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dof_manager_default.cc
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			/**
			* @file dof_manager_default.cc
			*
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			*
			* @date Tue Aug 11 16:21:01 2015
			*
			* @brief Implementation of the default DOFManager
			*
			* @section LICENSE
			*
			* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
			* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
			*
			* Akantu is free software: you can redistribute it and/or modify it under the
			* terms of the GNU Lesser General Public License as published by the Free
			* Software Foundation, either version 3 of the License, or (at your option) any
			* later version.
			*
			* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
			* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
			* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
			* details.
			*
			* You should have received a copy of the GNU Lesser General Public License
			* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
			*
			*/

			/* -------------------------------------------------------------------------- */
			#include "dof_manager_default.hh"
			#include "sparse_matrix_aij.hh"
			#include "time_step_solver_default.hh"
			#include "static_communicator.hh"
			#include "non_linear_solver_default.hh"
			/* -------------------------------------------------------------------------- */

			__BEGIN_AKANTU__

			/* -------------------------------------------------------------------------- */
			inline void DOFManagerDefault::addSymmetricElementalMatrixToSymmetric(
			SparseMatrixAIJ & matrix, const Matrix<Real> & elementary_mat,
			const Vector<UInt> & equation_numbers, UInt max_size) {
			for (UInt i = 0; i < elementary_mat.rows(); ++i) {
			UInt c_irn = equation_numbers(i);
			if (c_irn < max_size) {
			for (UInt j = i; j < elementary_mat.cols(); ++j) {
			UInt c_jcn = equation_numbers(j);
			if (c_jcn < max_size) {
			matrix(c_irn, c_jcn) += elementary_mat(i, j);
			}
			}
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			inline void DOFManagerDefault::addUnsymmetricElementalMatrixToSymmetric(
			SparseMatrixAIJ & matrix, const Matrix<Real> & elementary_mat,
			const Vector<UInt> & equation_numbers, UInt max_size) {
			for (UInt i = 0; i < elementary_mat.rows(); ++i) {
			UInt c_irn = equation_numbers(i);
			if (c_irn < max_size) {
			for (UInt j = 0; j < elementary_mat.cols(); ++j) {
			UInt c_jcn = equation_numbers(j);
			if (c_jcn < max_size) {
			if (c_jcn >= c_irn) {
			matrix(c_irn, c_jcn) += elementary_mat(i, j);
			}
			}
			}
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			inline void DOFManagerDefault::addElementalMatrixToUnsymmetric(
			SparseMatrixAIJ & matrix, const Matrix<Real> & elementary_mat,
			const Vector<UInt> & equation_numbers, UInt max_size) {
			for (UInt i = 0; i < elementary_mat.rows(); ++i) {
			UInt c_irn = equation_numbers(i);
			if (c_irn < max_size) {
			for (UInt j = 0; j < elementary_mat.cols(); ++j) {
			UInt c_jcn = equation_numbers(j);
			if (c_jcn < max_size) {
			matrix(c_irn, c_jcn) += elementary_mat(i, j);
			}
			}
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			DOFManagerDefault::DOFManagerDefault(const ID & id, const MemoryID & memory_id)
			: DOFManager(id, memory_id), residual(0, 1, std::string(id + ":residual")),
			global_solution(0, 1, std::string(id + ":global_solution")),
			global_blocked_dofs(0, 1, std::string(id + ":global_blocked_dofs")),
			dofs_type(0, 1, std::string(id + ":dofs_type")) {}

			/* -------------------------------------------------------------------------- */
			DOFManagerDefault::~DOFManagerDefault() {}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			void DOFManagerDefault::assembleToGlobalArray(
			const ID & dof_id, const Array<T> & array_to_assemble,
			Array<T> & global_array, T scale_factor) {
			AKANTU_DEBUG_IN();
			const Array<UInt> & equation_number = this->getLocalEquationNumbers(dof_id);

			UInt nb_degree_of_freedoms =
			array_to_assemble.getSize() * array_to_assemble.getNbComponent();

			AKANTU_DEBUG_ASSERT(equation_number.getSize() == nb_degree_of_freedoms,
			"The array to assemble does not have a correct size."
			<< " (" << array_to_assemble.getID() << ")");

			typename Array<T>::const_scalar_iterator arr_it =
			array_to_assemble.begin_reinterpret(nb_degree_of_freedoms);
			Array<UInt>::const_scalar_iterator equ_it = equation_number.begin();

			for (UInt d = 0; d < nb_degree_of_freedoms; ++d, ++arr_it, ++equ_it) {
			global_array(equ_it) += scale_factor (*arr_it);
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::registerDOFs(const ID & dof_id,
			Array<Real> & dofs_array,
			const DOFSupportType & support_type) {
			// stores the current numbers of dofs
			UInt local_nb_dofs = this->local_system_size;
			UInt pure_local_nb_dofs = this->pure_local_system_size;

			// update or create the dof_data
			DOFManager::registerDOFs(dof_id, dofs_array, support_type);

			// Count the number of pure local dofs per proc
			StaticCommunicator & comm = StaticCommunicator::getStaticCommunicator();
			UInt prank = comm.whoAmI();
			UInt psize = comm.getNbProc();

			Array<UInt> nb_dofs_per_proc(psize);
			nb_dofs_per_proc(prank) = this->pure_local_system_size - pure_local_nb_dofs;
			comm.allGather(nb_dofs_per_proc);

			UInt first_global_dofs_id = std::accumulate(
			nb_dofs_per_proc.begin(), nb_dofs_per_proc.begin() + prank, 0);

			// nb local dofs to account for
			UInt nb_dofs = this->local_system_size - local_nb_dofs;

			DOFData & dof_data = *dofs[dof_id];

			this->global_equation_number.resize(this->local_system_size);

			// set the equation numbers
			UInt first_dof_id = local_nb_dofs;
			dof_data.local_equation_number.resize(nb_dofs);
			this->dofs_type.resize(local_system_size);

			for (UInt d = 0; d < nb_dofs; ++d) {
			UInt local_eq_num = first_dof_id + d;
			dof_data.local_equation_number(d) = local_eq_num;
			UInt global_eq_num = first_global_dofs_id + d;
			this->global_equation_number(local_eq_num) = global_eq_num;
			this->global_to_local_mapping[global_eq_num] = local_eq_num;
			switch (support_type) {
			case _dst_nodal: {
			UInt node = d / dof_data.dof->getNbComponent();
			this->dofs_type(local_eq_num) = this->mesh->getNodeType(node);
			break;
			}
			case _dst_generic: {
			this->dofs_type(local_eq_num) = _nt_normal;
			break;
			}
			default: { AKANTU_EXCEPTION("This type of dofs is not handled yet."); }
			}
			}

			this->residual.resize(this->local_system_size);
			this->global_solution.resize(this->local_system_size);
			this->global_blocked_dofs.resize(this->local_system_size);
			}

			/* -------------------------------------------------------------------------- */
			SparseMatrix & DOFManagerDefault::getNewMatrix(const ID & id,
			const MatrixType & matrix_type) {
			ID matrix_id = this->id + ":mtx:" + id;
			SparseMatrix * sm = new SparseMatrixAIJ(*this, matrix_type, matrix_id);
			this->registerSparseMatrix(matrix_id, *sm);

			return *sm;
			}

			/* -------------------------------------------------------------------------- */
			SparseMatrix & DOFManagerDefault::getNewMatrix(const ID & id,
			const ID & matrix_to_copy_id) {

			ID matrix_id = this->id + ":mtx:" + id;
			SparseMatrixAIJ & sm_to_copy = this->getMatrix(matrix_to_copy_id);
			SparseMatrix * sm = new SparseMatrixAIJ(sm_to_copy, matrix_id);
			this->registerSparseMatrix(matrix_id, *sm);

			return *sm;
			}

			/* -------------------------------------------------------------------------- */
			SparseMatrixAIJ & DOFManagerDefault::getMatrix(const ID & id) {
			SparseMatrix & matrix = DOFManager::getMatrix(id);

			return dynamic_cast<SparseMatrixAIJ &>(matrix);
			}

			/* -------------------------------------------------------------------------- */
			NonLinearSolver &
			DOFManagerDefault::getNewNonLinearSolver(const ID & id,
			const NonLinearSolverType & type) {
			ID non_linear_solver_id = this->id + ":nls:" + id;
			NonLinearSolver * nls = NULL;
			switch (type) {
			case _nls_newton_raphson:
			case _nls_newton_raphson_modified: {
			nls = new NonLinearSolverNewtonRaphson(*this, type, non_linear_solver_id,
			this->memory_id);
			break;
			}
			case _nls_linear: {
			nls = new NonLinearSolverLinear(*this, type, non_linear_solver_id,
			this->memory_id);
			break;
			}
			case _nls_lumped: {
			nls = new NonLinearSolverLumped(*this, type, non_linear_solver_id,
			this->memory_id);
			break;
			}
			default:
			AKANTU_EXCEPTION("The asked type of non linear solver is not supported by "
			"this dof manager");
			}

			this->registerNonLinearSolver(non_linear_solver_id, *nls);

			return *nls;
			}

			/* -------------------------------------------------------------------------- */
			TimeStepSolver &
			DOFManagerDefault::getNewTimeStepSolver(const ID & id,
			const TimeStepSolverType & type,
			NonLinearSolver & non_linear_solver) {
			ID time_step_solver_id = this->id + ":tss:" + id;

			TimeStepSolver * tss = new TimeStepSolverDefault(
			*this, type, non_linear_solver, time_step_solver_id, this->memory_id);

			this->registerTimeStepSolver(time_step_solver_id, *tss);

			return *tss;
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::clearResidual() {
			this->residual.resize(this->local_system_size);
			this->residual.clear();
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::clearJacobian() {
			this->getMatrix("J").clear();
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::updateGlobalBlockedDofs() {
			DOFStorage::iterator it = this->dofs.begin();
			DOFStorage::iterator end = this->dofs.end();

			this->global_blocked_dofs.resize(this->local_system_size);
			this->global_blocked_dofs.clear();

			for (; it != end; ++it) {
			DOFData & dof_data = *it->second;
			this->assembleToGlobalArray(it->first, *dof_data.blocked_dofs,
			this->global_blocked_dofs, true);
			}
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::getSolutionPerDOFs(const ID & dof_id,
			Array<Real> & solution_array) {
			AKANTU_DEBUG_IN();

			const Array<UInt> & equation_number = this->getLocalEquationNumbers(dof_id);

			UInt nb_degree_of_freedoms = equation_number.getSize();
			solution_array.resize(nb_degree_of_freedoms);

			Real * sol_it = solution_array.storage();
			UInt * equ_it = equation_number.storage();

			for (UInt d = 0; d < nb_degree_of_freedoms; ++d, ++sol_it, ++equ_it) {
			(sol_it) = this->global_solution(equ_it);
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::assembleToResidual(
			const ID & dof_id, const Array<Real> & array_to_assemble,
			Real scale_factor) {
			AKANTU_DEBUG_IN();

			this->assembleToGlobalArray(dof_id, array_to_assemble, this->residual,
			scale_factor);

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::assembleMatMulVectToResidual(const ID & dof_id,
			const ID & A_id,
			const Array<Real> x,
			Real scale_factor) {
			SparseMatrixAIJ & A = this->getMatrix(A_id);
			Array<Real> global_x(this->local_system_size, 1, 0.);

			this->assembleToGlobalArray(dof_id, x, global_x, 1.);

			A.matVecMul(global_x, this->residual, scale_factor, 1.);
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::assembleLumpedMatMulVectToResidual(const ID & dof_id,
			const ID & A_id,
			const Array<Real> x,
			Real scale_factor) {
			const Array<Real> & A = this->getLumpedMatrix(A_id);

			Array<Real> global_x(this->local_system_size, 1, 0.);
			this->assembleToGlobalArray(dof_id, x, global_x, scale_factor);

			Array<Real>::const_scalar_iterator A_it = A.begin();
			Array<Real>::const_scalar_iterator A_end = A.end();
			Array<Real>::const_scalar_iterator x_it = global_x.begin();
			Array<Real>::scalar_iterator r_it = this->residual.begin();

			for (; A_it != A_end; ++A_it, ++x_it, ++r_it) {
			r_it += A_it * *x_it;
			}
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::assembleElementalMatricesToMatrix(
			const ID & matrix_id, const ID & dof_id, const Array<Real> & elementary_mat,
			const ElementType & type, const GhostType & ghost_type,
			const MatrixType & elemental_matrix_type,
			const Array<UInt> & filter_elements) {
			AKANTU_DEBUG_IN();

			this->addToProfile(matrix_id, dof_id);

			const Array<UInt> & equation_number = this->getLocalEquationNumbers(dof_id);
			SparseMatrixAIJ & A = this->getMatrix(matrix_id);

			UInt nb_element;
			if (ghost_type == _not_ghost) {
			nb_element = this->mesh->getNbElement(type);
			} else {
			AKANTU_DEBUG_TO_IMPLEMENT();
			}

			UInt * filter_it = NULL;
			if (filter_elements != empty_filter) {
			nb_element = filter_elements.getSize();
			filter_it = filter_elements.storage();
			} else {
			nb_element = this->mesh->getNbElement(type, ghost_type);
			}

			AKANTU_DEBUG_ASSERT(elementary_mat.getSize() == nb_element,
			"The vector elementary_mat("
			<< elementary_mat.getID()
			<< ") has not the good size.");

			UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(type);

			UInt nb_degree_of_freedom = this->getDOFs(dof_id).getNbComponent();
			// UInt nb_degree_of_freedom = elementary_mat.getNbComponent() /
			// (nb_nodes_per_element * nb_nodes_per_element);

			const Array<UInt> connectivity =
			this->mesh->getConnectivity(type, ghost_type);
			Array<UInt>::const_vector_iterator conn_begin =
			connectivity.begin(nb_nodes_per_element);
			Array<UInt>::const_vector_iterator conn_it = conn_begin;

			UInt size_mat = nb_nodes_per_element * nb_degree_of_freedom;

			Vector<UInt> element_eq_nb(nb_degree_of_freedom * nb_nodes_per_element);
			Array<Real>::const_matrix_iterator el_mat_it =
			elementary_mat.begin(size_mat, size_mat);

			for (UInt e = 0; e < nb_element; ++e, ++el_mat_it) {
			if (filter_it != NULL)
			conn_it = conn_begin + *filter_it;

			this->extractElementEquationNumber(equation_number, *conn_it,
			nb_degree_of_freedom, element_eq_nb);
			this->localToGlobalEquationNumber(element_eq_nb);

			if (filter_it != NULL)
			++filter_it;
			else
			++conn_it;

			if (A.getMatrixType() == _symmetric)
			if (elemental_matrix_type == _symmetric)
			this->addSymmetricElementalMatrixToSymmetric(
			A, *el_mat_it, element_eq_nb, A.getSize());
			else
			this->addUnsymmetricElementalMatrixToSymmetric(
			A, *el_mat_it, element_eq_nb, A.getSize());
			else
			this->addElementalMatrixToUnsymmetric(A, *el_mat_it, element_eq_nb,
			A.getSize());
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void DOFManagerDefault::addToProfile(const ID & matrix_id, const ID & dof_id) {
			AKANTU_DEBUG_IN();

			const DOFData & dof_data = this->getDOFData(dof_id);

			if (dof_data.support_type != _dst_nodal)
			return;

			std::pair<ID, ID> mat_dof = std::make_pair(matrix_id, dof_id);
			if (this->matrix_profiled_dofs.find(mat_dof) !=
			this->matrix_profiled_dofs.end())
			return;

			UInt nb_degree_of_freedom_per_node = dof_data.dof->getNbComponent();

			const Array<UInt> & equation_number = this->getLocalEquationNumbers(dof_id);

			SparseMatrixAIJ & A = this->getMatrix(matrix_id);

			// if(irn_jcn_to_k) delete irn_jcn_to_k;
			// irn_jcn_to_k = new std::map<std::pair<UInt, UInt>, UInt>;
			// A.clearProfile();

			UInt size = A.getSize();

			Mesh::type_iterator it = this->mesh->firstType(
			this->mesh->getSpatialDimension(), _not_ghost, _ek_not_defined);
			Mesh::type_iterator end = this->mesh->lastType(
			this->mesh->getSpatialDimension(), _not_ghost, _ek_not_defined);
			for (; it != end; ++it) {
			UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(*it);

			const Array<UInt> & connectivity =
			this->mesh->getConnectivity(*it, _not_ghost);
			Array<UInt>::const_vector_iterator cit =
			connectivity.begin(nb_nodes_per_element);
			Array<UInt>::const_vector_iterator cend =
			connectivity.end(nb_nodes_per_element);

			UInt size_mat = nb_nodes_per_element * nb_degree_of_freedom_per_node;
			Vector<UInt> element_eq_nb(size_mat);

			for (; cit != cend; ++cit) {
			this->extractElementEquationNumber(
			equation_number, *cit, nb_degree_of_freedom_per_node, element_eq_nb);
			this->localToGlobalEquationNumber(element_eq_nb);

			for (UInt i = 0; i < size_mat; ++i) {
			UInt c_irn = element_eq_nb(i);
			if (c_irn < size) {
			for (UInt j = 0; j < size_mat; ++j) {
			UInt c_jcn = element_eq_nb(j);
			if (c_jcn < size) {
			A.addToProfile(c_irn, c_jcn);
			}
			}
			}
			}
			}
			}

			this->matrix_profiled_dofs.insert(mat_dof);

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */

			__END_AKANTU__

rAKA/src/model/dof_manager_default.cc4648f0fbf28afeatures/22-problem-in…

dof_manager_default.ccView Options

rAKA/src/model/dof_manager_default.cc
4648f0fbf28afeatures/22-problem-in…

dof_manager_default.cc
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