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solid_mechanics_model_cohesive_parallel.cc
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			/**
			* @file solid_mechanics_model_cohesive_parallel.cc
			*
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			* @author Marco Vocialta <marco.vocialta@epfl.ch>
			*
			* @date creation: Wed Nov 05 2014
			* @date last modification: Tue Feb 20 2018
			*
			* @brief Functions for parallel cohesive elements
			*
			*
			* Copyright (©) 2015-2018 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 "communicator.hh"
			#include "element_synchronizer.hh"
			#include "material_cohesive.hh"
			#include "solid_mechanics_model_cohesive.hh"
			#include "solid_mechanics_model_tmpl.hh"
			/* -------------------------------------------------------------------------- */
			#include <type_traits>
			/* -------------------------------------------------------------------------- */

			namespace akantu {

			/* -------------------------------------------------------------------------- */
			// void SolidMechanicsModelCohesive::synchronizeGhostFacetsConnectivity() {
			// AKANTU_DEBUG_IN();

			// const Communicator & comm = mesh.getCommunicator();
			// Int psize = comm.getNbProc();

			// if (psize == 1) {
			// AKANTU_DEBUG_OUT();
			// return;
			// }

			// AKANTU_DEBUG_OUT();
			// }

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::updateCohesiveSynchronizers() {
			/// update synchronizers if needed

			if (not mesh.isDistributed()) {
			return;
			}

			auto & mesh_facets = inserter->getMeshFacets();
			auto & facet_synchronizer = mesh_facets.getElementSynchronizer();
			const auto & cfacet_synchronizer = facet_synchronizer;

			// update the cohesive element synchronizer
			cohesive_synchronizer->updateSchemes([&](auto && scheme, auto && proc,
			auto && direction) {
			auto & facet_scheme =
			cfacet_synchronizer.getCommunications().getScheme(proc, direction);

			for (auto && facet : facet_scheme) {
			const auto & cohesive_element = const_cast<const Mesh &>(mesh_facets)
			.getElementToSubelement(facet)[1];

			if (cohesive_element == ElementNull or
			cohesive_element.kind() != _ek_cohesive) {
			continue;
			}

			auto && cohesive_type = FEEngine::getCohesiveElementType(facet.type);
			auto old_nb_cohesive_elements =
			mesh.getNbElement(cohesive_type, facet.ghost_type);
			old_nb_cohesive_elements -=
			mesh_facets
			.getData<UInt>("facet_to_double", facet.type, facet.ghost_type)
			.size();

			if (cohesive_element.element >= old_nb_cohesive_elements) {
			scheme.push_back(cohesive_element);
			}
			}
			});

			if (not facet_stress_synchronizer) {
			return;
			}

			const auto & element_synchronizer = mesh.getElementSynchronizer();
			const auto & comm = mesh.getCommunicator();
			auto && my_rank = comm.whoAmI();

			// update the facet stress synchronizer
			facet_stress_synchronizer->updateSchemes([&](auto && scheme, auto && proc,
			auto && /direction/) {
			auto it_element = scheme.begin();
			for (auto && element : scheme) {
			auto && facet_check = inserter->getCheckFacets(
			element.type, element.ghost_type)(element.element); // slow access
			// here

			if (facet_check) {
			auto && connected_elements = mesh_facets.getElementToSubelement(
			element.type, element.ghost_type)(element.element); // slow access
			// here
			auto && rank_left = element_synchronizer.getRank(connected_elements[0]);
			auto && rank_right =
			element_synchronizer.getRank(connected_elements[1]);

			// keep element if the element is still a boundary element between two
			// processors
			if ((rank_left == Int(proc) and rank_right == my_rank) or
			(rank_left == my_rank and rank_right == Int(proc))) {
			*it_element = element;
			++it_element;
			}
			}
			}
			scheme.resize(it_element - scheme.begin());
			});
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::updateFacetStressSynchronizer() {
			if (facet_stress_synchronizer != nullptr) {
			const auto & rank_to_element =
			mesh.getElementSynchronizer().getElementToRank();
			const auto & facet_checks = inserter->getCheckFacets();
			const auto & mesh_facets = inserter->getMeshFacets();
			const auto & element_to_facet = mesh_facets.getElementToSubelement();
			UInt rank = mesh.getCommunicator().whoAmI();

			facet_stress_synchronizer->updateSchemes(
			[&](auto & scheme, auto & proc, auto & /direction/) {
			UInt el = 0;
			for (auto && element : scheme) {
			if (not facet_checks(element)) {
			continue;
			}

			const auto & next_el = element_to_facet(element);
			UInt rank_left = rank_to_element(next_el[0]);
			UInt rank_right = rank_to_element(next_el[1]);

			if ((rank_left == rank and rank_right == proc) or
			(rank_left == proc and rank_right == rank)) {
			scheme[el] = element;
			++el;
			}
			}
			scheme.resize(el);
			});
			}
			}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			void SolidMechanicsModelCohesive::packFacetStressDataHelper(
			const ElementTypeMapArray<T> & data_to_pack, CommunicationBuffer & buffer,
			const Array<Element> & elements) const {
			packUnpackFacetStressDataHelper<T, true>(
			const_cast<ElementTypeMapArray<T> &>(data_to_pack), buffer, elements);
			}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			void SolidMechanicsModelCohesive::unpackFacetStressDataHelper(
			ElementTypeMapArray<T> & data_to_unpack, CommunicationBuffer & buffer,
			const Array<Element> & elements) const {
			packUnpackFacetStressDataHelper<T, false>(data_to_unpack, buffer, elements);
			}

			/* -------------------------------------------------------------------------- */
			template <typename T, bool pack_helper>
			void SolidMechanicsModelCohesive::packUnpackFacetStressDataHelper(
			ElementTypeMapArray<T> & data_to_pack, CommunicationBuffer & buffer,
			const Array<Element> & elements) const {
			ElementType current_element_type = _not_defined;
			GhostType current_ghost_type = _casper;
			UInt nb_quad_per_elem = 0;
			UInt sp2 = spatial_dimension * spatial_dimension;
			UInt nb_component = sp2 * 2;
			bool element_rank = false;
			Mesh & mesh_facets = inserter->getMeshFacets();

			Array<T> * vect = nullptr;
			Array<std::vector<Element>> * element_to_facet = nullptr;

			auto & fe_engine = this->getFEEngine("FacetsFEEngine");
			for (auto && el : elements) {
			if (el.type == _not_defined) {
			AKANTU_EXCEPTION(
			"packUnpackFacetStressDataHelper called with wrong inputs");
			}

			if (el.type != current_element_type \|\|
			el.ghost_type != current_ghost_type) {
			current_element_type = el.type;
			current_ghost_type = el.ghost_type;
			vect = &data_to_pack(el.type, el.ghost_type);

			element_to_facet =
			&(mesh_facets.getElementToSubelement(el.type, el.ghost_type));

			nb_quad_per_elem =
			fe_engine.getNbIntegrationPoints(el.type, el.ghost_type);
			}

			if (pack_helper) {
			element_rank =
			(*element_to_facet)(el.element)[0].ghost_type != _not_ghost;
			} else {
			element_rank =
			(*element_to_facet)(el.element)[0].ghost_type == _not_ghost;
			}

			for (UInt q = 0; q < nb_quad_per_elem; ++q) {
			Vector<T> data(vect->storage() +
			(el.element * nb_quad_per_elem + q) * nb_component +
			element_rank * sp2,
			sp2);

			if (pack_helper) {
			buffer << data;
			} else {
			buffer >> data;
			}
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			UInt SolidMechanicsModelCohesive::getNbQuadsForFacetCheck(
			const Array<Element> & elements) const {
			UInt nb_quads = 0;
			UInt nb_quad_per_facet = 0;

			ElementType current_element_type = _not_defined;
			GhostType current_ghost_type = _casper;
			auto & fe_engine = this->getFEEngine("FacetsFEEngine");
			for (const auto & el : elements) {
			if (el.type != current_element_type \|\|
			el.ghost_type != current_ghost_type) {
			current_element_type = el.type;
			current_ghost_type = el.ghost_type;

			nb_quad_per_facet =
			fe_engine.getNbIntegrationPoints(el.type, el.ghost_type);
			}

			nb_quads += nb_quad_per_facet;
			}

			return nb_quads;
			}

			/* -------------------------------------------------------------------------- */
			UInt SolidMechanicsModelCohesive::getNbData(
			const Array<Element> & elements, const SynchronizationTag & tag) const {
			AKANTU_DEBUG_IN();

			UInt size = 0;
			if (elements.empty()) {
			return 0;
			}

			/// regular element case
			if (elements(0).kind() == _ek_regular) {
			switch (tag) {
			// case SynchronizationTag::_smmc_facets: {
			// size += elements.size() * sizeof(bool);
			// break;
			// }
			case SynchronizationTag::_smmc_facets_stress: {
			UInt nb_quads = getNbQuadsForFacetCheck(elements);
			size += nb_quads * spatial_dimension * spatial_dimension * sizeof(Real);
			break;
			}
			case SynchronizationTag::_material_id: {
			for (auto && element : elements) {
			if (Mesh::getSpatialDimension(element.type) ==
			(spatial_dimension - 1)) {
			size += sizeof(UInt);
			}
			}

			size += SolidMechanicsModel::getNbData(elements, tag);
			break;
			}

			default: {
			size += SolidMechanicsModel::getNbData(elements, tag);
			}
			}
			}
			/// cohesive element case
			else if (elements(0).kind() == _ek_cohesive) {

			switch (tag) {
			case SynchronizationTag::_material_id: {
			size += elements.size() * sizeof(UInt);
			break;
			}
			case SynchronizationTag::_smm_boundary: {
			UInt nb_nodes_per_element = 0;

			for (auto && el : elements) {
			nb_nodes_per_element += Mesh::getNbNodesPerElement(el.type);
			}

			// force, displacement, boundary
			size += nb_nodes_per_element * spatial_dimension *
			(2 * sizeof(Real) + sizeof(bool));
			break;
			}
			default:
			break;
			}

			if (tag != SynchronizationTag::_material_id &&
			tag != SynchronizationTag::_smmc_facets) {
			splitByMaterial(elements, [&](auto && mat, auto && elements) {
			size += mat.getNbData(elements, tag);
			});
			}
			}

			AKANTU_DEBUG_OUT();
			return size;
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::packData(
			CommunicationBuffer & buffer, const Array<Element> & elements,
			const SynchronizationTag & tag) const {
			AKANTU_DEBUG_IN();

			if (elements.empty()) {
			return;
			}

			if (elements(0).kind() == _ek_regular) {
			switch (tag) {
			// case SynchronizationTag::_smmc_facets: {
			// packElementalDataHelper(inserter->getInsertionFacetsByElement(),
			// buffer,
			// elements, false, getFEEngine());
			// break;
			// }
			case SynchronizationTag::_smmc_facets_stress: {
			packFacetStressDataHelper(facet_stress, buffer, elements);
			break;
			}
			case SynchronizationTag::_material_id: {
			for (auto && element : elements) {
			if (Mesh::getSpatialDimension(element.type) !=
			(spatial_dimension - 1)) {
			continue;
			}
			buffer << material_index(element);
			}

			SolidMechanicsModel::packData(buffer, elements, tag);
			break;
			}
			default: {
			SolidMechanicsModel::packData(buffer, elements, tag);
			}
			}

			AKANTU_DEBUG_OUT();
			return;
			}

			if (elements(0).kind() == _ek_cohesive) {
			switch (tag) {
			case SynchronizationTag::_material_id: {
			packElementalDataHelper(material_index, buffer, elements, false,
			getFEEngine("CohesiveFEEngine"));
			break;
			}
			case SynchronizationTag::_smm_boundary: {
			packNodalDataHelper(*internal_force, buffer, elements, mesh);
			packNodalDataHelper(*velocity, buffer, elements, mesh);
			packNodalDataHelper(*blocked_dofs, buffer, elements, mesh);
			break;
			}
			default: {
			}
			}

			if (tag != SynchronizationTag::_material_id &&
			tag != SynchronizationTag::_smmc_facets) {
			splitByMaterial(elements, [&](auto && mat, auto && elements) {
			mat.packData(buffer, elements, tag);
			});
			}
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::unpackData(CommunicationBuffer & buffer,
			const Array<Element> & elements,
			const SynchronizationTag & tag) {
			AKANTU_DEBUG_IN();

			if (elements.empty()) {
			return;
			}

			if (elements(0).kind() == _ek_regular) {
			switch (tag) {
			// case SynchronizationTag::_smmc_facets: {
			// unpackElementalDataHelper(inserter->getInsertionFacetsByElement(),
			// buffer,
			// elements, false, getFEEngine());
			// break;
			// }
			case SynchronizationTag::_smmc_facets_stress: {
			unpackFacetStressDataHelper(facet_stress, buffer, elements);
			break;
			}
			case SynchronizationTag::_material_id: {
			for (auto && element : elements) {
			if (Mesh::getSpatialDimension(element.type) !=
			(spatial_dimension - 1)) {
			continue;
			}

			UInt recv_mat_index;
			buffer >> recv_mat_index;
			UInt & mat_index = material_index(element);
			if (mat_index != UInt(-1)) {
			continue;
			}

			// add ghosts element to the correct material
			mat_index = recv_mat_index;
			auto & mat = aka::as_type<MaterialCohesive>(*materials[mat_index]);
			if (is_extrinsic) {
			mat.addFacet(element);
			}
			facet_material(element) = recv_mat_index;
			}
			SolidMechanicsModel::unpackData(buffer, elements, tag);
			break;
			}
			default: {
			SolidMechanicsModel::unpackData(buffer, elements, tag);
			}
			}

			AKANTU_DEBUG_OUT();
			return;
			}

			if (elements(0).kind() == _ek_cohesive) {
			switch (tag) {
			case SynchronizationTag::_material_id: {
			for (auto && element : elements) {
			UInt recv_mat_index;
			buffer >> recv_mat_index;
			UInt & mat_index = material_index(element);
			if (mat_index != UInt(-1)) {
			continue;
			}

			// add ghosts element to the correct material
			mat_index = recv_mat_index;
			UInt index = materials[mat_index]->addElement(element);
			material_local_numbering(element) = index;
			}
			break;
			}
			case SynchronizationTag::_smm_boundary: {
			unpackNodalDataHelper(*internal_force, buffer, elements, mesh);
			unpackNodalDataHelper(*velocity, buffer, elements, mesh);
			unpackNodalDataHelper(*blocked_dofs, buffer, elements, mesh);
			break;
			}
			default: {
			}
			}

			if (tag != SynchronizationTag::_material_id &&
			tag != SynchronizationTag::_smmc_facets) {
			splitByMaterial(elements, [&](auto && mat, auto && elements) {
			mat.unpackData(buffer, elements, tag);
			});
			}
			}

			AKANTU_DEBUG_OUT();
			}

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

			} // namespace akantu

rAKA/src/model/solid_mechanics/solid_mechanics_model_cohesive/solid_mechanics_model_cohesive_parallel.cc2494dc4e9df3bugfixes/cmake_regex_er…

solid_mechanics_model_cohesive_parallel.ccView Options

rAKA/src/model/solid_mechanics/solid_mechanics_model_cohesive/solid_mechanics_model_cohesive_parallel.cc
2494dc4e9df3bugfixes/cmake_regex_er…

solid_mechanics_model_cohesive_parallel.cc
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