//----------------------------------------------------------------------------
//
// Random fracture criterion function.
//
bool
RandomCriterion::computeFractureCriterion(stk_classic::mesh::Entity& entity, double p) {
// Fracture only defined on the boundary of the elements
stk_classic::mesh::EntityRank rank = entity.entity_rank();
assert(rank == num_dim_ - 1);
stk_classic::mesh::PairIterRelation neighbor_elems =
entity.relations(element_rank_);
// Need an element on each side
if(neighbor_elems.size() != 2)
return false;
bool is_open = false;
// All we need to do is generate a number between 0 and 1
double random = 0.5 + 0.5 * Teuchos::ScalarTraits<double>::random();
if(random < p) {
is_open = true;
}
return is_open;
}
void
createNewElements(percept::PerceptMesh& eMesh, NodeRegistry& nodeRegistry,
stk_classic::mesh::Entity& element, NewSubEntityNodesType& new_sub_entity_nodes, vector<stk_classic::mesh::Entity *>::iterator& element_pool,
stk_classic::mesh::FieldBase *proc_rank_field=0)
{
const CellTopologyData * const cell_topo_data = stk_classic::percept::PerceptMesh::get_cell_topology(element);
typedef boost::tuple<stk_classic::mesh::EntityId, stk_classic::mesh::EntityId, stk_classic::mesh::EntityId> tri_tuple_type;
static vector<tri_tuple_type> elems(4);
CellTopology cell_topo(cell_topo_data);
const stk_classic::mesh::PairIterRelation elem_nodes = element.relations(stk_classic::mesh::fem::FEMMetaData::NODE_RANK);
//stk_classic::mesh::Part & active = mesh->ActivePart();
//stk_classic::mesh::Part & quad4 = mesh->QuadPart();
std::vector<stk_classic::mesh::Part*> add_parts;
std::vector<stk_classic::mesh::Part*> remove_parts;
add_parts = m_toParts;
//std::cout << "P["<< m_eMesh.get_rank() << "] add_parts = " << add_parts << std::endl;
stk_classic::mesh::EntityRank my_rank = m_primaryEntityRank;
nodeRegistry.makeCentroidCoords(*const_cast<stk_classic::mesh::Entity *>(&element), my_rank, 0u);
nodeRegistry.addToExistingParts(*const_cast<stk_classic::mesh::Entity *>(&element), my_rank, 0u);
nodeRegistry.interpolateFields(*const_cast<stk_classic::mesh::Entity *>(&element), my_rank, 0u);
#define CENTROID_N NN(m_primaryEntityRank, 0)
elems[0] = tri_tuple_type(VERT_N(0), VERT_N(1), CENTROID_N);
elems[1] = tri_tuple_type(VERT_N(1), VERT_N(2), CENTROID_N);
elems[2] = tri_tuple_type(VERT_N(2), VERT_N(3), CENTROID_N);
elems[3] = tri_tuple_type(VERT_N(3), VERT_N(0), CENTROID_N);
#undef CENTROID_N
// write a diagram of the refinement pattern as a vtk file, or a latex/tikz/pgf file
#define WRITE_DIAGRAM 0
#if WRITE_DIAGRAM
/**
\node[above] at (p4.side 1){2};
\node[left] at (p4.side 2){3};
\node[below] at (p4.side 3){0};
\node[right] at (p4.side 4){1};
*/
#endif
for (unsigned ielem=0; ielem < elems.size(); ielem++)
{
stk_classic::mesh::Entity& newElement = *(*element_pool);
//std::cout << "P["<< m_eMesh.get_rank() << "] urp tmp 3 " << proc_rank_field << std::endl;
if (proc_rank_field && element.entity_rank() == m_eMesh.element_rank())
{
double *fdata = stk_classic::mesh::field_data( *static_cast<const ScalarFieldType *>(proc_rank_field) , newElement );
fdata[0] = double(newElement.owner_rank());
}
//std::cout << "P["<< m_eMesh.get_rank() << "] urp tmp 4 " << std::endl;
change_entity_parts(eMesh, element, newElement);
//std::cout << "P["<< m_eMesh.get_rank() << "] urp tmp 5 " << std::endl;
{
if (!elems[ielem].get<0>())
{
std::cout << "P[" << eMesh.get_rank() << " nid = 0 << " << std::endl;
exit(1);
}
}
//std::cout << "P["<< m_eMesh.get_rank() << "] urp tmp 6 " << std::endl;
eMesh.get_bulk_data()->declare_relation(newElement, eMesh.createOrGetNode(elems[ielem].get<0>()), 0);
eMesh.get_bulk_data()->declare_relation(newElement, eMesh.createOrGetNode(elems[ielem].get<1>()), 1);
eMesh.get_bulk_data()->declare_relation(newElement, eMesh.createOrGetNode(elems[ielem].get<2>()), 2);
//std::cout << "P["<< m_eMesh.get_rank() << "] urp tmp 7 " << std::endl;
set_parent_child_relations(eMesh, element, newElement, ielem);
element_pool++;
}
}
bool helperSubDim(const stk_classic::mesh::Entity& child_element, stk_classic::mesh::FieldBase *field, const mesh::BulkData& bulkData)
{
EXCEPTWATCH;
const CellTopologyData * const child_cell_topo_data = stk_classic::percept::PerceptMesh::get_cell_topology(child_element);
CellTopology child_cell_topo(child_cell_topo_data);
int child_cell_dimension = child_cell_topo.getDimension();
int meta_dimension = mesh::fem::FEMMetaData::get_meta_data(mesh::fem::FEMMetaData::get(bulkData)).get_spatial_dimension();
// for now, only allow face (or edge)
VERIFY_OP_ON(child_cell_dimension, ==, meta_dimension - 1, "Dimensions don't match");
VectorFieldType& coord_field = *(mesh::fem::FEMMetaData::get(bulkData)).get_field<VectorFieldType>("coordinates");
// FIXME for fields not on a Node
unsigned nDOF = m_nDOFs;
unsigned nCells = PerceptMesh::size1(child_element);
m_count_elems += nCells;
typedef IntrepidManager IM;
unsigned cubDegree = m_cubDegree;
const stk_classic::mesh::PairIterRelation parent_elements = child_element.relations(child_element.entity_rank() + 1);
VERIFY_OP_ON(parent_elements.size(), ==, 1, "cant find parent");
const stk_classic::mesh::Entity& element = *parent_elements[0].entity();
unsigned i_face = parent_elements[0].identifier();
const CellTopologyData * const cell_topo_data = stk_classic::percept::PerceptMesh::get_cell_topology(element);
CellTopology cell_topo(cell_topo_data);
int cell_dimension = cell_topo.getDimension();
VERIFY_OP_ON(cell_dimension, ==, meta_dimension , "Dimensions don't match");
IM im(Elements_Tag(nCells), cell_topo, cubDegree);
IM imChild(Elements_Tag(nCells), child_cell_topo, cubDegree);
unsigned numCubPoints_child = imChild.m_cub->getNumPoints();
im.m_Cub_Points_Tag = Cub_Points_Tag(numCubPoints_child);
if (0)
{
std::cout << "numCubPoints_child= " << numCubPoints_child
<< " parent rank= " << element.entity_rank()
<< " parent topo= " << cell_topo.getName()
<< std::endl;
}
// FIXME
im.m_DOFs_Tag.num = m_nDOFs;
// FIXME
// _c suffix is for the child (face) element
IM::Jacobian J (im);
IM::FaceNormal fn (im);
//IM::JacobianDet dJ (im);
IM::CubaturePoints xi (im);
IM::CubaturePoints xi_c (imChild);
IM::CellWorkSet cn (im);
IM::CubatureWeights wt (im);
IM::CubatureWeights wt_c (imChild);
IM::PhysicalCoords pc (im);
IM::IntegrandValues iv (im);
IM::IntegrandValuesDOF ivD (im);
IM::Integral Io (im);
IM::Bases Nb (im);
IM::WeightedMeasure wXfn (im);
IM::FieldValues fv (im);
imChild.m_cub->getCubature(xi_c, wt_c);
unsigned spaceDim = im.m_Spatial_Dim_Tag.num;
PerceptMesh::fillCellNodes(element, &coord_field, cn, spaceDim);
// get parent cell integration points
// Map Gauss points on quad to reference face: paramGaussPoints -> refGaussPoints
Intrepid::CellTools<double>::mapToReferenceSubcell(xi,
xi_c,
2, i_face, cell_topo); // FIXME magic
// get jacobian
J(xi, cn, cell_topo);
//dJ(J);
//shards::ArrayVector<double, shards::NaturalOrder, Elements_Tag, Cub_Points_Tag > fn_Norm;
// FIXME
//fn(J, i_face, cell_topo);
MDArray J_mda;
J.copyTo(J_mda);
MDArray fn_mda(im.m_Elements_Tag.num, numCubPoints_child, spaceDim);
Intrepid::CellTools<double>::getPhysicalFaceNormals(fn_mda, J_mda, i_face, cell_topo);
/// get norm of fn
for (int icell = 0; icell < im.m_Elements_Tag.num; icell++)
{
for (int ipt = 0; ipt < (int)numCubPoints_child; ipt++)
{
double sum = 0.0;
for (int i = 0; i < (int)spaceDim; i++)
{
sum += square(fn_mda(icell, ipt, i));
}
wXfn(icell, ipt) = std::sqrt(sum) * wt_c(ipt);
}
}
if (0)
{
using namespace shards;
//std::cout << "dJ= \n" << dJ << std::endl;
std::cout << "wXfn= \n" << wXfn << std::endl;
std::cout << "xi= \n" << xi << std::endl;
std::cout << "wt= \n" << wt << std::endl;
std::cout << "cn= \n" << cn << std::endl;
Util::setDoPause(true);
Util::pause(true);
}
// get physical coordinates at integration points
pc(cn, xi);
// get bases
#if 1
// FIXME
MDArray xi_mda;
xi.copyTo(xi_mda);
Nb(element, xi_mda);
#else
Nb(element, xi);
#endif
// apply integrand (right now we have MDArray hard-coded... FIXME - templatize on its type)
// it should look like this (one instead of multiple lines):
#if 0
m_integrand(pc, v);
#else
MDArray pc_mda;
pc.copyTo(pc_mda);
std::vector<int> ivDims;
ivD.dimensions( ivDims);
/// NOTE: m_integrand requires the ranks of in/out MDArrays to be such that out_rank >= in_rank
/// Thus, we use IntegrandValuesDOF with [DOF] = 1, and then copy the result to IntegrandValues
/// which does not have the additional rightmost DOF index (Intrepid doesn't have the concept of
/// DOF's, it works on scalars only for the integration routines, or at least that's how I understand
/// it currently.
// create an array that stk_classic::percept::Function will like to hold the results
ivDims[ivDims.size()-1] = m_nDOFs;
MDArray iv_mda ( Teuchos::Array<int>(ivDims.begin(), ivDims.end()));
if (m_turboOpt == TURBO_ELEMENT || m_turboOpt == TURBO_BUCKET)
{
m_integrand(pc_mda, iv_mda, element, xi_mda);
}
else
{
m_integrand(pc_mda, iv_mda);
}
// now, copy from the results to an array that Intrepid::integrate will like
#endif
for (unsigned iDof = 0; iDof < nDOF; iDof++)
{
iv.copyFrom(im, iv_mda, iDof);
// get the integral
if (m_accumulation_type == ACCUMULATE_SUM)
{
Io(iv, wXfn, Intrepid::COMP_BLAS);
}
//optional design:
//
// Io(integrand(pc_mda, v), wXdJ(w, dJ(J(xi, c, cell_topo)), Intrepid::COMP_BLAS);
for (unsigned iCell = 0; iCell < nCells; iCell++)
{
// if (Util::getFlag(0))
// {
// std::cout << "tmp Io(iCell)= " << Io(iCell) << std::endl;
// Util::pause(true, "Io(iCell)");
// }
if (m_accumulation_type == ACCUMULATE_SUM)
{
m_accumulation_buffer[iDof] += Io(iCell);
}
else if (m_accumulation_type == ACCUMULATE_MAX)
{
double valIo = 0.0;
for (int ivpts = 0; ivpts < iv.dimension(1); ivpts++)
{
valIo = std::max(valIo, iv((int)iCell, ivpts));
}
//std::cout << "m_accumulation_buffer[iDof] = " << m_accumulation_buffer[iDof] << " valIO= " << valIo << std::endl;
m_accumulation_buffer[iDof] = std::max(m_accumulation_buffer[iDof], valIo);
}
}
}
return false;
}