int IncrementalIntegrator::formTangent(int statFlag) { int result = 0; statusFlag = statFlag; if (theAnalysisModel == 0 || theSOE == 0) { opserr << "WARNING IncrementalIntegrator::formTangent() -"; opserr << " no AnalysisModel or LinearSOE have been set\n"; return -1; } // zero the A matrix of the linearSOE theSOE->zeroA(); // the loops to form and add the tangents are broken into two for // efficiency when performing parallel computations - CHANGE // loop through the FE_Elements adding their contributions to the tangent FE_Element *elePtr; FE_EleIter &theEles2 = theAnalysisModel->getFEs(); while((elePtr = theEles2()) != 0) if (theSOE->addA(elePtr->getTangent(this),elePtr->getID()) < 0) { opserr << "WARNING IncrementalIntegrator::formTangent -"; opserr << " failed in addA for ID " << elePtr->getID(); result = -3; } return result; }
void BandArpackSolver::myMv(int n, double *v, double *result) { Vector x(v, n); Vector y(result,n); y.Zero(); AnalysisModel *theAnalysisModel = theSOE->theModel; // loop over the FE_Elements FE_Element *elePtr; FE_EleIter &theEles = theAnalysisModel->getFEs(); while((elePtr = theEles()) != 0) { const Vector &b = elePtr->getM_Force(x, 1.0); y.Assemble(b, elePtr->getID(), 1.0); } // loop over the DOF_Groups DOF_Group *dofPtr; DOF_GrpIter &theDofs = theAnalysisModel->getDOFs(); Integrator *theIntegrator = 0; while ((dofPtr = theDofs()) != 0) { const Vector &a = dofPtr->getM_Force(x,1.0); y.Assemble(a,dofPtr->getID(),1.0); } }
int IncrementalIntegrator::doMv(const Vector &v, Vector &res) { int n = v.Size(); if (isDiagonal == true) { for (int i=0; i<n; i++) res[i] = diagMass[i]*v[i]; return 0; } res.Zero(); // loop over the FE_Elements FE_Element *elePtr; FE_EleIter &theEles = theAnalysisModel->getFEs(); while((elePtr = theEles()) != 0) { const Vector &b = elePtr->getM_Force(v, 1.0); res.Assemble(b, elePtr->getID(), 1.0); } // loop over the DOF_Groups DOF_Group *dofPtr; DOF_GrpIter &theDofs = theAnalysisModel->getDOFs(); while ((dofPtr = theDofs()) != 0) { const Vector &a = dofPtr->getM_Force(v, 1.0); res.Assemble(a, dofPtr->getID(), 1.0); } return 0; }
int RitzIntegrator::formM() { if (theAnalysisModel == 0 || theSOE == 0) { opserr << "WARNING RitzIntegrator::formM -"; opserr << " no AnalysisModel or EigenSOE has been set\n"; return -1; } // the loops to form and add the tangents are broken into two for // efficiency when performing parallel computations // loop through the FE_Elements getting them to form the tangent // FE_EleIter &theEles1 = theAnalysisModel->getFEs(); FE_Element *elePtr; flagK = 1; theSOE->zeroM(); // while((elePtr = theEles1()) != 0) // elePtr->formTangent(this); // loop through the FE_Elements getting them to add the tangent int result = 0; FE_EleIter &theEles2 = theAnalysisModel->getFEs(); while((elePtr = theEles2()) != 0) { if (theSOE->addM(elePtr->getTangent(this), elePtr->getID()) < 0) { opserr << "WARNING RitzIntegrator::formM -"; opserr << " failed in addM for ID " << elePtr->getID(); result = -2; } } DOF_Group *dofPtr; DOF_GrpIter &theDofs = theAnalysisModel->getDOFs(); while((dofPtr = theDofs()) != 0) { // dofPtr->formTangent(this); if (theSOE->addM(dofPtr->getTangent(this),dofPtr->getID()) < 0) { opserr << "WARNING RitzIntegrator::formM -"; opserr << " failed in addM for ID " << dofPtr->getID(); result = -3; } } return result; }
int IncrementalIntegrator::formElementResidual(void) { // loop through the FE_Elements and add the residual FE_Element *elePtr; int res = 0; FE_EleIter &theEles2 = theAnalysisModel->getFEs(); while((elePtr = theEles2()) != 0) { if (theSOE->addB(elePtr->getResidual(this),elePtr->getID()) <0) { opserr << "WARNING IncrementalIntegrator::formElementResidual -"; opserr << " failed in addB for ID " << elePtr->getID(); res = -2; } } return res; }
int AlphaOSGeneralized::formElementResidual(void) { // calculate Residual Force AnalysisModel *theModel = this->getAnalysisModel(); LinearSOE *theSOE = this->getLinearSOE(); // loop through the FE_Elements and add the residual FE_Element *elePtr; FE_EleIter &theEles = theModel->getFEs(); while((elePtr = theEles()) != 0) { if (theSOE->addB(elePtr->getResidual(this), elePtr->getID()) < 0) { opserr << "WARNING AlphaOSGeneralized::formElementResidual -"; opserr << " failed in addB for ID " << elePtr->getID(); return -1; } if (alphaF < 1.0) { if (statusFlag == CURRENT_TANGENT) { if (theSOE->addB(elePtr->getK_Force(*Ut-*Upt), elePtr->getID(), alphaF-1.0) < 0) { opserr << "WARNING AlphaOSGeneralized::formElementResidual -"; opserr << " failed in addB for ID " << elePtr->getID(); return -2; } } else if (statusFlag == INITIAL_TANGENT) { if (theSOE->addB(elePtr->getKi_Force(*Ut-*Upt), elePtr->getID(), alphaF-1.0) < 0) { opserr << "WARNING AlphaOSGeneralized::formElementResidual -"; opserr << " failed in addB for ID " << elePtr->getID(); return -2; } } } } return 0; }
int TransientIntegrator::formTangent(int statFlag) { int result = 0; statusFlag = statFlag; LinearSOE *theLinSOE = this->getLinearSOE(); AnalysisModel *theModel = this->getAnalysisModel(); if (theLinSOE == 0 || theModel == 0) { opserr << "WARNING TransientIntegrator::formTangent() "; opserr << "no LinearSOE or AnalysisModel has been set\n"; return -1; } // the loops to form and add the tangents are broken into two for // efficiency when performing parallel computations theLinSOE->zeroA(); // loop through the DOF_Groups and add the unbalance DOF_GrpIter &theDOFs = theModel->getDOFs(); DOF_Group *dofPtr; while ((dofPtr = theDOFs()) != 0) { if (theLinSOE->addA(dofPtr->getTangent(this),dofPtr->getID()) <0) { opserr << "TransientIntegrator::formTangent() - failed to addA:dof\n"; result = -1; } } // loop through the FE_Elements getting them to add the tangent FE_EleIter &theEles2 = theModel->getFEs(); FE_Element *elePtr; while((elePtr = theEles2()) != 0) { if (theLinSOE->addA(elePtr->getTangent(this),elePtr->getID()) < 0) { opserr << "TransientIntegrator::formTangent() - failed to addA:ele\n"; result = -2; } } return result; }
int DirectIntegrationAnalysis::eigen(int numMode, bool generalized) { if (theAnalysisModel == 0 || theEigenSOE == 0) { opserr << "WARNING DirectIntegrationAnalysis::eigen() - no EigenSOE has been set\n"; return -1; } int result = 0; Domain *the_Domain = this->getDomainPtr(); result = theAnalysisModel->eigenAnalysis(numMode, generalized); int stamp = the_Domain->hasDomainChanged(); if (stamp != domainStamp) { domainStamp = stamp; result = this->domainChanged(); if (result < 0) { opserr << "DirectIntegrationAnalysis::eigen() - domainChanged failed"; return -1; } } // // zero A and M // theEigenSOE->zeroA(); theEigenSOE->zeroM(); // // form K // FE_EleIter &theEles = theAnalysisModel->getFEs(); FE_Element *elePtr; while((elePtr = theEles()) != 0) { elePtr->zeroTangent(); elePtr->addKtToTang(1.0); if (theEigenSOE->addA(elePtr->getTangent(0), elePtr->getID()) < 0) { opserr << "WARNING DirectIntegrationAnalysis::eigen() -"; opserr << " failed in addA for ID " << elePtr->getID(); result = -2; } } // // if generalized is true, form M // if (generalized == true) { int result = 0; FE_EleIter &theEles2 = theAnalysisModel->getFEs(); while((elePtr = theEles2()) != 0) { elePtr->zeroTangent(); elePtr->addMtoTang(1.0); if (theEigenSOE->addM(elePtr->getTangent(0), elePtr->getID()) < 0) { opserr << "WARNING DirectIntegrationAnalysis::eigen() -"; opserr << " failed in addA for ID " << elePtr->getID(); result = -2; } } DOF_Group *dofPtr; DOF_GrpIter &theDofs = theAnalysisModel->getDOFs(); while((dofPtr = theDofs()) != 0) { dofPtr->zeroTangent(); dofPtr->addMtoTang(1.0); if (theEigenSOE->addM(dofPtr->getTangent(0),dofPtr->getID()) < 0) { opserr << "WARNING DirectIntegrationAnalysis::eigen() -"; opserr << " failed in addM for ID " << dofPtr->getID(); result = -3; } } } // // solve for the eigen values & vectors // if (theEigenSOE->solve(numMode, generalized) < 0) { opserr << "WARNING DirectIntegrationAnalysis::eigen() - EigenSOE failed in solve()\n"; return -4; } // // now set the eigenvalues and eigenvectors in the model // theAnalysisModel->setNumEigenvectors(numMode); Vector theEigenvalues(numMode); for (int i = 1; i <= numMode; i++) { theEigenvalues[i-1] = theEigenSOE->getEigenvalue(i); theAnalysisModel->setEigenvector(i, theEigenSOE->getEigenvector(i)); } theAnalysisModel->setEigenvalues(theEigenvalues); return 0; }
Graph & AnalysisModel::getDOFGraph(void) { if (myDOFGraph == 0) { int numVertex = this->getNumDOF_Groups(); // myDOFGraph = new Graph(numVertex); MapOfTaggedObjects *graphStorage = new MapOfTaggedObjects(); myDOFGraph = new Graph(*graphStorage); // // create a vertex for each dof // DOF_Group *dofPtr =0; DOF_GrpIter &theDOFs = this->getDOFs(); while ((dofPtr = theDOFs()) != 0) { const ID &id = dofPtr->getID(); int size = id.Size(); for (int i=0; i<size; i++) { int dofTag = id(i); if (dofTag >= START_EQN_NUM) { Vertex *vertexPtr = myDOFGraph->getVertexPtr(dofTag); if (vertexPtr == 0) { Vertex *vertexPtr = new Vertex(dofTag, dofTag); if (vertexPtr == 0) { opserr << "WARNING AnalysisModel::getDOFGraph"; opserr << " - Not Enough Memory to create " << i+1 << "th Vertex\n"; return *myDOFGraph; } if (myDOFGraph->addVertex(vertexPtr, false) == false) { opserr << "WARNING AnalysisModel::getDOFGraph - error adding vertex\n"; return *myDOFGraph; } } } } } // now add the edges, by looping over the FE_elements, getting their // IDs and adding edges between DOFs for equation numbers >= START_EQN_NUM FE_Element *elePtr =0; FE_EleIter &eleIter = this->getFEs(); int cnt = 0; while((elePtr = eleIter()) != 0) { const ID &id = elePtr->getID(); cnt++; int size = id.Size(); for (int i=0; i<size; i++) { int eqn1 = id(i); // if eqnNum of DOF is a valid eqn number add an edge // to all other DOFs with valid eqn numbers. if (eqn1 >=START_EQN_NUM) { for (int j=i+1; j<size; j++) { int eqn2 = id(j); if (eqn2 >=START_EQN_NUM) myDOFGraph->addEdge(eqn1-START_EQN_NUM+START_VERTEX_NUM, eqn2-START_EQN_NUM+START_VERTEX_NUM); } } } } } return *myDOFGraph; }
void ArpackSolver::myMv(int n, double *v, double *result) { Vector x(v, n); Vector y(result,n); bool mDiagonal = theArpackSOE->mDiagonal; if (mDiagonal == true) { int Msize = theArpackSOE->Msize; double *M = theArpackSOE->M; /* for output DataFileStream dataStream("M.txt"); dataStream.open(); for (int i=0; i<n; i++) dataStream << M[i] << endln; dataStream.close(); */ if (n <= Msize) { for (int i=0; i<n; i++) result[i] = M[i]*v[i]; } else { opserr << "ArpackSolver::myMv() n > Msize!\n"; return; } } else { y.Zero(); AnalysisModel *theAnalysisModel = theArpackSOE->theModel; // loop over the FE_Elements FE_Element *elePtr; FE_EleIter &theEles = theAnalysisModel->getFEs(); while((elePtr = theEles()) != 0) { const Vector &b = elePtr->getM_Force(x, 1.0); y.Assemble(b, elePtr->getID(), 1.0); } // loop over the DOF_Groups DOF_Group *dofPtr; DOF_GrpIter &theDofs = theAnalysisModel->getDOFs(); while ((dofPtr = theDofs()) != 0) { const Vector &a = dofPtr->getM_Force(x,1.0); y.Assemble(a, dofPtr->getID(), 1.0); } } // if paallel we have to merge the results int processID = theArpackSOE->processID; if (processID != -1) { Channel **theChannels = theArpackSOE->theChannels; int numChannels = theArpackSOE->numChannels; if (processID != 0) { theChannels[0]->sendVector(0, 0, y); theChannels[0]->recvVector(0, 0, y); } else { Vector other(workArea, n); // recv contribution from remote & add for (int i=0; i<numChannels; i++) { theChannels[i]->recvVector(0,0,other); y += other; } // send result back for (int i=0; i<numChannels; i++) { theChannels[i]->sendVector(0,0,y); } } } }
int PFEMIntegrator::formSensitivityRHS(int passedGradNumber) { sensitivityFlag = 1; // Set a couple of data members gradNumber = passedGradNumber; // Get pointer to the SOE LinearSOE *theSOE = this->getLinearSOE(); // Get the analysis model AnalysisModel *theModel = this->getAnalysisModel(); // Randomness in external load (including randomness in time series) // Get domain Domain *theDomain = theModel->getDomainPtr(); // Loop through nodes to zero the unbalaced load Node *nodePtr; NodeIter &theNodeIter = theDomain->getNodes(); while ((nodePtr = theNodeIter()) != 0) nodePtr->zeroUnbalancedLoad(); // Loop through load patterns to add external load sensitivity LoadPattern *loadPatternPtr; LoadPatternIter &thePatterns = theDomain->getLoadPatterns(); double time; while((loadPatternPtr = thePatterns()) != 0) { time = theDomain->getCurrentTime(); loadPatternPtr->applyLoadSensitivity(time); } // Randomness in element/material contributions // Loop through FE elements FE_Element *elePtr; FE_EleIter &theEles = theModel->getFEs(); while((elePtr = theEles()) != 0) { theSOE->addB( elePtr->getResidual(this), elePtr->getID() ); } // Loop through DOF groups (IT IS IMPORTANT THAT THIS IS DONE LAST!) DOF_Group *dofPtr; DOF_GrpIter &theDOFs = theModel->getDOFs(); while((dofPtr = theDOFs()) != 0) { theSOE->addB( dofPtr->getUnbalance(this), dofPtr->getID() ); } // Reset the sensitivity flag sensitivityFlag = 0; return 0; }