void TransportGradientPeriodic :: computeField(FloatArray &flux, TimeStep *tStep)
{
DofIDEquationNumbering pnum(true, grad_ids);
EngngModel *emodel = this->giveDomain()->giveEngngModel();
FloatArray tmp;
int npeq = grad_ids.giveSize();
// sigma = residual (since we use the slave dofs) = f_ext - f_int
flux.resize(npeq);
flux.zero();
emodel->assembleVector(flux, tStep, InternalForceAssembler(), VM_Total, pnum, this->domain);
tmp.resize(npeq);
tmp.zero();
emodel->assembleVector(tmp, tStep, ExternalForceAssembler(), VM_Total, pnum, this->domain);
flux.subtract(tmp);
// Divide by the RVE-volume
flux.times(1.0 / ( this->domainSize(this->giveDomain(), this->set) + this->domainSize(this->giveDomain(), this->masterSet) ));
}
void StaticStructural :: updateComponent(TimeStep *tStep, NumericalCmpn cmpn, Domain *d)
{
if ( cmpn == InternalRhs ) {
// Updates the solution in case it has changed
///@todo NRSolver should report when the solution changes instead of doing it this way.
this->field->update(VM_Total, tStep, this->solution, EModelDefaultEquationNumbering());
this->field->applyBoundaryCondition(tStep);///@todo Temporary hack to override the incorrect vavues that is set by "update" above. Remove this when that is fixed.
this->internalForces.zero();
this->assembleVector(this->internalForces, tStep, InternalForceAssembler(), VM_Total,
EModelDefaultEquationNumbering(), d, & this->eNorm);
this->updateSharedDofManagers(this->internalForces, EModelDefaultEquationNumbering(), InternalForcesExchangeTag);
internalVarUpdateStamp = tStep->giveSolutionStateCounter(); // Hack for linearstatic
} else if ( cmpn == NonLinearLhs ) {
this->stiffnessMatrix->zero();
this->assemble(*this->stiffnessMatrix, tStep, TangentAssembler(TangentStiffness), EModelDefaultEquationNumbering(), d);
} else {
OOFEM_ERROR("Unknown component");
}
}
void StokesFlow :: updateComponent(TimeStep *tStep, NumericalCmpn cmpn, Domain *d)
{
velocityPressureField->update(VM_Total, tStep, solutionVector, EModelDefaultEquationNumbering());
// update element stabilization
for ( auto &elem : d->giveElements() ) {
static_cast< FMElement * >( elem.get() )->updateStabilizationCoeffs(tStep);
}
if ( cmpn == InternalRhs ) {
this->internalForces.zero();
this->assembleVector(this->internalForces, tStep, InternalForceAssembler(), VM_Total,
EModelDefaultEquationNumbering(), d, & this->eNorm);
this->updateSharedDofManagers(this->internalForces, EModelDefaultEquationNumbering(), InternalForcesExchangeTag);
return;
} else if ( cmpn == NonLinearLhs ) {
this->stiffnessMatrix->zero();
this->assemble(*stiffnessMatrix, tStep, TangentAssembler(TangentStiffness),
EModelDefaultEquationNumbering(), d);
return;
} else {
OOFEM_ERROR("Unknown component");
}
}
void LinearStatic :: solveYourselfAt(TimeStep *tStep)
{
//
// creates system of governing eq's and solves them at given time step
//
// first assemble problem at current time step
if ( initFlag ) {
#ifdef VERBOSE
OOFEM_LOG_DEBUG("Assembling stiffness matrix\n");
#endif
//
// first step assemble stiffness Matrix
//
stiffnessMatrix.reset( classFactory.createSparseMtrx(sparseMtrxType) );
if ( !stiffnessMatrix ) {
OOFEM_ERROR("sparse matrix creation failed");
}
stiffnessMatrix->buildInternalStructure( this, 1, *this->giveEquationNumbering() );
this->assemble( *stiffnessMatrix, tStep, TangentAssembler(TangentStiffness),
*this->giveEquationNumbering(), this->giveDomain(1) );
initFlag = 0;
}
#ifdef VERBOSE
OOFEM_LOG_DEBUG("Assembling load\n");
#endif
//
// allocate space for displacementVector
//
displacementVector.resize( this->giveNumberOfDomainEquations( 1, *this->giveEquationNumbering() ) ); // km?? replace EModelDefaultEquationNumbering() with this->giveEquationNumbering(). Use pointer?
displacementVector.zero();
//
// assembling the load vector
//
loadVector.resize( this->giveNumberOfDomainEquations( 1, *this->giveEquationNumbering() ) );
loadVector.zero();
this->assembleVector( loadVector, tStep, ExternalForceAssembler(), VM_Total,
*this->giveEquationNumbering(), this->giveDomain(1) );
//
// internal forces (from Dirichlet b.c's, or thermal expansion, etc.)
//
FloatArray internalForces( this->giveNumberOfDomainEquations( 1, *this->giveEquationNumbering() ) );
internalForces.zero();
this->assembleVector( internalForces, tStep, InternalForceAssembler(), VM_Total,
*this->giveEquationNumbering(), this->giveDomain(1) );
loadVector.subtract(internalForces);
this->updateSharedDofManagers(loadVector, *this->giveEquationNumbering(), ReactionExchangeTag);
//
// set-up numerical model
//
this->giveNumericalMethod( this->giveMetaStep( tStep->giveMetaStepNumber() ) );
//
// call numerical model to solve arose problem
//
#ifdef VERBOSE
OOFEM_LOG_INFO("\n\nSolving ...\n\n");
#endif
NM_Status s = nMethod->solve(*stiffnessMatrix, loadVector, displacementVector);
if ( !( s & NM_Success ) ) {
OOFEM_ERROR("No success in solving system.");
}
tStep->incrementStateCounter(); // update solution state counter
}
void IncrementalLinearStatic :: solveYourselfAt(TimeStep *tStep)
{
Domain *d = this->giveDomain(1);
// Creates system of governing eq's and solves them at given time step
// >>> beginning PH
// The following piece of code updates assignment of boundary conditions to dofs
// (this allows to have multiple boundary conditions assigned to one dof
// which can be arbitrarily turned on and off in time)
// Almost the entire section has been copied from domain.C
std :: vector< std :: map< int, int > > dof_bc( d->giveNumberOfDofManagers() );
for ( int i = 1; i <= d->giveNumberOfBoundaryConditions(); ++i ) {
GeneralBoundaryCondition *gbc = d->giveBc(i);
if ( gbc->isImposed(tStep) ) {
if ( gbc->giveSetNumber() > 0 ) { ///@todo This will eventually not be optional.
// Loop over nodes in set and store the bc number in each dof.
Set *set = d->giveSet( gbc->giveSetNumber() );
ActiveBoundaryCondition *active_bc = dynamic_cast< ActiveBoundaryCondition * >(gbc);
BoundaryCondition *bc = dynamic_cast< BoundaryCondition * >(gbc);
if ( bc || ( active_bc && active_bc->requiresActiveDofs() ) ) {
const IntArray &appliedDofs = gbc->giveDofIDs();
const IntArray &nodes = set->giveNodeList();
for ( int inode = 1; inode <= nodes.giveSize(); ++inode ) {
for ( int idof = 1; idof <= appliedDofs.giveSize(); ++idof ) {
if ( dof_bc [ nodes.at(inode) - 1 ].find( appliedDofs.at(idof) ) == dof_bc [ nodes.at(inode) - 1 ].end() ) {
// is empty
dof_bc [ nodes.at(inode) - 1 ] [ appliedDofs.at(idof) ] = i;
DofManager * dofman = d->giveDofManager( nodes.at(inode) );
Dof * dof = dofman->giveDofWithID( appliedDofs.at(idof) );
dof->setBcId(i);
} else {
// another bc has been already prescribed at this time step to this dof
OOFEM_WARNING("More than one boundary condition assigned at time %f to node %d dof %d. Considering boundary condition %d", tStep->giveTargetTime(), nodes.at(inode), appliedDofs.at(idof), dof_bc [ nodes.at(inode) - 1 ] [appliedDofs.at(idof)] );
}
}
}
}
}
}
}
// to get proper number of equations
this->forceEquationNumbering();
// <<< end PH
// Initiates the total displacement to zero.
if ( tStep->isTheFirstStep() ) {
for ( auto &dofman : d->giveDofManagers() ) {
for ( Dof *dof: *dofman ) {
dof->updateUnknownsDictionary(tStep->givePreviousStep(), VM_Total, 0.);
dof->updateUnknownsDictionary(tStep, VM_Total, 0.);
}
}
for ( auto &bc : d->giveBcs() ) {
ActiveBoundaryCondition *abc;
if ( ( abc = dynamic_cast< ActiveBoundaryCondition * >(bc.get()) ) ) {
int ndman = abc->giveNumberOfInternalDofManagers();
for ( int i = 1; i <= ndman; i++ ) {
DofManager *dofman = abc->giveInternalDofManager(i);
for ( Dof *dof: *dofman ) {
dof->updateUnknownsDictionary(tStep->givePreviousStep(), VM_Total, 0.);
dof->updateUnknownsDictionary(tStep, VM_Total, 0.);
}
}
}
}
}
// Apply dirichlet b.c's on total values
for ( auto &dofman : d->giveDofManagers() ) {
for ( Dof *dof: *dofman ) {
double tot = dof->giveUnknown( VM_Total, tStep->givePreviousStep() );
if ( dof->hasBc(tStep) ) {
tot += dof->giveBcValue(VM_Incremental, tStep);
}
dof->updateUnknownsDictionary(tStep, VM_Total, tot);
}
}
int neq = this->giveNumberOfDomainEquations( 1, EModelDefaultEquationNumbering() );
#ifdef VERBOSE
OOFEM_LOG_RELEVANT("Solving [step number %8d, time %15e, equations %d]\n", tStep->giveNumber(), tStep->giveTargetTime(), neq);
#endif
if ( neq == 0 ) { // Allows for fully prescribed/empty problems.
return;
}
incrementOfDisplacementVector.resize(neq);
incrementOfDisplacementVector.zero();
#ifdef VERBOSE
OOFEM_LOG_INFO("Assembling load\n");
#endif
// Assembling the element part of load vector
internalLoadVector.resize(neq);
internalLoadVector.zero();
this->assembleVector( internalLoadVector, tStep, InternalForceAssembler(),
VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );
loadVector.resize(neq);
loadVector.zero();
this->assembleVector( loadVector, tStep, ExternalForceAssembler(),
VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );
loadVector.subtract(internalLoadVector);
this->updateSharedDofManagers(loadVector, EModelDefaultEquationNumbering(), ReactionExchangeTag);
#ifdef VERBOSE
OOFEM_LOG_INFO("Assembling stiffness matrix\n");
#endif
stiffnessMatrix.reset( classFactory.createSparseMtrx(sparseMtrxType) );
if ( !stiffnessMatrix ) {
OOFEM_ERROR("sparse matrix creation failed");
}
stiffnessMatrix->buildInternalStructure( this, 1, EModelDefaultEquationNumbering() );
stiffnessMatrix->zero();
this->assemble( *stiffnessMatrix, tStep, TangentAssembler(TangentStiffness),
EModelDefaultEquationNumbering(), this->giveDomain(1) );
#ifdef VERBOSE
OOFEM_LOG_INFO("Solving ...\n");
#endif
this->giveNumericalMethod( this->giveCurrentMetaStep() );
NM_Status s = nMethod->solve(*stiffnessMatrix, loadVector, incrementOfDisplacementVector);
if ( !( s & NM_Success ) ) {
OOFEM_ERROR("No success in solving system.");
}
}
void DDLinearStatic :: solveYourselfAt(TimeStep *tStep)
{
/**
* Perform DD
* Currently this is completely specific, but needs to be generalized
* by perhaps creating an DD_interface class to do set of functions
*/
/**************************************************************************/
int NumberOfDomains = this->giveNumberOfDomains();
// Loop through all the giveNumberOfDomains
for (int i = 1; i<= NumberOfDomains; i++) {
//Domain *domain = this->giveDomain(i);
/// Create a spatial localizer which in effect has services for locating points in element etc.
//SpatialLocalizer *sl = domain->giveSpatialLocalizer();
// Perform DD solution at this time step, solution will depend on quantities in the input file
/// @todo these have to be defined and initialized earlier
/// Each domain for the DD case can have only one material... throw error otherwise
//// Also the DD_domains should be intialized with these materials properties during input
//// Here i am just using values from input file for algorithmic convenience
/*
dd::OofemInterface * interface = new dd::OofemInterface(this);
*/
dd::Domain dd_domain(70e-3, 0.3, NULL);
dd::SlipSystem ss0 = dd::SlipSystem(0.0, 0.25e-3);
dd_domain.addSlipSystem(&ss0);
dd::SlipPlane sp0 = dd::SlipPlane(&dd_domain, &ss0, 0.0);
dd::ObstaclePoint o0 = dd::ObstaclePoint(&dd_domain, &sp0, -0.25, 20.0e3);
dd::ObstaclePoint o1 = dd::ObstaclePoint(&dd_domain, &sp0, 0.25, 20.0e3);
double e = dd_domain.getModulus();
double nu = dd_domain.getPassionsRatio();
double mu = e / (2. * ( 1. + nu));
double fact = mu * ss0.getBurgersMagnitude() / ( 2 * M_PI * (1. - nu));
dd::SourcePoint s1 = dd::SourcePoint(&dd_domain, &sp0, 0, 25e-6, fact / 25e-6);
for( dd_domain.dtNo = 1; dd_domain.dtNo < dd_domain.dtNomax; dd_domain.dtNo++) {
std::cerr << "Total dislocs in domain: " << sp0.getContainer<dd::DislocationPoint>().size() << "\n";
std::cerr << "Dislocs: " << sp0.dumpToString<dd::DislocationPoint>() << "\n";
std::cerr.flush();
dd_domain.updateForceCaches();
for(auto point : dd_domain.getContainer<dd::DislocationPoint>()) {
dd::Vector<2> force, forceGradient;
dd::Vector<3> stress;
force = dd::Vector<2>({0.0,0.0});
//point->sumCaches(force, forceGradient, stress);
force = point->cachedForce();
stress = point->cachedStress();
std::cout << "Cached Force at " << point->slipPlanePosition() << ": " << point->getBurgersSign() << " " << force[0] << " " << stress[2] << " " << point->slipPlanePosition() << "\n";
}
dd_domain.updateForceCaches();
dd_domain.moveDislocations(1.0e-11, 1.0e-18);
s1.spawn(1, 5);
/*
for(int bcNo = 1; bcNo <= giveDomain(i)->giveNumberOfBoundaryConditions(); bcNo++) {
ManualBoundaryCondition * bc = dynamic_cast<ManualBoundaryCondition *>(giveDomain(i)->giveBc(bcNo));
if(bc == nullptr || bc->giveType() != DirichletBT) { continue; }
dd::Vector<2> bcContribution;
Domain * d = bc->giveDomain();
Set * set = d->giveSet(bc->giveSetNumber());
for(int nodeNo : set->giveNodeList()) {
Node * node = static_cast<Node *>(d->giveDofManager(nodeNo));
for (auto &dofid : bc->giveDofIDs()) {
Dof * dof = node->giveDofWithID(dofid);
interface->giveNodalBcContribution(node, bcContribution);
// TODO: Determine the dimensions without pointer checking
double toAdd;
if(dof->giveDofID() == D_u) {
toAdd = bcContribution[0];
}
else if(dof->giveDofID() == D_v) {
toAdd = bcContribution[1];
}
else {
OOFEM_ERROR("DOF must be x-disp or y-disp");
}
bc->addManualValue(dof, toAdd);
}
}
std::cout << "BC Contribution: " << bcContribution[0] << " " << bcContribution[1] << "\n";
}
*/
//delete interface;
} // end dtNo loop
}
/**************************************************************************/
//
// creates system of governing eq's and solves them at given time step
//
// first assemble problem at current time step
if ( initFlag ) {
#ifdef VERBOSE
OOFEM_LOG_DEBUG("Assembling stiffness matrix\n");
#endif
//
// first step assemble stiffness Matrix
//
stiffnessMatrix.reset( classFactory.createSparseMtrx(sparseMtrxType) );
if ( !stiffnessMatrix ) {
OOFEM_ERROR("sparse matrix creation failed");
}
stiffnessMatrix->buildInternalStructure( this, 1, EModelDefaultEquationNumbering() );
this->assemble( *stiffnessMatrix, tStep, TangentAssembler(TangentStiffness),
EModelDefaultEquationNumbering(), this->giveDomain(1) );
initFlag = 0;
}
#ifdef VERBOSE
OOFEM_LOG_DEBUG("Assembling load\n");
#endif
//
// allocate space for displacementVector
//
displacementVector.resize( this->giveNumberOfDomainEquations( 1, EModelDefaultEquationNumbering() ) );
displacementVector.zero();
//
// assembling the load vector
//
loadVector.resize( this->giveNumberOfDomainEquations( 1, EModelDefaultEquationNumbering() ) );
loadVector.zero();
this->assembleVector( loadVector, tStep, ExternalForceAssembler(), VM_Total,
EModelDefaultEquationNumbering(), this->giveDomain(1) );
//
// internal forces (from Dirichlet b.c's, or thermal expansion, etc.)
//
FloatArray internalForces( this->giveNumberOfDomainEquations( 1, EModelDefaultEquationNumbering() ) );
internalForces.zero();
this->assembleVector( internalForces, tStep, InternalForceAssembler(), VM_Total,
EModelDefaultEquationNumbering(), this->giveDomain(1) );
loadVector.subtract(internalForces);
this->updateSharedDofManagers(loadVector, EModelDefaultEquationNumbering(), ReactionExchangeTag);
//
// set-up numerical model
//
this->giveNumericalMethod( this->giveMetaStep( tStep->giveMetaStepNumber() ) );
//
// call numerical model to solve arose problem
//
#ifdef VERBOSE
OOFEM_LOG_INFO("\n\nSolving ...\n\n");
#endif
NM_Status s = nMethod->solve(*stiffnessMatrix, loadVector, displacementVector);
if ( !( s & NM_Success ) ) {
OOFEM_ERROR("No success in solving system.");
}
tStep->incrementStateCounter(); // update solution state counter
}
void StaticStructural :: solveYourselfAt(TimeStep *tStep)
{
int neq;
int di = 1;
this->field->advanceSolution(tStep);
this->field->applyBoundaryCondition(tStep); ///@todo Temporary hack, advanceSolution should apply the boundary conditions directly.
neq = this->giveNumberOfDomainEquations( di, EModelDefaultEquationNumbering() );
if (tStep->giveNumber()==1) {
this->field->initialize(VM_Total, tStep, this->solution, EModelDefaultEquationNumbering() );
} else {
this->field->initialize(VM_Total, tStep->givePreviousStep(), this->solution, EModelDefaultEquationNumbering() );
this->field->update(VM_Total, tStep, this->solution, EModelDefaultEquationNumbering() );
}
this->field->applyBoundaryCondition(tStep); ///@todo Temporary hack to override the incorrect values that is set by "update" above. Remove this when that is fixed.
FloatArray incrementOfSolution(neq), externalForces(neq);
// Create "stiffness matrix"
if ( !this->stiffnessMatrix ) {
this->stiffnessMatrix.reset( classFactory.createSparseMtrx(sparseMtrxType) );
if ( !this->stiffnessMatrix ) {
OOFEM_ERROR("Couldn't create requested sparse matrix of type %d", sparseMtrxType);
}
this->stiffnessMatrix->buildInternalStructure( this, di, EModelDefaultEquationNumbering() );
}
this->internalForces.resize(neq);
this->giveNumericalMethod( this->giveCurrentMetaStep() );
this->initMetaStepAttributes( this->giveCurrentMetaStep() );
if ( this->initialGuessType == IG_Tangent ) {
OOFEM_LOG_RELEVANT("Computing initial guess\n");
FloatArray extrapolatedForces(neq);
this->assembleExtrapolatedForces( extrapolatedForces, tStep, TangentStiffnessMatrix, this->giveDomain(di) );
extrapolatedForces.negated();
///@todo Need to find a general way to support this before enabling it by default.
//this->assembleVector(extrapolatedForces, tStep, LinearizedDilationForceAssembler(), VM_Incremental, EModelDefaultEquationNumbering(), this->giveDomain(di) );
#if 0
// Some debug stuff:
extrapolatedForces.printYourself("extrapolatedForces");
this->internalForces.zero();
this->assembleVectorFromElements(this->internalForces, tStep, InternalForceAssembler(), VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(di));
this->internalForces.printYourself("internal forces");
#endif
OOFEM_LOG_RELEVANT("Computing old tangent\n");
this->updateComponent( tStep, NonLinearLhs, this->giveDomain(di) );
SparseLinearSystemNM *linSolver = nMethod->giveLinearSolver();
OOFEM_LOG_RELEVANT("Solving for increment\n");
linSolver->solve(*stiffnessMatrix, extrapolatedForces, incrementOfSolution);
OOFEM_LOG_RELEVANT("Initial guess found\n");
this->solution.add(incrementOfSolution);
this->field->update(VM_Total, tStep, this->solution, EModelDefaultEquationNumbering());
this->field->applyBoundaryCondition(tStep); ///@todo Temporary hack to override the incorrect values that is set by "update" above. Remove this when that is fixed.
} else if ( this->initialGuessType != IG_None ) {
OOFEM_ERROR("Initial guess type: %d not supported", initialGuessType);
} else {
incrementOfSolution.zero();
}
// Build initial/external load
externalForces.zero();
this->assembleVector( externalForces, tStep, ExternalForceAssembler(), VM_Total,
EModelDefaultEquationNumbering(), this->giveDomain(1) );
this->updateSharedDofManagers(externalForces, EModelDefaultEquationNumbering(), LoadExchangeTag);
if ( this->giveProblemScale() == macroScale ) {
OOFEM_LOG_INFO("\nStaticStructural :: solveYourselfAt - Solving step %d, metastep %d, (neq = %d)\n", tStep->giveNumber(), tStep->giveMetaStepNumber(), neq);
}
double loadLevel;
int currentIterations;
NM_Status status = this->nMethod->solve(*this->stiffnessMatrix,
externalForces,
NULL,
this->solution,
incrementOfSolution,
this->internalForces,
this->eNorm,
loadLevel, // Only relevant for incrementalBCLoadVector?
SparseNonLinearSystemNM :: rlm_total,
currentIterations,
tStep);
if ( !( status & NM_Success ) ) {
OOFEM_ERROR("No success in solving problem");
}
}
void NonStationaryTransportProblem :: solveYourselfAt(TimeStep *tStep)
{
// Creates system of governing eq's and solves them at given tStep
// The solution is stored in UnknownsField. If the problem is growing/decreasing, the UnknownsField is projected on DoFs when needed.
// If equations are not renumbered, the algorithm is efficient without projecting unknowns to DoFs (nodes).
//Right hand side
FloatArray rhs;
TimeStep *icStep = this->giveSolutionStepWhenIcApply();
int neq = this->giveNumberOfDomainEquations( 1, EModelDefaultEquationNumbering() );
#ifdef VERBOSE
OOFEM_LOG_RELEVANT( "Solving [step number %8d, time %15e]\n", tStep->giveNumber(), tStep->giveTargetTime() );
#endif
//Solution at the first time step needs history. Therefore, return back one time increment and create it.
if ( tStep->isTheFirstStep() ) {
bcRhs.resize(neq); //rhs vector from solution step i-1
bcRhs.zero();
this->applyIC(icStep);
//project initial conditions to have temporary temperature in integration points
//edge or surface load on elements
//add internal source vector on elements
this->assembleVectorFromElements( bcRhs, icStep, TransportExternalForceAssembler(),
VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );
//add prescribed value, such as temperature, on nodes
this->assembleDirichletBcRhsVector( bcRhs, icStep, VM_Total,
EModelDefaultEquationNumbering(), this->giveDomain(1) );
//add nodal load
this->assembleVectorFromDofManagers( bcRhs, icStep, ExternalForceAssembler(),
VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );
}
//Create a new lhs matrix if necessary
if ( tStep->isTheFirstStep() || this->changingProblemSize ) {
conductivityMatrix.reset( classFactory.createSparseMtrx(sparseMtrxType) );
if ( !conductivityMatrix ) {
OOFEM_ERROR("sparse matrix creation failed");
}
conductivityMatrix->buildInternalStructure( this, 1, EModelDefaultEquationNumbering() );
#ifdef VERBOSE
OOFEM_LOG_INFO("Assembling conductivity and capacity matrices\n");
#endif
//Add contribution of alpha*K+C/dt (where K has contributions from conductivity and neumann b.c.s)
this->assemble( *conductivityMatrix, icStep, MidpointLhsAssembler(lumpedCapacityStab, alpha),
EModelDefaultEquationNumbering(), this->giveDomain(1) );
}
//get the previous Rhs vector
if ( !tStep->isTheFirstStep() && this->changingProblemSize ) {
UnknownsField->initialize( VM_RhsTotal, tStep, bcRhs, EModelDefaultEquationNumbering() );
}
//prepare position in UnknownsField to store the results
UnknownsField->advanceSolution(tStep);
FloatArray *solutionVector = UnknownsField->giveSolutionVector(tStep);
solutionVector->resize(neq);
solutionVector->zero();
#ifdef VERBOSE
OOFEM_LOG_INFO("Assembling rhs\n");
#endif
// assembling load from elements
rhs = bcRhs;
rhs.times(1. - alpha);
bcRhs.zero();
//boundary conditions evaluated at targetTime
this->assembleVectorFromElements( bcRhs, tStep, TransportExternalForceAssembler(),
VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );
this->assembleDirichletBcRhsVector( bcRhs, tStep, VM_Total,
EModelDefaultEquationNumbering(), this->giveDomain(1) );
// assembling load from nodes
this->assembleVectorFromDofManagers( bcRhs, tStep, InternalForceAssembler(), VM_Total,
EModelDefaultEquationNumbering(), this->giveDomain(1) );
for ( int i = 1; i <= neq; i++ ) {
rhs.at(i) += bcRhs.at(i) * alpha;
}
// add the rhs part depending on previous solution
assembleAlgorithmicPartOfRhs( rhs, EModelDefaultEquationNumbering(), tStep->givePreviousStep() );
// set-up numerical model
this->giveNumericalMethod( this->giveCurrentMetaStep() );
//
// call numerical model to solve arised problem
//
#ifdef VERBOSE
OOFEM_LOG_INFO("Solving ...\n");
#endif
UnknownsField->giveSolutionVector(tStep)->resize(neq);
linSolver->solve(*conductivityMatrix, rhs, *UnknownsField->giveSolutionVector(tStep) );
// update solution state counter
tStep->incrementStateCounter();
}
