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// ______ ______ _ _ _____ ______ |
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// | ____| ____| | (_)/ ____| | ____| |
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// | |__ | |__ | | _| (___ ___| |__ |
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// | __| | __| | | | |\___ \ / __| __| |
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// | | | |____| |____| |____) | (__| |____ |
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// |_| |______|______|_|_____/ \___|______| |
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// Finite Elements for Life Sciences and Engineering |
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// |
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// License: LGL2.1 License |
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// FELiScE default license: LICENSE in root folder |
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// |
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// Main authors: E. Schenone |
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// |
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// System includes |
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// External includes |
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// Project includes |
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#include "Model/ALPDeimModel.hpp" |
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namespace felisce { |
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ALPDeimModel::ALPDeimModel(): |
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ALPModel() { |
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for(std::size_t i=0; i<m_eigenProblemDeim.size(); i++) { |
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m_eigenProblemDeim[i] = nullptr; |
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} |
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} |
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void ALPDeimModel::preAssembleMatrix(const int iProblem) { |
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m_eigenProblemDeim.push_back(static_cast<EigenProblemALPDeim*>(m_eigenProblem[iProblem])); |
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std::unordered_map<std::string, int> mapOfType; |
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mapOfType["EXPLICIT_EULER"] = 0; |
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mapOfType["RUNGE_KUTTA_2"] = 1; |
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m_method = mapOfType[FelisceParam::instance().integrationTimeMethod]; |
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m_eigenProblemDeim[iProblem]->setIntegrationMethod(m_method); |
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// Read collocation points from file (mesh nodes) |
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m_eigenProblemDeim[iProblem]->readCollocationPts(); |
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if (FelisceParam::instance().hasInfarct) { |
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HeteroSparFHN heterof0; |
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std::vector<double> valuef0; |
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heterof0.initialize(m_fstransient); |
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m_eigenProblemDeim[iProblem]->evalFunctionOnDof(heterof0, valuef0); |
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m_eigenProblemDeim[iProblem]->setFhNf0(valuef0); |
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} |
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} |
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// Pay attention on the call of this : |
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// call ALPModel::writeSolution() function instead of (non-virtual) Model::writeSolution() function |
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void ALPDeimModel::writeSolution() { |
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if (MpiInfo::rankProc() == 0) { |
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if (m_meshIsWritten == false) writeMesh(); |
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} |
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if( (m_fstransient->iteration % FelisceParam::instance().frequencyWriteSolution == 0) |
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or m_hasFinished) { |
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if(FelisceParam::verbose() > 1) PetscPrintf(MpiInfo::petscComm(),"Write solutions\n"); |
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for (std::size_t ipb = 0; ipb < m_eigenProblem.size(); ipb++) { |
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// Calculate FE solution (projection of alpha coeff) |
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m_eigenProblemDeim[ipb]->writeEnsightSolution(static_cast<int>(m_fstransient->iteration/FelisceParam::instance().frequencyWriteSolution)); |
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} |
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} |
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} |
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void ALPDeimModel::forward() { |
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for (std::size_t ipb = 0; ipb < m_eigenProblem.size(); ipb++) { |
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if ( m_fstransient->iteration == 0 ) { |
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// Initialize Rom object and calculate reduced basis |
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// Read initial data |
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m_eigenProblem[ipb]->readData(*io()); |
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preAssembleMatrix(ipb); |
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// Create _Matrix[0] and _Matrix[1] of m_eigenProblem |
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m_eigenProblem[ipb]->assembleMatrix(); |
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// Read basis from ensight files |
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if (FelisceParam::instance().readBasisFromFile) { |
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// Build basis reading vectors from ensight files |
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m_eigenProblemDeim[ipb]->initializeROM(); |
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} |
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// Calculate basis functions solving Schrodinger equation |
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else { |
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if (MpiInfo::rankProc() == 0) { |
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if (m_meshIsWritten == false) writeMesh(); |
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} |
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// Initialize Slepc solver |
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m_eigenProblem[ipb]->buildSolver(); |
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// Solve with slepc the generilized eigen problem: _Matrix[0] v = m_matrix[1] lambda v |
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m_eigenProblem[ipb]->solve(); |
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// Writes modes (eigenvectors) in ensight format |
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m_eigenProblem[ipb]->writeMode(); |
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// m_massDeim = mass matrix on V |
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m_eigenProblemDeim[ipb]->computeMassDeim(); |
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m_eigenProblemDeim[ipb]->initializeSolution(); |
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} |
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if (FelisceParam::instance().hasSource) |
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postAssembleMatrix(ipb); |
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// m_hatF and M_hatG |
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m_eigenProblemDeim[ipb]->computeRHSDeim(); |
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// m_theta = \Phi^T G F * \Phi |
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m_eigenProblemDeim[ipb]->computeTheta(); |
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// M_ij = \chi / (\lambda_j - \lambda_i) \theta_ij |
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m_eigenProblemDeim[ipb]->computeMatrixM(); |
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// matrices E and Q for improved recontruction and/or bidomain problem |
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m_eigenProblemDeim[ipb]->computeTensor(); |
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// \Pi_V = V W G |
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m_eigenProblemDeim[ipb]->computeProjectionPiV(); |
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if (FelisceParam::instance().writeECG) { |
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m_eigenProblemDeim[ipb]->initializeECG(); |
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m_eigenProblemDeim[ipb]->writeECG(m_fstransient->iteration); |
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} |
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} |
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} |
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//Write solution with ensight. |
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ALPDeimModel::writeSolution(); |
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//Advance time step. |
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updateTime(); |
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printNewTimeIterationBanner(); |
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for (std::size_t ipb = 0; ipb < m_eigenProblem.size(); ipb++) { |
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switch (m_method) { |
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case 0: // EXPLICIT_EULER |
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m_eigenProblemDeim[ipb]->updateBasis(); |
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m_eigenProblemDeim[ipb]->updateBeta(); |
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m_eigenProblemDeim[ipb]->updateEigenvalue(); |
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m_eigenProblemDeim[ipb]->computeHatU(); |
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m_eigenProblemDeim[ipb]->computeRHSDeim(); |
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m_eigenProblemDeim[ipb]->computeTheta(); |
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m_eigenProblemDeim[ipb]->computeMatrixM(); |
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break; |
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case 1: // RUNGE_KUTTA_2 |
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m_eigenProblemDeim[ipb]->updateBasis(); |
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m_eigenProblemDeim[ipb]->updateBeta(); |
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m_eigenProblemDeim[ipb]->updateEigenvalue(); |
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m_eigenProblemDeim[ipb]->computeHatU(); |
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m_eigenProblemDeim[ipb]->computeRHSDeim(); |
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m_eigenProblemDeim[ipb]->computeTheta(); |
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m_eigenProblemDeim[ipb]->computeMatrixM(); |
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break; |
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default: |
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FEL_ERROR("This integration method is not implemented."); |
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break; |
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} |
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if (FelisceParam::instance().writeECG) { |
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m_eigenProblemDeim[ipb]->updateEcgOperator(); |
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m_eigenProblemDeim[ipb]->writeECG(m_fstransient->iteration); |
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} |
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} |
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} |
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} |
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