodalPressure;
lhsfac += -p_dndx_lhs[offSetDnDx+j]*p_scs_areav[ip*nDim+j];
}
// assemble to lhs; left
p_lhs[rowL+ic] += lhsfac;
// assemble to lhs; right
p_lhs[rowR+ic] -= lhsfac;
}
// assemble mdot
double mdot = 0.0;
for ( int j = 0; j < nDim; ++j ) {
mdot += (interpTogether*p_rho_uIp[j] + om_interpTogether*rhoIp*p_uIp[j]
- projTimeScale*(p_dpdxIp[j] - p_GpdxIp[j]))*p_scs_areav[ip*nDim+j];
}
// residual; left and right
p_rhs[il] -= mdot/projTimeScale;
p_rhs[ir] += mdot/projTimeScale;
}
// call supplemental
for ( size_t i = 0; i < supplementalAlgSize; ++i )
supplementalAlg_[i]->elem_execute( &lhs[0], &rhs[0], elem, meSCS, meSCV);
apply_coeff(connected_nodes, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
ComputeMdotElemAlgorithm::execute()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// time step
const double dt = realm_.get_time_step();
const double gamma1 = realm_.get_gamma1();
const double projTimeScale = dt/gamma1;
// deal with interpolation procedure
const double interpTogether = realm_.get_mdot_interp();
const double om_interpTogether = 1.0-interpTogether;
// nodal fields to gather
std::vector<double> ws_vrtm;
std::vector<double> ws_Gpdx;
std::vector<double> ws_coordinates;
std::vector<double> ws_pressure;
std::vector<double> ws_density;
// geometry related to populate
std::vector<double> ws_scs_areav;
std::vector<double> ws_dndx;
std::vector<double> ws_deriv;
std::vector<double> ws_det_j;
std::vector<double> ws_shape_function;
// integration point data that depends on size
std::vector<double> uIp(nDim);
std::vector<double> rho_uIp(nDim);
std::vector<double> GpdxIp(nDim);
std::vector<double> dpdxIp(nDim);
// pointers to everyone...
double *p_uIp = &uIp[0];
double *p_rho_uIp = &rho_uIp[0];
double *p_GpdxIp = &GpdxIp[0];
double *p_dpdxIp = &dpdxIp[0];
// deal with state
ScalarFieldType &densityNp1 = density_->field_of_state(stk::mesh::StateNP1);
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& elem_buckets =
realm_.get_buckets( stk::topology::ELEMENT_RANK, s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = elem_buckets.begin();
ib != elem_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
const stk::mesh::Bucket::size_type length = b.size();
// extract master element
MasterElement *meSCS = realm_.get_surface_master_element(b.topology());
// extract master element specifics
const int nodesPerElement = meSCS->nodesPerElement_;
const int numScsIp = meSCS->numIntPoints_;
// algorithm related
ws_vrtm.resize(nodesPerElement*nDim);
ws_Gpdx.resize(nodesPerElement*nDim);
ws_coordinates.resize(nodesPerElement*nDim);
ws_pressure.resize(nodesPerElement);
ws_density.resize(nodesPerElement);
ws_scs_areav.resize(numScsIp*nDim);
ws_dndx.resize(nDim*numScsIp*nodesPerElement);
ws_deriv.resize(nDim*numScsIp*nodesPerElement);
ws_det_j.resize(numScsIp);
ws_shape_function.resize(numScsIp*nodesPerElement);
// pointers
double *p_vrtm = &ws_vrtm[0];
double *p_Gpdx = &ws_Gpdx[0];
double *p_coordinates = &ws_coordinates[0];
double *p_pressure = &ws_pressure[0];
double *p_density = &ws_density[0];
double *p_scs_areav = &ws_scs_areav[0];
double *p_dndx = &ws_dndx[0];
double *p_shape_function = &ws_shape_function[0];
if ( shiftMdot_)
meSCS->shifted_shape_fcn(&p_shape_function[0]);
else
meSCS->shape_fcn(&p_shape_function[0]);
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// pointers to elem data
double * mdot = stk::mesh::field_data(*massFlowRate_, b, k );
//===============================================
// gather nodal data; this is how we do it now..
//===============================================
stk::mesh::Entity const * node_rels = b.begin_nodes(k);
int num_nodes = b.num_nodes(k);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = node_rels[ni];
// pointers to real data
const double * vrtm = stk::mesh::field_data(*velocityRTM_, node);
const double * Gjp = stk::mesh::field_data(*Gpdx_, node);
const double * coords = stk::mesh::field_data(*coordinates_, node);
// gather scalars
p_pressure[ni] = *stk::mesh::field_data(*pressure_, node);
p_density[ni] = *stk::mesh::field_data(densityNp1, node);
// gather vectors
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_vrtm[offSet+j] = vrtm[j];
p_Gpdx[offSet+j] = Gjp[j];
p_coordinates[offSet+j] = coords[j];
}
}
// compute geometry
double scs_error = 0.0;
meSCS->determinant(1, &p_coordinates[0], &p_scs_areav[0], &scs_error);
// compute dndx
if (shiftPoisson_)
meSCS->shifted_grad_op(1, &p_coordinates[0], &p_dndx[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
else
meSCS->grad_op(1, &p_coordinates[0], &p_dndx[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
for ( int ip = 0; ip < numScsIp; ++ip ) {
// setup for ip values
for ( int j = 0; j < nDim; ++j ) {
p_uIp[j] = 0.0;
p_rho_uIp[j] = 0.0;
p_GpdxIp[j] = 0.0;
p_dpdxIp[j] = 0.0;
}
double rhoIp = 0.0;
const int offSet = ip*nodesPerElement;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function[offSet+ic];
const double nodalPressure = p_pressure[ic];
const double nodalRho = p_density[ic];
rhoIp += r*nodalRho;
const int offSetDnDx = nDim*nodesPerElement*ip + ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
p_GpdxIp[j] += r*p_Gpdx[nDim*ic+j];
p_uIp[j] += r*p_vrtm[nDim*ic+j];
p_rho_uIp[j] += r*nodalRho*p_vrtm[nDim*ic+j];
p_dpdxIp[j] += p_dndx[offSetDnDx+j]*nodalPressure;
}
}
// assemble mdot
double tmdot = 0.0;
for ( int j = 0; j < nDim; ++j ) {
tmdot += (interpTogether*p_rho_uIp[j] + om_interpTogether*rhoIp*p_uIp[j]
- projTimeScale*(p_dpdxIp[j] - p_GpdxIp[j]))*p_scs_areav[ip*nDim+j];
}
mdot[ip] = tmdot;
}
}
}
// check for edge-mdot assembly
if ( assembleMdotToEdge_ )
assemble_edge_mdot();
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleScalarElemOpenSolverAlgorithm::execute()
{
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
const double small = 1.0e-16;
// extract user advection options (allow to potentially change over time)
const std::string dofName = scalarQ_->name();
const double alphaUpw = realm_.get_alpha_upw_factor(dofName);
const double hoUpwind = realm_.get_upw_factor(dofName);
// one minus flavor..
const double om_alphaUpw = 1.0-alphaUpw;
// space for LHS/RHS; nodesPerElement*nodesPerElement and nodesPerElement
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<int> scratchIds;
std::vector<double> scratchVals;
std::vector<stk::mesh::Entity> connected_nodes;
// ip values; only boundary
std::vector<double> coordBip(nDim);
// pointers to fixed values
double *p_coordBip = &coordBip[0];
// nodal fields to gather
std::vector<double> ws_face_coordinates;
std::vector<double> ws_scalarQNp1;
std::vector<double> ws_bcScalarQ;
// master element
std::vector<double> ws_face_shape_function;
// deal with state
ScalarFieldType &scalarQNp1 = scalarQ_->field_of_state(stk::mesh::StateNP1);
ScalarFieldType &densityNp1 = density_->field_of_state(stk::mesh::StateNP1);
// define vector of parent topos; should always be UNITY in size
std::vector<stk::topology> parentTopo;
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// extract connected element topology
b.parent_topology(stk::topology::ELEMENT_RANK, parentTopo);
ThrowAssert ( parentTopo.size() == 1 );
stk::topology theElemTopo = parentTopo[0];
// volume master element
MasterElement *meSCS = realm_.get_surface_master_element(theElemTopo);
const int nodesPerElement = meSCS->nodesPerElement_;
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = meFC->nodesPerElement_;
const int numScsBip = meFC->numIntPoints_;
std::vector<int> face_node_ordinal_vec(nodesPerFace);
// resize some things; matrix related
const int lhsSize = nodesPerElement*nodesPerElement;
const int rhsSize = nodesPerElement;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
scratchIds.resize(rhsSize);
scratchVals.resize(rhsSize);
connected_nodes.resize(nodesPerElement);
// algorithm related; element
ws_face_coordinates.resize(nodesPerFace*nDim);
ws_scalarQNp1.resize(nodesPerFace);
ws_bcScalarQ.resize(nodesPerFace);
ws_face_shape_function.resize(numScsBip*nodesPerFace);
// pointers
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_face_coordinates = &ws_face_coordinates[0];
double *p_scalarQNp1 = &ws_scalarQNp1[0];
double *p_bcScalarQ = &ws_bcScalarQ[0];
double *p_face_shape_function = &ws_face_shape_function[0];
// shape functions
meFC->shape_fcn(&p_face_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
// get face
stk::mesh::Entity face = b[k];
// pointer to face data
const double * mdot = stk::mesh::field_data(*openMassFlowRate_, face);
//======================================
// gather nodal data off of face
//======================================
stk::mesh::Entity const * face_node_rels = bulk_data.begin_nodes(face);
int num_face_nodes = bulk_data.num_nodes(face);
// sanity check on num nodes
ThrowAssert( num_face_nodes == nodesPerFace );
for ( int ni = 0; ni < num_face_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
// gather scalars
p_scalarQNp1[ni] = *stk::mesh::field_data(scalarQNp1, node);
p_bcScalarQ[ni] = *stk::mesh::field_data(*bcScalarQ_, node);
// gather vectors
double * coords = stk::mesh::field_data(*coordinates_, node);
const int offSet = ni*nDim;
for ( int i=0; i < nDim; ++i ) {
p_face_coordinates[offSet+i] = coords[i];
}
}
// extract the connected element to this exposed face; should be single in size!
const stk::mesh::Entity* face_elem_rels = bulk_data.begin_elements(face);
ThrowAssert( bulk_data.num_elements(face) == 1 );
// get element; its face ordinal number and populate face_node_ordinal_vec
stk::mesh::Entity element = face_elem_rels[0];
const int face_ordinal = bulk_data.begin_element_ordinals(face)[0];
theElemTopo.side_node_ordinals(face_ordinal, face_node_ordinal_vec.begin());
// mapping from ip to nodes for this ordinal
const int *ipNodeMap = meSCS->ipNodeMap(face_ordinal);
//==========================================
// gather nodal data off of element; n/a
//==========================================
stk::mesh::Entity const * elem_node_rels = bulk_data.begin_nodes(element);
int num_nodes = bulk_data.num_nodes(element);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
// set connected nodes
connected_nodes[ni] = elem_node_rels[ni];
}
// loop over face nodes
for ( int ip = 0; ip < numScsBip; ++ip ) {
const int opposingNode = meSCS->opposingNodes(face_ordinal,ip);
const int nearestNode = ipNodeMap[ip];
const int offSetSF_face = ip*nodesPerFace;
// left and right nodes; right is on the face; left is the opposing node
stk::mesh::Entity nodeL = elem_node_rels[opposingNode];
stk::mesh::Entity nodeR = elem_node_rels[nearestNode];
// zero out vector quantities
for ( int j = 0; j < nDim; ++j )
p_coordBip[j] = 0.0;
// interpolate to bip
double qIp = 0.0;
double qIpEntrain = 0.0;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
qIp += r*p_scalarQNp1[ic];
qIpEntrain += r*p_bcScalarQ[ic];
const int offSetFN = ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
p_coordBip[j] += r*p_face_coordinates[offSetFN+j];
}
}
// Peclet factor; along the edge is fine
const double densL = *stk::mesh::field_data(densityNp1, nodeL);
const double densR = *stk::mesh::field_data(densityNp1, nodeR);
const double diffCoeffL = *stk::mesh::field_data(*diffFluxCoeff_, nodeL);
const double diffCoeffR = *stk::mesh::field_data(*diffFluxCoeff_, nodeR);
const double scalarQNp1R = *stk::mesh::field_data(scalarQNp1, nodeR);
const double *vrtmL = stk::mesh::field_data(*velocityRTM_, nodeL);
const double *vrtmR = stk::mesh::field_data(*velocityRTM_, nodeR);
const double *coordL = stk::mesh::field_data(*coordinates_, nodeL);
const double *coordR = stk::mesh::field_data(*coordinates_, nodeR);
const double *dqdxR = stk::mesh::field_data(*dqdx_, nodeR);
double udotx = 0.0;
double dqR = 0.0;
for ( int i = 0; i < nDim; ++i ) {
const double dxi = coordR[i] - coordL[i];
udotx += 0.5*dxi*(vrtmL[i] + vrtmR[i]);
// extrapolation
const double dx_bip = coordBip[i] - coordR[i];
dqR += dx_bip*dqdxR[i]*hoUpwind;
}
const double qIpUpw = scalarQNp1R + dqR;
const double diffIp = 0.5*(diffCoeffL/densL + diffCoeffR/densR);
const double pecfac = pecletFunction_->execute(std::abs(udotx)/(diffIp+small));
const double om_pecfac = 1.0-pecfac;
//================================
// advection first (and only)
//================================
const double tmdot = mdot[ip];
const int rowR = nearestNode*nodesPerElement;
// advection; leaving the domain
if ( tmdot > 0.0 ) {
// central; is simply qIp
// upwind
const double qUpwind = alphaUpw*qIpUpw + (om_alphaUpw)*qIp;
// total advection
const double aflux = tmdot*(pecfac*qUpwind+om_pecfac*qIp);
p_rhs[nearestNode] -= aflux;
// upwind lhs
p_lhs[rowR+nearestNode] += tmdot*pecfac*alphaUpw;
// central part
const double fac = tmdot*(pecfac*om_alphaUpw+om_pecfac);
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
const int nn = face_node_ordinal_vec[ic];
p_lhs[rowR+nn] += r*fac;
}
}
else {
// extrainment; advect in from specified value
const double aflux = tmdot*qIpEntrain;
p_rhs[nearestNode] -= aflux;
}
}
apply_coeff(connected_nodes, scratchIds, scratchVals, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- add_elem_gradq --------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleNodalGradElemContactAlgorithm::add_elem_gradq()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
// fields
VectorFieldType *coordinates = meta_data.get_field<VectorFieldType>(stk::topology::NODE_RANK, realm_.get_coordinates_name());
VectorFieldType *haloDxj = meta_data.get_field<VectorFieldType>(stk::topology::NODE_RANK, "halo_dxj");
const int nDim = meta_data.spatial_dimension();
// loop over locally owned faces and construct missing elemental contributions
stk::mesh::Selector s_locally_owned = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib;
// extract master element; hard coded for quad or hex;
// quad is always true for 2D while for 3D, either hex or wedge apply
const stk::topology & theElemTopo = (nDim == 2) ? stk::topology::QUAD_4_2D : stk::topology::HEX_8;
const int num_face_nodes = (nDim == 2) ? 2 : 4;
std::vector<int> face_node_ordinals(num_face_nodes);
// extract master element for extruded element type
MasterElement *meSCS = realm_.get_surface_master_element(theElemTopo);
MasterElement *meSCV = realm_.get_volume_master_element(theElemTopo);
// extract master element specifics
const int nodesPerElement = meSCV->nodesPerElement_;
const int numScsIp = meSCS->numIntPoints_;
// mapping between exposed face and extruded element's overlapping face
const int *faceNodeOnExtrudedElem = meSCS->faceNodeOnExtrudedElem();
// mapping between exposed face and extruded element's opposing face
const int *opposingNodeOnExtrudedElem = meSCS->opposingNodeOnExtrudedElem();
// mapping between exposed face scs ips and halo edge
const int *faceScsIpOnExtrudedElem = meSCS->faceScsIpOnExtrudedElem();
// mapping between exposed face scs ips and exposed face edge
const int *faceScsIpOnFaceEdges = meSCS->faceScsIpOnFaceEdges();
// alignment of face:edge ordering and scsip area vector
const double *edgeAlignedArea = meSCS->edgeAlignedArea();
// define scratch field
std::vector<double > ws_coordinates(nodesPerElement*nDim);
std::vector<double > ws_scs_areav(numScsIp*nDim);
std::vector<double > ws_scalarQ(nodesPerElement);
std::vector<double> ws_shape_function(numScsIp*nodesPerElement);
// pointers
double *p_shape_function = &ws_shape_function[0];
meSCS->shape_fcn(&p_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// get face
stk::mesh::Entity face = b[k];
// extract the connected element to this exposed face; should be single in size!
stk::mesh::Entity const* face_elem_rels = bulk_data.begin_elements(face);
stk::mesh::ConnectivityOrdinal const* face_elem_ords = bulk_data.begin_element_ordinals(face);
const int num_elements = bulk_data.num_elements(face);
ThrowRequire( num_elements == 1 );
stk::mesh::Entity element = face_elem_rels[0];
const int face_ordinal = face_elem_ords[0];
theElemTopo.side_node_ordinals(face_ordinal, face_node_ordinals.begin());
// concentrate on loading up the nodal coordinates/scalarQ for the extruded element
stk::mesh::Entity const * face_node_rels = b.begin_nodes(k);
int num_nodes = b.num_nodes(k);
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
const double * coords = stk::mesh::field_data(*coordinates, node);
const double * hDxj = stk::mesh::field_data( *haloDxj, node );
const int faceNode = faceNodeOnExtrudedElem[face_ordinal*num_nodes + ni];
const int opposingNode = opposingNodeOnExtrudedElem[face_ordinal*num_nodes + ni];
const int offSetFN = faceNode*nDim;
const int offSetON = opposingNode*nDim;
// populate scalars
ws_scalarQ[faceNode] = *stk::mesh::field_data(*scalarQ_, node);
ws_scalarQ[opposingNode] = *stk::mesh::field_data(*haloQ_, node);
// now vectors
for ( int j=0; j < nDim; ++j ) {
// face node
ws_coordinates[offSetFN+j] = coords[j];
ws_coordinates[offSetON+j] = coords[j] + hDxj[j];
}
}
// compute scs integration point areavec
double scs_error = 0.0;
meSCS->determinant(1, &ws_coordinates[0], &ws_scs_areav[0], &scs_error);
// assemble halo ip contribution for face node
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
const double &dualNodalVolume = *stk::mesh::field_data( *dualNodalVolume_, node );
// area vector for halo edge;
// face ordinal 0 for extruded element has all scs area vectors pointing from face to opposing face
const int scsIp = faceScsIpOnExtrudedElem[face_ordinal*num_nodes + ni];
// interpolate element nodal values to this scsIp of interest
double scalarQ_scsIp = 0.0;
for ( int ic = 0; ic < nodesPerElement; ++ic )
scalarQ_scsIp += p_shape_function[scsIp*nodesPerElement + ic]*ws_scalarQ[ic];
// add in nodal gradient contribution
double *dqdx = stk::mesh::field_data( *dqdx_, node );
for ( int j = 0; j < nDim; ++j ) {
dqdx[j] += scalarQ_scsIp*ws_scs_areav[scsIp*nDim+j]/dualNodalVolume;
}
}
// deal with edges on the exposed face and each
stk::mesh::Entity const* elem_node_rels = bulk_data.begin_nodes(element);
// face edge relations; if this is 2D then the face is a edge and size is unity
stk::mesh::Entity const* face_edge_rels = bulk_data.begin_edges(face);
const int num_face_edges = bulk_data.num_edges(face);
int num_edges = (nDim == 3) ? num_face_edges : 1;
for ( int i = 0; i < num_edges; ++i ) {
// get edge
stk::mesh::Entity edge = (nDim == 3) ? face_edge_rels[i] : face;
// get the relations from edge
stk::mesh::Entity const* edge_node_rels = bulk_data.begin_nodes(edge);
const int edge_num_nodes = bulk_data.num_nodes(edge);
// sanity check on num nodes
if ( edge_num_nodes != 2 ){
throw std::runtime_error("num nodes is not 2");
}
// extract ip for this edge
const int scsIp = faceScsIpOnFaceEdges[face_ordinal*num_edges + i];
// correct area for edge and scs area vector from extruded element alignment
const double alignmentFac = edgeAlignedArea[face_ordinal*num_edges + i];
// interpolate element nodal values to this scsIp of interest
double scalarQ_scsIp = 0.0;
for ( int ic = 0; ic < nodesPerElement; ++ic )
scalarQ_scsIp += p_shape_function[scsIp*nodesPerElement + ic]*ws_scalarQ[ic];
// left and right nodes on the edge
stk::mesh::Entity nodeL = edge_node_rels[0];
stk::mesh::Entity nodeR = edge_node_rels[1];
// does edge point correctly
const int leftNode = face_node_ordinals[i];
const size_t iglob_Lelem = bulk_data.identifier(elem_node_rels[leftNode]);
const size_t iglob_Ledge = bulk_data.identifier(edge_node_rels[0]);
// determine the sign value for area vector; if Left node is the same,
// then the element and edge relations are aligned
const double sign = ( iglob_Lelem == iglob_Ledge ) ? 1.0 : -1.0;
// add in nodal gradient contribution
double *dqdxL = stk::mesh::field_data( *dqdx_, nodeL );
double *dqdxR = stk::mesh::field_data( *dqdx_, nodeR );
const double &dualNodalVolumeL = *stk::mesh::field_data( *dualNodalVolume_, nodeL );
const double &dualNodalVolumeR = *stk::mesh::field_data( *dualNodalVolume_, nodeR );
for ( int j = 0; j < nDim; ++j ) {
dqdxL[j] += scalarQ_scsIp*ws_scs_areav[scsIp*nDim+j]/dualNodalVolumeL*sign*alignmentFac;
dqdxR[j] -= scalarQ_scsIp*ws_scs_areav[scsIp*nDim+j]/dualNodalVolumeR*sign*alignmentFac;
}
}
}
}
// parallel assembly handled elsewhere
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleContinuityElemOpenSolverAlgorithm::execute()
{
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// extract noc
const std::string dofName = "pressure";
const double includeNOC
= (realm_.get_noc_usage(dofName) == true) ? 1.0 : 0.0;
// space for LHS/RHS; nodesPerElem*nodesPerElem and nodesPerElem
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<stk::mesh::Entity> connected_nodes;
// ip values; both boundary and opposing surface
std::vector<double> uBip(nDim);
std::vector<double> rho_uBip(nDim);
std::vector<double> GpdxBip(nDim);
std::vector<double> coordBip(nDim);
std::vector<double> coordScs(nDim);
// pointers to fixed values
double *p_uBip = &uBip[0];
double *p_rho_uBip = &rho_uBip[0];
double *p_GpdxBip = &GpdxBip[0];
double *p_coordBip = &coordBip[0];
double *p_coordScs = &coordScs[0];
// nodal fields to gather
std::vector<double> ws_coordinates;
std::vector<double> ws_pressure;
std::vector<double> ws_vrtm;
std::vector<double> ws_Gpdx;
std::vector<double> ws_density;
std::vector<double> ws_bcPressure;
// master element
std::vector<double> ws_shape_function;
std::vector<double> ws_shape_function_lhs;
std::vector<double> ws_face_shape_function;
// time step
const double dt = realm_.get_time_step();
const double gamma1 = realm_.get_gamma1();
const double projTimeScale = dt/gamma1;
// deal with interpolation procedure
const double interpTogether = realm_.get_mdot_interp();
const double om_interpTogether = 1.0-interpTogether;
// deal with state
ScalarFieldType &densityNp1 = density_->field_of_state(stk::mesh::StateNP1);
// define vector of parent topos; should always be UNITY in size
std::vector<stk::topology> parentTopo;
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// extract connected element topology
b.parent_topology(stk::topology::ELEMENT_RANK, parentTopo);
ThrowAssert ( parentTopo.size() == 1 );
stk::topology theElemTopo = parentTopo[0];
// volume master element
MasterElement *meSCS = realm_.get_surface_master_element(theElemTopo);
const int nodesPerElement = meSCS->nodesPerElement_;
const int numScsIp = meSCS->numIntPoints_;
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = b.topology().num_nodes();
const int numScsBip = meFC->numIntPoints_;
std::vector<int> face_node_ordinal_vec(nodesPerFace);
// resize some things; matrix related
const int lhsSize = nodesPerElement*nodesPerElement;
const int rhsSize = nodesPerElement;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
connected_nodes.resize(nodesPerElement);
// algorithm related; element
ws_coordinates.resize(nodesPerElement*nDim);
ws_pressure.resize(nodesPerElement);
ws_vrtm.resize(nodesPerFace*nDim);
ws_Gpdx.resize(nodesPerFace*nDim);
ws_density.resize(nodesPerFace);
ws_bcPressure.resize(nodesPerFace);
ws_shape_function.resize(numScsIp*nodesPerElement);
ws_shape_function_lhs.resize(numScsIp*nodesPerElement);
ws_face_shape_function.resize(numScsBip*nodesPerFace);
// pointers
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_coordinates = &ws_coordinates[0];
double *p_pressure = &ws_pressure[0];
double *p_vrtm = &ws_vrtm[0];
double *p_Gpdx = &ws_Gpdx[0];
double *p_density = &ws_density[0];
double *p_bcPressure = &ws_bcPressure[0];
double *p_shape_function = &ws_shape_function[0];
double *p_shape_function_lhs = shiftPoisson_ ? &ws_shape_function[0] : reducedSensitivities_ ? &ws_shape_function_lhs[0] : &ws_shape_function[0];
double *p_face_shape_function = &ws_face_shape_function[0];
// shape functions; interior
if ( shiftPoisson_ )
meSCS->shifted_shape_fcn(&p_shape_function[0]);
else
meSCS->shape_fcn(&p_shape_function[0]);
if ( !shiftPoisson_ && reducedSensitivities_ )
meSCS->shifted_shape_fcn(&p_shape_function_lhs[0]);
// shape functions; boundary
if ( shiftMdot_ )
meFC->shifted_shape_fcn(&p_face_shape_function[0]);
else
meFC->shape_fcn(&p_face_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
// get face
stk::mesh::Entity face = b[k];
//======================================
// gather nodal data off of face
//======================================
stk::mesh::Entity const * face_node_rels = bulk_data.begin_nodes(face);
int num_face_nodes = bulk_data.num_nodes(face);
// sanity check on num nodes
ThrowAssert( num_face_nodes == nodesPerFace );
for ( int ni = 0; ni < num_face_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
// gather scalars
p_density[ni] = *stk::mesh::field_data(densityNp1, node);
p_bcPressure[ni] = *stk::mesh::field_data(*pressureBc_, node);
// gather vectors
const double * vrtm = stk::mesh::field_data(*velocityRTM_, node);
const double * Gjp = stk::mesh::field_data(*Gpdx_, node);
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_vrtm[offSet+j] = vrtm[j];
p_Gpdx[offSet+j] = Gjp[j];
}
}
// pointer to face data
const double * areaVec = stk::mesh::field_data(*exposedAreaVec_, face);
// extract the connected element to this exposed face; should be single in size!
const stk::mesh::Entity* face_elem_rels = bulk_data.begin_elements(face);
ThrowAssert( bulk_data.num_elements(face) == 1 );
// get element; its face ordinal number and populate face_node_ordinal_vec
stk::mesh::Entity element = face_elem_rels[0];
const stk::mesh::ConnectivityOrdinal* face_elem_ords = bulk_data.begin_element_ordinals(face);
const int face_ordinal = face_elem_ords[0];
theElemTopo.side_node_ordinals(face_ordinal, face_node_ordinal_vec.begin());
// mapping from ip to nodes for this ordinal
const int *ipNodeMap = meSCS->ipNodeMap(face_ordinal);
//======================================
// gather nodal data off of element
//======================================
stk::mesh::Entity const * elem_node_rels = bulk_data.begin_nodes(element);
int num_nodes = bulk_data.num_nodes(element);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = elem_node_rels[ni];
// set connected nodes
connected_nodes[ni] = node;
// gather scalars
p_pressure[ni] = *stk::mesh::field_data(*pressure_, node);
// gather vectors
const double * coords = stk::mesh::field_data(*coordinates_, node);
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_coordinates[offSet+j] = coords[j];
}
}
// loop over boundary ips
for ( int ip = 0; ip < numScsBip; ++ip ) {
const int nearestNode = ipNodeMap[ip];
const int opposingScsIp = meSCS->opposingFace(face_ordinal,ip);
// zero out vector quantities
for ( int j = 0; j < nDim; ++j ) {
p_uBip[j] = 0.0;
p_rho_uBip[j] = 0.0;
p_GpdxBip[j] = 0.0;
p_coordBip[j] = 0.0;
p_coordScs[j] = 0.0;
}
double rhoBip = 0.0;
// interpolate to bip
double pBip = 0.0;
const int offSetSF_face = ip*nodesPerFace;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const int fn = face_node_ordinal_vec[ic];
const double r = p_face_shape_function[offSetSF_face+ic];
const double rhoIC = p_density[ic];
rhoBip += r*rhoIC;
pBip += r*p_bcPressure[ic];
const int offSetFN = ic*nDim;
const int offSetEN = fn*nDim;
for ( int j = 0; j < nDim; ++j ) {
p_uBip[j] += r*p_vrtm[offSetFN+j];
p_rho_uBip[j] += r*rhoIC*p_vrtm[offSetFN+j];
p_GpdxBip[j] += r*p_Gpdx[offSetFN+j];
p_coordBip[j] += r*p_coordinates[offSetEN+j];
}
}
// data at interior opposing face
double pScs = 0.0;
const int offSetSF_elem = opposingScsIp*nodesPerElement;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function[offSetSF_elem+ic];
pScs += r*p_pressure[ic];
const int offSet = ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
p_coordScs[j] += r*p_coordinates[offSet+j];
}
}
// form axdx, asq and mdot (without dp/dn or noc)
double asq = 0.0;
double axdx = 0.0;
double mdot = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double dxj = p_coordBip[j] - p_coordScs[j];
const double axj = areaVec[ip*nDim+j];
asq += axj*axj;
axdx += axj*dxj;
mdot += (interpTogether*p_rho_uBip[j] + om_interpTogether*rhoBip*p_uBip[j]
+ projTimeScale*p_GpdxBip[j])*axj;
}
const double inv_axdx = 1.0/axdx;
// deal with noc
double noc = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double dxj = p_coordBip[j] - p_coordScs[j];
const double axj = areaVec[ip*nDim+j];
const double kxj = axj - asq*inv_axdx*dxj; // NOC
noc += kxj*p_GpdxBip[j];
}
// lhs for pressure system
int rowR = nearestNode*nodesPerElement;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function_lhs[offSetSF_elem+ic];
p_lhs[rowR+ic] += r*asq*inv_axdx;
}
// final mdot
mdot += -projTimeScale*((pBip-pScs)*asq*inv_axdx + noc*includeNOC);
// residual
p_rhs[nearestNode] -= mdot/projTimeScale;
}
apply_coeff(connected_nodes, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleMomentumElemSymmetrySolverAlgorithm::execute()
{
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// space for LHS/RHS; nodesPerElem*nDim*nodesPerElem*nDim and nodesPerElem*nDim
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<int> scratchIds;
std::vector<double> scratchVals;
std::vector<stk::mesh::Entity> connected_nodes;
// vectors
std::vector<double> nx(nDim);
// pointers to fixed values
double *p_nx = &nx[0];
// nodal fields to gather
std::vector<double> ws_velocityNp1;
std::vector<double> ws_coordinates;
std::vector<double> ws_viscosity;
// master element
std::vector<double> ws_face_shape_function;
std::vector<double> ws_dndx;
std::vector<double> ws_det_j;
// deal with state
VectorFieldType &velocityNp1 = velocity_->field_of_state(stk::mesh::StateNP1);
// define vector of parent topos; should always be UNITY in size
std::vector<stk::topology> parentTopo;
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// extract connected element topology
b.parent_topology(stk::topology::ELEMENT_RANK, parentTopo);
ThrowAssert ( parentTopo.size() == 1 );
stk::topology theElemTopo = parentTopo[0];
// volume master element
MasterElement *meSCS = realm_.get_surface_master_element(theElemTopo);
const int nodesPerElement = meSCS->nodesPerElement_;
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = meFC->nodesPerElement_;
const int numScsBip = meFC->numIntPoints_;
// resize some things; matrix related
const int lhsSize = nodesPerElement*nDim*nodesPerElement*nDim;
const int rhsSize = nodesPerElement*nDim;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
scratchIds.resize(rhsSize);
scratchVals.resize(rhsSize);
connected_nodes.resize(nodesPerElement);
// algorithm related; element
ws_velocityNp1.resize(nodesPerElement*nDim);
ws_coordinates.resize(nodesPerElement*nDim);
ws_viscosity.resize(nodesPerFace);
ws_face_shape_function.resize(numScsBip*nodesPerFace);
ws_dndx.resize(nDim*numScsBip*nodesPerElement);
ws_det_j.resize(numScsBip);
// pointers
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_velocityNp1 = &ws_velocityNp1[0];
double *p_coordinates = &ws_coordinates[0];
double *p_viscosity = &ws_viscosity[0];
double *p_face_shape_function = &ws_face_shape_function[0];
double *p_dndx = &ws_dndx[0];
// shape function
meFC->shape_fcn(&p_face_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
// get face
stk::mesh::Entity face = b[k];
//======================================
// gather nodal data off of face
//======================================
stk::mesh::Entity const * face_node_rels = bulk_data.begin_nodes(face);
int num_face_nodes = bulk_data.num_nodes(face);
// sanity check on num nodes
ThrowAssert( num_face_nodes == nodesPerFace );
for ( int ni = 0; ni < num_face_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
// gather scalars
p_viscosity[ni] = *stk::mesh::field_data(*viscosity_, node);
}
// pointer to face data
const double * areaVec = stk::mesh::field_data(*exposedAreaVec_, face);
// extract the connected element to this exposed face; should be single in size!
stk::mesh::Entity const * face_elem_rels = bulk_data.begin_elements(face);
ThrowAssert( bulk_data.num_elements(face) == 1 );
// get element; its face ordinal number
stk::mesh::Entity element = face_elem_rels[0];
const stk::mesh::ConnectivityOrdinal* face_elem_ords = bulk_data.begin_element_ordinals(face);
const int face_ordinal = face_elem_ords[0];
// mapping from ip to nodes for this ordinal
const int *ipNodeMap = meSCS->ipNodeMap(face_ordinal);
//==========================================
// gather nodal data off of element
//==========================================
stk::mesh::Entity const * elem_node_rels = bulk_data.begin_nodes(element);
int num_nodes = bulk_data.num_nodes(element);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = elem_node_rels[ni];
// set connected nodes
connected_nodes[ni] = node;
// gather vectors
double * uNp1 = stk::mesh::field_data(velocityNp1, node);
double * coords = stk::mesh::field_data(*coordinates_, node);
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_velocityNp1[offSet+j] = uNp1[j];
p_coordinates[offSet+j] = coords[j];
}
}
// compute dndx
double scs_error = 0.0;
meSCS->face_grad_op(1, face_ordinal, &p_coordinates[0], &p_dndx[0], &ws_det_j[0], &scs_error);
// loop over boundary ips
for ( int ip = 0; ip < numScsBip; ++ip ) {
const int nearestNode = ipNodeMap[ip];
// offset for bip area vector and types of shape function
const int faceOffSet = ip*nDim;
const int offSetSF_face = ip*nodesPerFace;
// form unit normal
double asq = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double axj = areaVec[faceOffSet+j];
asq += axj*axj;
}
const double amag = std::sqrt(asq);
for ( int i = 0; i < nDim; ++i ) {
p_nx[i] = areaVec[faceOffSet+i]/amag;
}
// interpolate to bip
double viscBip = 0.0;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
viscBip += r*p_viscosity[ic];
}
//================================
// diffusion second
//================================
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const int offSetDnDx = nDim*nodesPerElement*ip + ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
const double axj = areaVec[faceOffSet+j];
const double dndxj = p_dndx[offSetDnDx+j];
const double uxj = p_velocityNp1[ic*nDim+j];
const double divUstress = 2.0/3.0*viscBip*dndxj*uxj*axj*includeDivU_;
for ( int i = 0; i < nDim; ++i ) {
// matrix entries
int indexR = nearestNode*nDim + i;
int rowR = indexR*nodesPerElement*nDim;
const double dndxi = p_dndx[offSetDnDx+i];
const double uxi = p_velocityNp1[ic*nDim+i];
const double nxi = p_nx[i];
const double nxinxi = nxi*nxi;
// -mu*dui/dxj*Aj*ni*ni; sneak in divU (explicit)
double lhsfac = - viscBip*dndxj*axj*nxinxi;
p_lhs[rowR+ic*nDim+i] += lhsfac;
p_rhs[indexR] -= lhsfac*uxi + divUstress*nxinxi;
// -mu*duj/dxi*Aj*ni*ni
lhsfac = - viscBip*dndxi*axj*nxinxi;
p_lhs[rowR+ic*nDim+j] += lhsfac;
p_rhs[indexR] -= lhsfac*uxj;
// now we need the +nx*ny*Fy + nx*nz*Fz part
for ( int l = 0; l < nDim; ++l ) {
if ( i != l ) {
const double nxinxl = nxi*p_nx[l];
const double uxl = p_velocityNp1[ic*nDim+l];
const double dndxl = p_dndx[offSetDnDx+l];
// -ni*nl*mu*dul/dxj*Aj; sneak in divU (explict)
lhsfac = -viscBip*dndxj*axj*nxinxl;
p_lhs[rowR+ic*nDim+l] += lhsfac;
p_rhs[indexR] -= lhsfac*uxl + divUstress*nxinxl;
// -ni*nl*mu*duj/dxl*Aj
lhsfac = -viscBip*dndxl*axj*nxinxl;
p_lhs[rowR+ic*nDim+j] += lhsfac;
p_rhs[indexR] -= lhsfac*uxj;
}
}
}
}
}
}
apply_coeff(connected_nodes, scratchIds, scratchVals, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssemblePNGBoundarySolverAlgorithm::execute()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// space for LHS/RHS; nodesPerFace*nDim*nodesPerFace*nDim and nodesPerFace*nDim
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<int> scratchIds;
std::vector<double> scratchVals;
std::vector<stk::mesh::Entity> connected_nodes;
// nodal fields to gather
std::vector<double> ws_scalarQ;
// master element
std::vector<double> ws_face_shape_function;
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = meFC->nodesPerElement_;
const int numScsBip = meFC->numIntPoints_;
const int *faceIpNodeMap = meFC->ipNodeMap();
// resize some things; matrix related
const int lhsSize = nodesPerFace*nDim*nodesPerFace*nDim;
const int rhsSize = nodesPerFace*nDim;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
scratchIds.resize(rhsSize);
scratchVals.resize(rhsSize);
connected_nodes.resize(nodesPerFace);
// algorithm related; element
ws_scalarQ.resize(nodesPerFace);
ws_face_shape_function.resize(numScsBip*nodesPerFace);
// pointers
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_scalarQ = &ws_scalarQ[0];
double *p_face_shape_function = &ws_face_shape_function[0];
// zero lhs; always zero
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
// shape function
meFC->shape_fcn(&p_face_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// zero rhs only since LHS never contributes, never touched
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
//======================================
// gather nodal data off of face
//======================================
stk::mesh::Entity const * face_node_rels = b.begin_nodes(k);
int num_face_nodes = b.num_nodes(k);
// sanity check on num nodes
ThrowAssert( num_face_nodes == nodesPerFace );
for ( int ni = 0; ni < num_face_nodes; ++ni ) {
// get the node and form connected_node
stk::mesh::Entity node = face_node_rels[ni];
connected_nodes[ni] = node;
// gather scalars
p_scalarQ[ni] = *stk::mesh::field_data(*scalarQ_, node);
}
// pointer to face data
const double * areaVec = stk::mesh::field_data(*exposedAreaVec_, b, k);
// start the assembly
for ( int ip = 0; ip < numScsBip; ++ip ) {
// nearest node to ip
const int localFaceNode = faceIpNodeMap[ip];
// save off some offsets for this ip
const int nnNdim = localFaceNode*nDim;
const int offSetSF_face = ip*nodesPerFace;
// interpolate to bip
double scalarQBip = 0.0;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
scalarQBip += r*p_scalarQ[ic];
}
// assemble to RHS; rhs -= a negative contribution => +=
for ( int i = 0; i < nDim; ++i ) {
p_rhs[nnNdim+i] += scalarQBip*areaVec[ip*nDim+i];
}
}
apply_coeff(connected_nodes, scratchIds, scratchVals, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleNodalGradUBoundaryAlgorithm::execute()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// extract fields
GenericFieldType *exposedAreaVec = meta_data.get_field<GenericFieldType>(meta_data.side_rank(), "exposed_area_vector");
ScalarFieldType *dualNodalVolume = meta_data.get_field<ScalarFieldType>(stk::topology::NODE_RANK, "dual_nodal_volume");
// nodal fields to gather; gather everything other than what we are assembling
std::vector<double> ws_vectorQ;
// geometry related to populate
std::vector<double> ws_shape_function;
// ip data
std::vector<double>qIp(nDim);
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
const stk::mesh::Bucket::size_type length = b.size();
// extract master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
// extract master element specifics
const int nodesPerFace = meFC->nodesPerElement_;
const int numScsIp = meFC->numIntPoints_;
// algorithm related
ws_vectorQ.resize(nodesPerFace*nDim);
ws_shape_function.resize(numScsIp*nodesPerFace);
// pointers
double *p_vectorQ = &ws_vectorQ[0];
double *p_shape_function = &ws_shape_function[0];
if ( useShifted_ )
meFC->shifted_shape_fcn(&p_shape_function[0]);
else
meFC->shape_fcn(&p_shape_function[0]);
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// face data
double * areaVec = stk::mesh::field_data(*exposedAreaVec, b, k);
//===============================================
// gather nodal data; this is how we do it now..
//===============================================
stk::mesh::Entity const * face_node_rels = b.begin_nodes(k);
int num_nodes = b.num_nodes(k);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerFace );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
// pointers to real data
double * vectorQ = stk::mesh::field_data(*vectorQ_, node );
// gather vectors
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_vectorQ[offSet+j] = vectorQ[j];
}
}
// start assembly
for ( int ip = 0; ip < numScsIp; ++ip ) {
// nearest node
const int nn = ip;
stk::mesh::Entity nodeNN = face_node_rels[nn];
// pointer to fields to assemble
double *gradQNN = stk::mesh::field_data(*dqdx_, nodeNN );
// suplemental
double volNN = *stk::mesh::field_data(*dualNodalVolume, nodeNN);
// interpolate to scs point; operate on saved off ws_field
for (int j =0; j < nDim; ++j )
qIp[j] = 0.0;
const int offSet = ip*nodesPerFace;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_shape_function[offSet+ic];
for ( int j = 0; j < nDim; ++j ) {
qIp[j] += r*p_vectorQ[ic*nDim+j];
}
}
// nearest node volume
double inv_volNN = 1.0/volNN;
// assemble to nearest node
for ( int i = 0; i < nDim; ++i ) {
const int row_gradQ = i*nDim;
double qip = qIp[i];
for ( int j = 0; j < nDim; ++j ) {
double fac = qip*areaVec[ip*nDim+j];
gradQNN[row_gradQ+j] += fac*inv_volNN;
}
}
}
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
ComputeHeatTransferElemWallAlgorithm::execute()
{
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
const double dt = realm_.get_time_step();
// nodal fields to gather
std::vector<double> ws_coordinates;
std::vector<double> ws_temperature;
std::vector<double> ws_thermalCond;
std::vector<double> ws_density;
std::vector<double> ws_specificHeat;
// master element
std::vector<double> ws_face_shape_function;
std::vector<double> ws_dndx;
std::vector<double> ws_det_j;
// array for face nodes and nodes off face
std::vector<double> ws_nodesOnFace;
std::vector<double> ws_nodesOffFace;
// define vector of parent topos; should always be UNITY in size
std::vector<stk::topology> parentTopo;
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// extract connected element topology
b.parent_topology(stk::topology::ELEMENT_RANK, parentTopo);
ThrowAssert ( parentTopo.size() == 1 );
stk::topology theElemTopo = parentTopo[0];
MasterElement *meSCS = realm_.get_surface_master_element(theElemTopo);
const int nodesPerElement = meSCS->nodesPerElement_;
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = meFC->nodesPerElement_;
// size some things that are useful
int num_face_nodes = b.topology().num_nodes();
std::vector<int> face_node_ordinals(num_face_nodes);
// algorithm related; element
ws_coordinates.resize(nodesPerElement*nDim);
ws_temperature.resize(nodesPerElement);
ws_thermalCond.resize(nodesPerFace);
ws_density.resize(nodesPerFace);
ws_specificHeat.resize(nodesPerFace);
ws_face_shape_function.resize(nodesPerFace*nodesPerFace);
ws_dndx.resize(nDim*nodesPerFace*nodesPerElement);
ws_det_j.resize(nodesPerFace);
ws_nodesOnFace.resize(nodesPerElement);
ws_nodesOffFace.resize(nodesPerElement);
// pointers
double *p_coordinates = &ws_coordinates[0];
double *p_temperature = &ws_temperature[0];
double *p_thermalCond = &ws_thermalCond[0];
double *p_density = &ws_density[0];
double *p_specificHeat = &ws_specificHeat[0];
double *p_face_shape_function = &ws_face_shape_function[0];
double *p_dndx = &ws_dndx[0];
double *p_nodesOnFace = &ws_nodesOnFace[0];
double *p_nodesOffFace = &ws_nodesOffFace[0];
// shape function
meFC->shape_fcn(&p_face_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// get face
stk::mesh::Entity face = b[k];
// pointer to face data
const double * areaVec = stk::mesh::field_data(*exposedAreaVec_, b, k);
//======================================
// gather nodal data off of face
//======================================
stk::mesh::Entity const * face_node_rels = bulk_data.begin_nodes(face);
num_face_nodes = bulk_data.num_nodes(face);
// sanity check on num nodes
ThrowAssert( num_face_nodes == nodesPerFace );
for ( int ni = 0; ni < num_face_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
// gather scalars
p_density[ni] = *stk::mesh::field_data(*density_, node);
const double mu = *stk::mesh::field_data(*viscosity_, node);
const double Cp = *stk::mesh::field_data(*specificHeat_, node);
p_specificHeat[ni] = Cp;
p_thermalCond[ni] = mu*Cp/Pr_;
}
// extract the connected element to this exposed face; should be single in size!
stk::mesh::Entity const * face_elem_rels = b.begin_elements(k);
ThrowAssert( b.num_elements(k) == 1 );
// get element; its face ordinal number and populate face_node_ordinals
stk::mesh::Entity element = face_elem_rels[0];
const int face_ordinal = b.begin_element_ordinals(k)[0];
theElemTopo.side_node_ordinals(face_ordinal, face_node_ordinals.begin());
//==========================================
// gather nodal data off of element
//==========================================
stk::mesh::Entity const * elem_node_rels = bulk_data.begin_nodes(element);
int num_nodes = bulk_data.num_nodes(element);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
// sneak in nodesOn/offFace
p_nodesOnFace[ni] = 0.0;
p_nodesOffFace[ni] = 1.0;
stk::mesh::Entity node = elem_node_rels[ni];
// gather scalars
p_temperature[ni] = *stk::mesh::field_data(*temperature_, node);
// gather vectors
double * coords = stk::mesh::field_data(*coordinates_, node);
const int offSet = ni*nDim;
for ( int j=0; j < nDim; ++j ) {
p_coordinates[offSet+j] = coords[j];
}
}
// process on/off while looping over face nodes
for ( int ip = 0; ip < num_face_nodes; ++ip ) {
const int nearestNode = face_node_ordinals[ip];
p_nodesOnFace[nearestNode] = 1.0;
p_nodesOffFace[nearestNode] = 0.0;
}
// compute dndx
double scs_error = 0.0;
meSCS->face_grad_op(1, face_ordinal, &p_coordinates[0], &p_dndx[0], &ws_det_j[0], &scs_error);
for ( int ip = 0; ip < num_face_nodes; ++ip ) {
const int nearestNode = face_node_ordinals[ip];
stk::mesh::Entity nodeR = elem_node_rels[nearestNode];
// pointers to nearest node data
double *assembledWallArea = stk::mesh::field_data(*assembledWallArea_, nodeR);
double *referenceTemperature = stk::mesh::field_data(*referenceTemperature_, nodeR);
double *heatTransferCoefficient = stk::mesh::field_data(*heatTransferCoefficient_, nodeR);
double *normalHeatFlux = stk::mesh::field_data(*normalHeatFlux_, nodeR);
double *robinCouplingParameter = stk::mesh::field_data(*robinCouplingParameter_, nodeR);
// offset for bip area vector and types of shape function
const int faceOffSet = ip*nDim;
const int offSetSF_face = ip*nodesPerFace;
// interpolate to bip
double thermalCondBip = 0.0;
double densityBip = 0.0;
double specificHeatBip = 0.0;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
thermalCondBip += r*p_thermalCond[ic];
densityBip += r*p_density[ic];
specificHeatBip += r*p_specificHeat[ic];
}
// handle flux due to on and off face in a single loop (on/off provided above)
double dndx = 0.0;
double dndxOn = 0.0;
double dndxOff = 0.0;
double invEltLen = 0.0;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const int offSetDnDx = nDim*nodesPerElement*ip + ic*nDim;
const double nodesOnFace = p_nodesOnFace[ic];
const double nodesOffFace = p_nodesOffFace[ic];
const double tempIC = p_temperature[ic];
for ( int j = 0; j < nDim; ++j ) {
const double axj = areaVec[faceOffSet+j];
const double dndxj = p_dndx[offSetDnDx+j];
const double dTdA = dndxj*axj*tempIC;
dndx += dTdA;
dndxOn += dTdA*nodesOnFace;
dndxOff += dTdA*nodesOffFace;
invEltLen += dndxj*axj*nodesOnFace;
}
}
// compute assembled area
double aMag = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double axj = areaVec[faceOffSet+j];
aMag += axj*axj;
}
aMag = std::sqrt(aMag);
double eltLen = aMag/invEltLen;
// compute coupling parameter
const double chi = densityBip * specificHeatBip * eltLen * eltLen
/ (2 * thermalCondBip * dt);
const double alpha = compute_coupling_parameter(thermalCondBip, eltLen, chi);
// assemble the nodal quantities
*assembledWallArea += aMag;
*normalHeatFlux -= thermalCondBip*dndx;
*referenceTemperature -= thermalCondBip*dndxOff;
*heatTransferCoefficient -= thermalCondBip*dndxOn;
*robinCouplingParameter += alpha*aMag;
}
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
AssembleMeshDisplacementElemSolverAlgorithm::execute()
{
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// space for LHS/RHS; nodesPerElem*nDim*nodesPerElem*nDim and nodesPerElem*nDim
std::vector<double> lhs;
std::vector<double> rhs;
std::vector<int> scratchIds;
std::vector<double> scratchVals;
std::vector<stk::mesh::Entity> connected_nodes;
// nodal fields to gather
std::vector<double> ws_displacementNp1;
std::vector<double> ws_coordinates;
std::vector<double> ws_modelCoordinates;
std::vector<double> ws_mu;
std::vector<double> ws_lambda;
// geometry related to populate
std::vector<double> ws_scs_areav;
std::vector<double> ws_dndx;
std::vector<double> ws_deriv;
std::vector<double> ws_det_j;
std::vector<double> ws_shape_function;
// deal with state
VectorFieldType &displacementNp1 = meshDisplacement_->field_of_state(stk::mesh::StateNP1);
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& elem_buckets =
realm_.get_buckets( stk::topology::ELEMENT_RANK, s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = elem_buckets.begin();
ib != elem_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
const stk::mesh::Bucket::size_type length = b.size();
// extract master element
MasterElement *meSCS = sierra::nalu::MasterElementRepo::get_surface_master_element(b.topology());
// extract master element specifics
const int nodesPerElement = meSCS->nodesPerElement_;
const int numScsIp = meSCS->numIntPoints_;
const int *lrscv = meSCS->adjacentNodes();
// resize some things; matrix related
const int lhsSize = nodesPerElement*nDim*nodesPerElement*nDim;
const int rhsSize = nodesPerElement*nDim;
lhs.resize(lhsSize);
rhs.resize(rhsSize);
scratchIds.resize(rhsSize);
scratchVals.resize(rhsSize);
connected_nodes.resize(nodesPerElement);
// algorithm related
ws_displacementNp1.resize(nodesPerElement*nDim);
ws_coordinates.resize(nodesPerElement*nDim);
ws_modelCoordinates.resize(nodesPerElement*nDim);
ws_mu.resize(nodesPerElement);
ws_lambda.resize(nodesPerElement);
ws_scs_areav.resize(numScsIp*nDim);
ws_dndx.resize(nDim*numScsIp*nodesPerElement);
ws_deriv.resize(nDim*numScsIp*nodesPerElement);
ws_det_j.resize(numScsIp);
ws_shape_function.resize(numScsIp*nodesPerElement);
// pointer to lhs/rhs
double *p_lhs = &lhs[0];
double *p_rhs = &rhs[0];
double *p_displacementNp1 = &ws_displacementNp1[0];
double *p_coordinates = &ws_coordinates[0];
double *p_modelCoordinates = &ws_modelCoordinates[0];
double *p_mu = &ws_mu[0];
double *p_lambda = &ws_lambda[0];
double *p_scs_areav = &ws_scs_areav[0];
double *p_dndx = &ws_dndx[0];
double *p_shape_function = &ws_shape_function[0];
// extract shape function
meSCS->shape_fcn(&p_shape_function[0]);
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// zero lhs/rhs
for ( int p = 0; p < lhsSize; ++p )
p_lhs[p] = 0.0;
for ( int p = 0; p < rhsSize; ++p )
p_rhs[p] = 0.0;
//===============================================
// gather nodal data; this is how we do it now..
//===============================================
stk::mesh::Entity const * node_rels = b.begin_nodes(k);
int num_nodes = b.num_nodes(k);
// sanity check on num nodes
ThrowAssert( num_nodes == nodesPerElement );
for ( int ni = 0; ni < num_nodes; ++ni ) {
stk::mesh::Entity node = node_rels[ni];
// set connected nodes
connected_nodes[ni] = node;
// pointers to real data
const double * dxNp1 = stk::mesh::field_data(displacementNp1, node);
const double * coords = stk::mesh::field_data(*coordinates_, node);
const double * modelCoords = stk::mesh::field_data(*modelCoordinates_, node);
const double mu = *stk::mesh::field_data(*mu_, node);
const double lambda = *stk::mesh::field_data(*lambda_, node);
// gather scalars
p_mu[ni] = mu;
p_lambda[ni] = lambda;
// gather vectors
const int niNdim = ni*nDim;
for ( int i=0; i < nDim; ++i ) {
p_displacementNp1[niNdim+i] = dxNp1[i];
p_coordinates[niNdim+i] = coords[i];
p_modelCoordinates[niNdim+i] = modelCoords[i];
}
}
// compute geometry
double scs_error = 0.0;
meSCS->determinant(1, &p_coordinates[0], &p_scs_areav[0], &scs_error);
// compute dndx; model coords or displaced?
if ( deformWrtModelCoords_ ) {
meSCS->grad_op(1, &p_modelCoordinates[0], &p_dndx[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
}
else {
meSCS->grad_op(1, &p_coordinates[0], &p_dndx[0], &ws_deriv[0], &ws_det_j[0], &scs_error);
}
for ( int ip = 0; ip < numScsIp; ++ip ) {
const int ipNdim = ip*nDim;
const int offSetSF = ip*nodesPerElement;
// left and right nodes for this ip
const int il = lrscv[2*ip];
const int ir = lrscv[2*ip+1];
// save off some offsets
const int ilNdim = il*nDim;
const int irNdim = ir*nDim;
// compute scs point values; offset to Shape Function; sneak in divU
double muIp = 0.0;
double lambdaIp = 0.0;
double divDx = 0.0;
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const double r = p_shape_function[offSetSF+ic];
muIp += r*p_mu[ic];
lambdaIp += r*p_lambda[ic];
const int offSetDnDx = nDim*nodesPerElement*ip + ic*nDim;
for ( int j = 0; j < nDim; ++j ) {
const double dxj = p_displacementNp1[ic*nDim+j];
divDx += dxj*p_dndx[offSetDnDx+j];
}
}
// assemble divDx term (explicit)
for ( int i = 0; i < nDim; ++i ) {
// divU stress term
const double divTerm = -lambdaIp*divDx*p_scs_areav[ipNdim+i];
const int indexL = ilNdim + i;
const int indexR = irNdim + i;
// right hand side; L and R
p_rhs[indexL] -= divTerm;
p_rhs[indexR] += divTerm;
}
// stress
for ( int ic = 0; ic < nodesPerElement; ++ic ) {
const int icNdim = ic*nDim;
for ( int i = 0; i < nDim; ++i ) {
const int indexL = ilNdim + i;
const int indexR = irNdim + i;
const int rowL = indexL*nodesPerElement*nDim;
const int rowR = indexR*nodesPerElement*nDim;
const int rLiC_i = rowL+icNdim+i;
const int rRiC_i = rowR+icNdim+i;
// viscous stress
const int offSetDnDx = nDim*nodesPerElement*ip + icNdim;
double lhs_riC_i = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double axj = p_scs_areav[ipNdim+j];
const double dxj = p_displacementNp1[icNdim+j];
// -mu*dxi/dxj*A_j; fixed i over j loop; see below..
const double lhsfacDiff_i = -muIp*p_dndx[offSetDnDx+j]*axj;
// lhs; il then ir
lhs_riC_i += lhsfacDiff_i;
// -mu*dxj/dxi*A_j
const double lhsfacDiff_j = -muIp*p_dndx[offSetDnDx+i]*axj;
// lhs; il then ir
p_lhs[rowL+icNdim+j] += lhsfacDiff_j;
p_lhs[rowR+icNdim+j] -= lhsfacDiff_j;
// rhs; il then ir
p_rhs[indexL] -= lhsfacDiff_j*dxj;
p_rhs[indexR] += lhsfacDiff_j*dxj;
}
// deal with accumulated lhs and flux for -mu*dxi/dxj*Aj
p_lhs[rLiC_i] += lhs_riC_i;
p_lhs[rRiC_i] -= lhs_riC_i;
const double dxi = p_displacementNp1[icNdim+i];
p_rhs[indexL] -= lhs_riC_i*dxi;
p_rhs[indexR] += lhs_riC_i*dxi;
}
}
}
apply_coeff(connected_nodes, scratchIds, scratchVals, rhs, lhs, __FILE__);
}
}
}
//--------------------------------------------------------------------------
//-------- execute ---------------------------------------------------------
//--------------------------------------------------------------------------
void
ComputeLowReynoldsSDRWallAlgorithm::execute()
{
stk::mesh::BulkData & bulk_data = realm_.bulk_data();
stk::mesh::MetaData & meta_data = realm_.meta_data();
const int nDim = meta_data.spatial_dimension();
// nodal fields to gather
std::vector<double> ws_density;
std::vector<double> ws_viscosity;
// master element
std::vector<double> ws_face_shape_function;
// deal with state
ScalarFieldType &densityNp1 = density_->field_of_state(stk::mesh::StateNP1);
// define vector of parent topos; should always be UNITY in size
std::vector<stk::topology> parentTopo;
// define some common selectors
stk::mesh::Selector s_locally_owned_union = meta_data.locally_owned_part()
&stk::mesh::selectUnion(partVec_);
stk::mesh::BucketVector const& face_buckets =
realm_.get_buckets( meta_data.side_rank(), s_locally_owned_union );
for ( stk::mesh::BucketVector::const_iterator ib = face_buckets.begin();
ib != face_buckets.end() ; ++ib ) {
stk::mesh::Bucket & b = **ib ;
// extract connected element topology
b.parent_topology(stk::topology::ELEMENT_RANK, parentTopo);
ThrowAssert ( parentTopo.size() == 1 );
stk::topology theElemTopo = parentTopo[0];
// extract master element
MasterElement *meSCS = realm_.get_surface_master_element(theElemTopo);
// face master element
MasterElement *meFC = realm_.get_surface_master_element(b.topology());
const int nodesPerFace = b.topology().num_nodes();
std::vector<int> face_node_ordinal_vec(nodesPerFace);
// algorithm related; element
ws_density.resize(nodesPerFace);
ws_viscosity.resize(nodesPerFace);
ws_face_shape_function.resize(nodesPerFace*nodesPerFace);
// pointers
double *p_density = &ws_density[0];
double *p_viscosity = &ws_viscosity[0];
double *p_face_shape_function = &ws_face_shape_function[0];
// shape functions
if ( useShifted_ )
meFC->shifted_shape_fcn(&p_face_shape_function[0]);
else
meFC->shape_fcn(&p_face_shape_function[0]);
const stk::mesh::Bucket::size_type length = b.size();
for ( stk::mesh::Bucket::size_type k = 0 ; k < length ; ++k ) {
// get face
stk::mesh::Entity face = b[k];
//======================================
// gather nodal data off of face
//======================================
stk::mesh::Entity const * face_node_rels = bulk_data.begin_nodes(face);
int num_face_nodes = bulk_data.num_nodes(face);
// sanity check on num nodes
ThrowAssert( num_face_nodes == nodesPerFace );
for ( int ni = 0; ni < num_face_nodes; ++ni ) {
stk::mesh::Entity node = face_node_rels[ni];
// gather scalars
p_density[ni] = *stk::mesh::field_data(densityNp1, node);
p_viscosity[ni] = *stk::mesh::field_data(*viscosity_, node);
}
// pointer to face data
const double * areaVec = stk::mesh::field_data(*exposedAreaVec_, face);
// extract the connected element to this exposed face; should be single in size!
const stk::mesh::Entity* face_elem_rels = bulk_data.begin_elements(face);
ThrowAssert( bulk_data.num_elements(face) == 1 );
// get element; its face ordinal number and populate face_node_ordinal_vec
stk::mesh::Entity element = face_elem_rels[0];
const int face_ordinal = bulk_data.begin_element_ordinals(face)[0];
theElemTopo.side_node_ordinals(face_ordinal, face_node_ordinal_vec.begin());
// get the relations off of element
stk::mesh::Entity const * elem_node_rels = bulk_data.begin_nodes(element);
// loop over face nodes
for ( int ip = 0; ip < num_face_nodes; ++ip ) {
const int offSetAveraVec = ip*nDim;
const int opposingNode = meSCS->opposingNodes(face_ordinal,ip);
const int nearestNode = face_node_ordinal_vec[ip];
// left and right nodes; right is on the face; left is the opposing node
stk::mesh::Entity nodeL = elem_node_rels[opposingNode];
stk::mesh::Entity nodeR = elem_node_rels[nearestNode];
// extract nodal fields
const double * coordL = stk::mesh::field_data(*coordinates_, nodeL );
const double * coordR = stk::mesh::field_data(*coordinates_, nodeR );
// aMag
double aMag = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double axj = areaVec[offSetAveraVec+j];
aMag += axj*axj;
}
aMag = std::sqrt(aMag);
// interpolate to bip
double rhoBip = 0.0;
double muBip = 0.0;
const int offSetSF_face = ip*nodesPerFace;
for ( int ic = 0; ic < nodesPerFace; ++ic ) {
const double r = p_face_shape_function[offSetSF_face+ic];
rhoBip += r*p_density[ic];
muBip += r*p_viscosity[ic];
}
const double nuBip = muBip/rhoBip;
// determine yp (approximated by 1/4 distance along edge)
double ypbip = 0.0;
for ( int j = 0; j < nDim; ++j ) {
const double nj = areaVec[offSetAveraVec+j]/aMag;
const double ej = 0.25*(coordR[j] - coordL[j]);
ypbip += nj*ej*nj*ej;
}
ypbip = std::sqrt(ypbip);
// compute low Re wall sdr
const double lowReSdr = wallFactor_*6.0*nuBip/betaOne_/ypbip/ypbip;
// assemble to nodal quantities; will normalize and assemble in driver
double * assembledWallArea = stk::mesh::field_data(*assembledWallArea_, nodeR );
double * sdrBc = stk::mesh::field_data(*sdrBc_, nodeR );
*assembledWallArea += aMag;
*sdrBc += lowReSdr*aMag;
}
}
}
}