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(); }