Diffusion akantu (features/30-implementing-a-checkpoint-restart-mechanism) Browse

30-implementin…

non_local_manager_igfem.cc
View Options

			/**
			* @file non_local_manager_igfem.cc
			* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
			* @date Mon Sep 21 15:32:10 2015
			*
			* @brief Implementation of non-local manager igfem
			*
			*
			* 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/>.
			*
			*/

			/* -------------------------------------------------------------------------- */
			#ifdef AKANTU_DAMAGE_NON_LOCAL
			#include "non_local_manager_igfem.hh"
			#include "material_non_local.hh"
			/* -------------------------------------------------------------------------- */
			namespace akantu {

			/* -------------------------------------------------------------------------- */
			NonLocalManagerIGFEM::NonLocalManagerIGFEM(SolidMechanicsModelIGFEM & model,
			const ID & id)
			: NonLocalManager(model, id) {

			Mesh & mesh = this->model.getMesh();

			/// initialize the element type map array
			/// it will be resized to nb_quad * nb_element during the computation of
			/// coords
			mesh.initElementTypeMapArray(quad_positions, spatial_dimension,
			spatial_dimension, false, _ek_igfem, true);
			}

			/* -------------------------------------------------------------------------- */
			NonLocalManagerIGFEM::~NonLocalManagerIGFEM() =default;

			/* -------------------------------------------------------------------------- */
			void NonLocalManagerIGFEM::init() {

			/// store the number of current ghost elements for each type in the mesh
			ElementTypeMap<UInt> nb_ghost_protected;
			Mesh & mesh = this->model.getMesh();
			for (UInt k = _ek_regular; k <= _ek_igfem; ++k) {
			ElementKind el_kind = (ElementKind)k;
			Mesh::type_iterator it = mesh.firstType(spatial_dimension, _ghost, el_kind);
			Mesh::type_iterator last_type =
			mesh.lastType(spatial_dimension, _ghost, el_kind);
			for (; it != last_type; ++it)
			nb_ghost_protected(mesh.getNbElement(it, _ghost), it, _ghost);
			}

			/// exchange the missing ghosts for the non-local neighborhoods
			this->createNeighborhoodSynchronizers();

			/// insert the ghost quadrature points of the non-local materials into the
			/// non-local neighborhoods
			for (UInt m = 0; m < this->non_local_materials.size(); ++m) {
			switch (spatial_dimension) {
			case 1:
			dynamic_cast<MaterialNonLocal<1> &>(*(this->non_local_materials[m]))
			.insertQuadsInNeighborhoods(_ghost);
			break;
			case 2:
			dynamic_cast<MaterialNonLocal<2> &>(*(this->non_local_materials[m]))
			.insertQuadsInNeighborhoods(_ghost);
			break;
			case 3:
			dynamic_cast<MaterialNonLocal<3> &>(*(this->non_local_materials[m]))
			.insertQuadsInNeighborhoods(_ghost);
			break;
			}
			}

			FEEngine & fee_regular = this->model.getFEEngine();
			FEEngine & fee_igfem = this->model.getFEEngine("IGFEMFEEngine");

			this->updatePairLists();
			/// cleanup the unneccessary ghost elements
			this->cleanupExtraGhostElements(nb_ghost_protected);
			this->initElementTypeMap(1, volumes, fee_regular, _ek_regular);
			this->initElementTypeMap(1, volumes, fee_igfem, _ek_igfem);
			this->setJacobians(fee_regular, _ek_regular);
			this->setJacobians(fee_igfem, _ek_igfem);
			this->initNonLocalVariables();
			this->computeWeights();
			}

			/* -------------------------------------------------------------------------- */
			void NonLocalManagerIGFEM::computeAllNonLocalStresses() {

			/// update the flattened version of the internals
			std::map<ID, NonLocalVariable *>::iterator non_local_variable_it =
			non_local_variables.begin();
			std::map<ID, NonLocalVariable *>::iterator non_local_variable_end =
			non_local_variables.end();

			for (; non_local_variable_it != non_local_variable_end;
			++non_local_variable_it) {
			non_local_variable_it->second->local.zero();
			non_local_variable_it->second->non_local.zero();
			for (UInt gt = _not_ghost; gt <= _ghost; ++gt) {
			GhostType ghost_type = (GhostType)gt;
			this->flattenInternal(non_local_variable_it->second->local, ghost_type,
			_ek_regular);
			this->flattenInternal(non_local_variable_it->second->local, ghost_type,
			_ek_igfem);
			}
			}

			this->volumes.zero();
			/// loop over all the neighborhoods and compute intiate the
			/// exchange of the non-local_variables
			std::set<ID>::const_iterator global_neighborhood_it =
			global_neighborhoods.begin();
			NeighborhoodMap::iterator it;
			for (; global_neighborhood_it != global_neighborhoods.end();
			++global_neighborhood_it) {
			it = neighborhoods.find(*global_neighborhood_it);
			if (it != neighborhoods.end())
			it->second->getSynchronizerRegistry().asynchronousSynchronize(
			SynchronizationTag::_mnl_for_average);
			else
			dummy_synchronizers[*global_neighborhood_it]->asynchronousSynchronize(
			dummy_accessor, SynchronizationTag::_mnl_for_average);
			}

			this->averageInternals(_not_ghost);

			AKANTU_DEBUG_INFO("Wait distant non local stresses");

			/// loop over all the neighborhoods and block until all non-local
			/// variables have been exchanged
			global_neighborhood_it = global_neighborhoods.begin();
			it = neighborhoods.begin();
			for (; global_neighborhood_it != global_neighborhoods.end();
			++global_neighborhood_it) {
			it = neighborhoods.find(*global_neighborhood_it);
			if (it != neighborhoods.end())
			it->second->getSynchronizerRegistry().waitEndSynchronize(
			SynchronizationTag::_mnl_for_average);
			else
			dummy_synchronizers[*global_neighborhood_it]->waitEndSynchronize(
			dummy_accessor, SynchronizationTag::_mnl_for_average);
			}

			this->averageInternals(_ghost);

			/// copy the results in the materials
			this->distributeInternals(_ek_regular);
			/// loop over all the materials and update the weights
			for (UInt m = 0; m < this->non_local_materials.size(); ++m) {
			switch (spatial_dimension) {
			case 1:
			dynamic_cast<MaterialNonLocal<1> &>(*(this->non_local_materials[m]))
			.computeNonLocalStresses(_not_ghost);
			break;
			case 2:
			dynamic_cast<MaterialNonLocal<2> &>(*(this->non_local_materials[m]))
			.computeNonLocalStresses(_not_ghost);
			break;
			case 3:
			dynamic_cast<MaterialNonLocal<3> &>(*(this->non_local_materials[m]))
			.computeNonLocalStresses(_not_ghost);
			break;
			}
			}

			++this->compute_stress_calls;
			}

			/* -------------------------------------------------------------------------- */
			void NonLocalManagerIGFEM::cleanupExtraGhostElements(
			ElementTypeMap<UInt> & nb_ghost_protected) {

			typedef std::set<Element> ElementSet;
			ElementSet relevant_ghost_elements;
			ElementSet to_keep_per_neighborhood;
			/// loop over all the neighborhoods and get their protected ghosts
			NeighborhoodMap::iterator neighborhood_it = neighborhoods.begin();
			NeighborhoodMap::iterator neighborhood_end = neighborhoods.end();
			for (; neighborhood_it != neighborhood_end; ++neighborhood_it) {
			neighborhood_it->second->cleanupExtraGhostElements(
			to_keep_per_neighborhood);
			ElementSet::const_iterator it = to_keep_per_neighborhood.begin();
			for (; it != to_keep_per_neighborhood.end(); ++it)
			relevant_ghost_elements.insert(*it);
			to_keep_per_neighborhood.zero();
			}

			/// remove all unneccessary ghosts from the mesh
			/// Create list of element to remove and new numbering for element to keep
			Mesh & mesh = this->model.getMesh();
			ElementSet ghost_to_erase;
			RemovedElementsEvent remove_elem(mesh);
			Element element;

			for (UInt k = _ek_regular; k < _ek_igfem; ++k) {
			ElementKind el_kind = (ElementKind)k;
			element.kind = _ek_igfem;
			Mesh::type_iterator it = mesh.firstType(spatial_dimension, _ghost, el_kind);
			Mesh::type_iterator last_type =
			mesh.lastType(spatial_dimension, _ghost, el_kind);

			element.ghost_type = _ghost;

			for (; it != last_type; ++it) {
			element.type = *it;
			UInt nb_ghost_elem = mesh.getNbElement(*it, _ghost);
			UInt nb_ghost_elem_protected = 0;
			try {
			nb_ghost_elem_protected = nb_ghost_protected(*it, _ghost);
			} catch (...) {
			}

			if (!remove_elem.getNewNumbering().exists(*it, _ghost))
			remove_elem.getNewNumbering().alloc(nb_ghost_elem, 1, *it, _ghost);
			else
			remove_elem.getNewNumbering(*it, _ghost).resize(nb_ghost_elem);
			Array<UInt> & new_numbering = remove_elem.getNewNumbering(*it, _ghost);
			for (UInt g = 0; g < nb_ghost_elem; ++g) {
			element.element = g;
			if (element.element >= nb_ghost_elem_protected &&
			relevant_ghost_elements.find(element) ==
			relevant_ghost_elements.end()) {
			remove_elem.getList().push_back(element);
			new_numbering(element.element) = UInt(-1);
			}
			}
			/// renumber remaining ghosts
			UInt ng = 0;
			for (UInt g = 0; g < nb_ghost_elem; ++g) {
			if (new_numbering(g) != UInt(-1)) {
			new_numbering(g) = ng;
			++ng;
			}
			}
			}
			}

			for (UInt k = _ek_regular; k < _ek_igfem; ++k) {
			ElementKind el_kind = (ElementKind)k;
			Mesh::type_iterator it = mesh.firstType(spatial_dimension, _ghost, el_kind);
			Mesh::type_iterator last_type =
			mesh.lastType(spatial_dimension, _ghost, el_kind);
			for (; it != last_type; ++it) {
			UInt nb_elem = mesh.getNbElement(*it, _not_ghost);
			if (!remove_elem.getNewNumbering().exists(*it, _not_ghost))
			remove_elem.getNewNumbering().alloc(nb_elem, 1, *it, _not_ghost);
			Array<UInt> & new_numbering =
			remove_elem.getNewNumbering(*it, _not_ghost);
			for (UInt e = 0; e < nb_elem; ++e) {
			new_numbering(e) = e;
			}
			}
			}

			mesh.sendEvent(remove_elem);
			}

			/* -------------------------------------------------------------------------- */
			void NonLocalManagerIGFEM::onElementsAdded(__attribute__((unused))
			const Array<Element> & element_list,
			__attribute__((unused))
			const NewElementsEvent & event) {

			FEEngine & fee = this->model.getFEEngine("IGFEMFEEngine");
			this->resizeElementTypeMap(1, volumes, fee, _ek_igfem);
			this->resizeElementTypeMap(spatial_dimension, quad_positions, fee, _ek_igfem);

			NonLocalManager::onElementsAdded(element_list, event);
			}

			/* -------------------------------------------------------------------------- */
			void NonLocalManagerIGFEM::onElementsRemoved(
			const Array<Element> & element_list,
			const ElementTypeMapArray<UInt> & new_numbering,
			__attribute__((unused)) const RemovedElementsEvent & event) {

			FEEngine & fee = this->model.getFEEngine("IGFEMFEEngine");

			this->removeIntegrationPointsFromMap(event.getNewNumbering(),
			spatial_dimension, quad_positions, fee,
			_ek_igfem);
			this->removeIntegrationPointsFromMap(event.getNewNumbering(), 1, volumes, fee,
			_ek_igfem);

			NonLocalManager::onElementsRemoved(element_list, new_numbering, event);
			}

			} // namespace akantu

			#endif /* AKANTU_DAMAGE_NON_LOCAL */

rAKA/extra_packages/igfem/src/non_local_manager_igfem.cca03d6f83ea72features/30-implementin…

non_local_manager_igfem.ccView Options

rAKA/extra_packages/igfem/src/non_local_manager_igfem.cc
a03d6f83ea72features/30-implementin…

non_local_manager_igfem.cc
View Options