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solid_mechanics_model_cohesive.cc
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			/**
			* @file solid_mechanics_model_cohesive.cc
			*
			* @author Mauro Corrado <mauro.corrado@epfl.ch>
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			* @author Marco Vocialta <marco.vocialta@epfl.ch>
			*
			* @date creation: Tue May 08 2012
			* @date last modification: Wed Jan 13 2016
			*
			* @brief Solid mechanics model for cohesive elements
			*
			* @section LICENSE
			*
			* Copyright (©) 2010-2012, 2014, 2015 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 "solid_mechanics_model_cohesive.hh"
			#include "aka_iterators.hh"
			#include "dumpable_inline_impl.hh"
			#include "material_cohesive.hh"
			#include "shape_cohesive.hh"
			#ifdef AKANTU_USE_IOHELPER
			#include "dumper_paraview.hh"
			#endif
			/* -------------------------------------------------------------------------- */
			#include <algorithm>
			/* -------------------------------------------------------------------------- */

			namespace akantu {

			const SolidMechanicsModelCohesiveOptions
			default_solid_mechanics_model_cohesive_options(_explicit_lumped_mass,
			false);

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

			SolidMechanicsModelCohesive::SolidMechanicsModelCohesive(
			Mesh & mesh, UInt dim, const ID & id, const MemoryID & memory_id)
			: SolidMechanicsModel(mesh, dim, id, memory_id), tangents("tangents", id),
			facet_stress("facet_stress", id), facet_material("facet_material", id) {
			AKANTU_DEBUG_IN();

			inserter = NULL;

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			facet_synchronizer = NULL;
			facet_stress_synchronizer = NULL;
			cohesive_element_synchronizer = NULL;
			global_connectivity = NULL;
			#endif

			delete material_selector;
			material_selector = new DefaultMaterialCohesiveSelector(*this);

			this->registerEventHandler(*this, _ehp_solid_mechanics_model_cohesive);

			#if defined(AKANTU_USE_IOHELPER)
			this->mesh.registerDumper<DumperParaview>("cohesive elements", id);
			this->mesh.addDumpMeshToDumper("cohesive elements", mesh,
			Model::spatial_dimension, _not_ghost,
			_ek_cohesive);
			#endif

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			SolidMechanicsModelCohesive::~SolidMechanicsModelCohesive() {
			AKANTU_DEBUG_IN();

			delete inserter;

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			delete cohesive_element_synchronizer;
			delete facet_synchronizer;
			delete facet_stress_synchronizer;
			#endif

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::setTimeStep(Real time_step) {
			SolidMechanicsModel::setTimeStep(time_step);

			#if defined(AKANTU_USE_IOHELPER)
			this->mesh.getDumper("cohesive elements").setTimeStep(time_step);
			#endif
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::initFull(const ModelOptions & options) {
			AKANTU_DEBUG_IN();

			const SolidMechanicsModelCohesiveOptions & smmc_options =
			dynamic_cast<const SolidMechanicsModelCohesiveOptions &>(options);

			this->is_extrinsic = smmc_options.extrinsic;

			if (!inserter)
			inserter = new CohesiveElementInserter(mesh, is_extrinsic,
			id + ":cohesive_element_inserter");

			SolidMechanicsModel::initFull(options);

			AKANTU_DEBUG_OUT();
			}

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

			// make sure the material are instantiated
			if (!are_materials_instantiated)
			instantiateMaterials();

			/// find the first cohesive material
			UInt cohesive_index = 0;

			while ((dynamic_cast<MaterialCohesive *>(materials[cohesive_index].get()) ==
			nullptr) &&
			cohesive_index <= materials.size())
			++cohesive_index;

			AKANTU_DEBUG_ASSERT(cohesive_index != materials.size(),
			"No cohesive materials in the material input file");

			material_selector->setFallback(cohesive_index);

			// set the facet information in the material in case of dynamic insertion
			if (is_extrinsic) {
			const Mesh & mesh_facets = inserter->getMeshFacets();
			facet_material.initialize(mesh_facets, _spatial_dimension =
			Model::spatial_dimension - 1);
			// mesh_facets.initElementTypeMapArray(facet_material, 1,
			// spatial_dimension - 1);

			Element element;
			for (auto ghost_type : ghost_types) {
			element.ghost_type = ghost_type;
			for (auto & type :
			mesh_facets.elementTypes(Model::spatial_dimension - 1, ghost_type)) {
			element.type = type;
			Array<UInt> & f_material = facet_material(type, ghost_type);
			UInt nb_element = mesh_facets.getNbElement(type, ghost_type);
			f_material.resize(nb_element);
			f_material.set(cohesive_index);
			for (UInt el = 0; el < nb_element; ++el) {
			element.element = el;
			UInt mat_index = (*material_selector)(element);
			f_material(el) = mat_index;
			MaterialCohesive & mat =
			dynamic_cast<MaterialCohesive &>(*materials[mat_index]);
			mat.addFacet(element);
			}
			}
			}
			SolidMechanicsModel::initMaterials();

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			if (facet_synchronizer != NULL)
			inserter->initParallel(facet_synchronizer, cohesive_element_synchronizer);
			// inserter->initParallel(facet_synchronizer, synch_parallel);
			#endif
			initAutomaticInsertion();
			} else {
			// TODO think of something a bit mor consistant than just coding the first
			// thing that comes in Fabian's head....
			typedef ParserSection::const_section_iterator const_section_iterator;
			std::pair<const_section_iterator, const_section_iterator> sub_sections =
			this->parser->getSubSections(_st_mesh);

			if (sub_sections.first != sub_sections.second) {
			std::string cohesive_surfaces =
			sub_sections.first->getParameter("cohesive_surfaces");
			this->initIntrinsicCohesiveMaterials(cohesive_surfaces);
			} else {
			this->initIntrinsicCohesiveMaterials(cohesive_index);
			}
			}

			AKANTU_DEBUG_OUT();
			} // namespace akantu

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::initIntrinsicCohesiveMaterials(
			std::string cohesive_surfaces) {

			AKANTU_DEBUG_IN();

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			if (facet_synchronizer != NULL)
			inserter->initParallel(facet_synchronizer, cohesive_element_synchronizer);
			// inserter->initParallel(facet_synchronizer, synch_parallel);
			#endif
			std::istringstream split(cohesive_surfaces);
			std::string physname;
			while (std::getline(split, physname, ',')) {
			AKANTU_DEBUG_INFO(
			"Pre-inserting cohesive elements along facets from physical surface: "
			<< physname);
			insertElementsFromMeshData(physname);
			}

			synchronizeInsertionData();

			SolidMechanicsModel::initMaterials();

			if (is_default_material_selector)
			delete material_selector;
			material_selector = new MeshDataMaterialCohesiveSelector(*this);

			// UInt nb_new_elements =
			inserter->insertElements();
			// if (nb_new_elements > 0) {
			// this->reinitializeSolver();
			// }

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::synchronizeInsertionData() {

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			if (facet_synchronizer != NULL) {
			facet_synchronizer->asynchronousSynchronize(*inserter, _gst_ce_groups);
			facet_synchronizer->waitEndSynchronize(*inserter, _gst_ce_groups);
			}
			#endif
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::initIntrinsicCohesiveMaterials(
			UInt cohesive_index) {

			AKANTU_DEBUG_IN();

			for (ghost_type_t::iterator gt = ghost_type_t::begin();
			gt != ghost_type_t::end(); ++gt) {
			Mesh::type_iterator first =
			mesh.firstType(Model::spatial_dimension, *gt, _ek_cohesive);
			Mesh::type_iterator last =
			mesh.lastType(Model::spatial_dimension, *gt, _ek_cohesive);

			for (; first != last; ++first) {
			Array<UInt> & mat_indexes = this->material_index(first, gt);
			Array<UInt> & mat_loc_num = this->material_local_numbering(first, gt);
			mat_indexes.set(cohesive_index);
			mat_loc_num.clear();
			}
			}
			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			if (facet_synchronizer != NULL)
			inserter->initParallel(facet_synchronizer, cohesive_element_synchronizer);
			// inserter->initParallel(facet_synchronizer, synch_parallel);
			#endif

			SolidMechanicsModel::initMaterials();

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			/**
			* Initialize the model,basically it pre-compute the shapes, shapes derivatives
			* and jacobian
			*
			*/
			void SolidMechanicsModelCohesive::initModel() {
			AKANTU_DEBUG_IN();

			SolidMechanicsModel::initModel();

			registerFEEngineObject<MyFEEngineCohesiveType>("CohesiveFEEngine", mesh,
			Model::spatial_dimension);

			/// add cohesive type connectivity
			ElementType type = _not_defined;

			for (ghost_type_t::iterator gt = ghost_type_t::begin();
			gt != ghost_type_t::end(); ++gt) {

			GhostType type_ghost = *gt;

			Mesh::type_iterator it =
			mesh.firstType(Model::spatial_dimension, type_ghost);
			Mesh::type_iterator last =
			mesh.lastType(Model::spatial_dimension, type_ghost);

			for (; it != last; ++it) {
			const Array<UInt> & connectivity = mesh.getConnectivity(*it, type_ghost);
			if (connectivity.getSize() != 0) {
			type = *it;
			ElementType type_facet = Mesh::getFacetType(type);
			ElementType type_cohesive =
			FEEngine::getCohesiveElementType(type_facet);
			mesh.addConnectivityType(type_cohesive, type_ghost);
			}
			}
			}

			AKANTU_DEBUG_ASSERT(type != _not_defined, "No elements in the mesh");

			getFEEngine("CohesiveFEEngine").initShapeFunctions(_not_ghost);
			getFEEngine("CohesiveFEEngine").initShapeFunctions(_ghost);

			registerFEEngineObject<MyFEEngineFacetType>(
			"FacetsFEEngine", mesh.getMeshFacets(), Model::spatial_dimension - 1);

			if (is_extrinsic) {
			getFEEngine("FacetsFEEngine").initShapeFunctions(_not_ghost);
			getFEEngine("FacetsFEEngine").initShapeFunctions(_ghost);
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::limitInsertion(BC::Axis axis,
			Real first_limit,
			Real second_limit) {
			AKANTU_DEBUG_IN();
			inserter->setLimit(axis, first_limit, second_limit);
			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::insertIntrinsicElements() {
			AKANTU_DEBUG_IN();
			// UInt nb_new_elements =
			inserter->insertIntrinsicElements();
			// if (nb_new_elements > 0) {
			// this->reinitializeSolver();
			// }
			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::insertElementsFromMeshData(
			std::string physname) {
			AKANTU_DEBUG_IN();

			UInt material_index = SolidMechanicsModel::getMaterialIndex(physname);
			inserter->insertIntrinsicElements(physname, material_index);
			AKANTU_DEBUG_OUT();
			}

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

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			if (facet_stress_synchronizer != NULL) {
			DataAccessor * data_accessor = this;
			const ElementTypeMapArray<UInt> & rank_to_element =
			synch_parallel->getPrankToElement();

			facet_stress_synchronizer->updateFacetStressSynchronizer(
			inserter, rank_to_element, data_accessor);
			}
			#endif

			facet_stress.initialize(inserter->getMeshFacets(),
			_nb_component = 2 * Model::spatial_dimension *
			Model::spatial_dimension,
			_spatial_dimension = Model::spatial_dimension - 1);

			// inserter->getMeshFacets().initElementTypeMapArray(
			// facet_stress, 2 * spatial_dimension * spatial_dimension,
			// spatial_dimension - 1);

			resizeFacetStress();

			/// compute normals on facets
			computeNormals();

			initStressInterpolation();
			}

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

			inserter->limitCheckFacets();

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			if (facet_stress_synchronizer != NULL) {
			DataAccessor * data_accessor = this;
			const ElementTypeMapArray<UInt> & rank_to_element =
			synch_parallel->getPrankToElement();

			facet_stress_synchronizer->updateFacetStressSynchronizer(
			inserter, rank_to_element, data_accessor);
			}
			#endif

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::initStressInterpolation() {
			Mesh & mesh_facets = inserter->getMeshFacets();

			/// compute quadrature points coordinates on facets
			Array<Real> & position = mesh.getNodes();

			ElementTypeMapArray<Real> quad_facets("quad_facets", id);
			quad_facets.initialize(mesh_facets, _nb_component = Model::spatial_dimension,
			_spatial_dimension = Model::spatial_dimension - 1);
			// mesh_facets.initElementTypeMapArray(quad_facets, Model::spatial_dimension,
			// Model::spatial_dimension - 1);

			getFEEngine("FacetsFEEngine")
			.interpolateOnIntegrationPoints(position, quad_facets);

			/// compute elements quadrature point positions and build
			/// element-facet quadrature points data structure
			ElementTypeMapArray<Real> elements_quad_facets("elements_quad_facets", id);

			elements_quad_facets.initialize(
			mesh, _nb_component = Model::spatial_dimension,
			_spatial_dimension = Model::spatial_dimension);
			// mesh.initElementTypeMapArray(elements_quad_facets,
			// Model::spatial_dimension,
			// Model::spatial_dimension);

			for (auto elem_gt : ghost_types) {
			for (auto & type : mesh.elementTypes(Model::spatial_dimension, elem_gt)) {
			UInt nb_element = mesh.getNbElement(type, elem_gt);
			if (nb_element == 0)
			continue;

			/// compute elements' quadrature points and list of facet
			/// quadrature points positions by element
			Array<Element> & facet_to_element =
			mesh_facets.getSubelementToElement(type, elem_gt);
			UInt nb_facet_per_elem = facet_to_element.getNbComponent();

			Array<Real> & el_q_facet = elements_quad_facets(type, elem_gt);

			ElementType facet_type = Mesh::getFacetType(type);

			UInt nb_quad_per_facet =
			getFEEngine("FacetsFEEngine").getNbIntegrationPoints(facet_type);

			el_q_facet.resize(nb_element * nb_facet_per_elem * nb_quad_per_facet);

			for (UInt el = 0; el < nb_element; ++el) {
			for (UInt f = 0; f < nb_facet_per_elem; ++f) {
			Element global_facet_elem = facet_to_element(el, f);
			UInt global_facet = global_facet_elem.element;
			GhostType facet_gt = global_facet_elem.ghost_type;
			const Array<Real> & quad_f = quad_facets(facet_type, facet_gt);

			for (UInt q = 0; q < nb_quad_per_facet; ++q) {
			for (UInt s = 0; s < Model::spatial_dimension; ++s) {
			el_q_facet(el * nb_facet_per_elem * nb_quad_per_facet +
			f * nb_quad_per_facet + q,
			s) = quad_f(global_facet * nb_quad_per_facet + q, s);
			}
			}
			}
			}
			}
			}

			/// loop over non cohesive materials
			for (UInt m = 0; m < materials.size(); ++m) {
			try {
			MaterialCohesive & mat __attribute__((unused)) =
			dynamic_cast<MaterialCohesive &>(*materials[m]);
			} catch (std::bad_cast &) {
			/// initialize the interpolation function
			materials[m]->initElementalFieldInterpolation(elements_quad_facets);
			}
			}

			AKANTU_DEBUG_OUT();
			}

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

			// f_int += f_int_cohe
			for (auto & material : this->materials) {
			try {
			MaterialCohesive & mat = dynamic_cast<MaterialCohesive &>(*material);
			mat.computeTraction(_not_ghost);
			} catch (std::bad_cast & bce) {
			}
			}

			SolidMechanicsModel::assembleInternalForces();

			if (isDefaultSolverExplicit()) {
			for (auto & material : materials) {
			try {
			MaterialCohesive & mat = dynamic_cast<MaterialCohesive &>(*material);
			mat.computeEnergies();
			} catch (std::bad_cast & bce) {
			}
			}
			}

			AKANTU_DEBUG_OUT();
			}

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

			Mesh & mesh_facets = this->inserter->getMeshFacets();
			this->getFEEngine("FacetsFEEngine")
			.computeNormalsOnIntegrationPoints(_not_ghost);

			/**
			* @todo store tangents while computing normals instead of
			* recomputing them as follows:
			*/
			/* ------------------------------------------------------------------------ */
			UInt tangent_components =
			Model::spatial_dimension * (Model::spatial_dimension - 1);

			tangents.initialize(mesh_facets, _nb_component = tangent_components,
			_spatial_dimension = Model::spatial_dimension - 1);
			// mesh_facets.initElementTypeMapArray(tangents, tangent_components,
			// Model::spatial_dimension - 1);

			for (auto facet_type :
			mesh_facets.elementTypes(Model::spatial_dimension - 1)) {
			const Array<Real> & normals =
			this->getFEEngine("FacetsFEEngine")
			.getNormalsOnIntegrationPoints(facet_type);

			Array<Real> & tangents = this->tangents(facet_type);

			Math::compute_tangents(normals, tangents);
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::interpolateStress() {

			ElementTypeMapArray<Real> by_elem_result("temporary_stress_by_facets", id);

			for (auto & material : materials) {
			try {
			MaterialCohesive & mat __attribute__((unused)) =
			dynamic_cast<MaterialCohesive &>(*material);
			} catch (std::bad_cast &) {
			/// interpolate stress on facet quadrature points positions
			material->interpolateStressOnFacets(facet_stress, by_elem_result);
			}
			}

			#if defined(AKANTU_DEBUG_TOOLS)
			debug::element_manager.printData(
			debug::_dm_model_cohesive, "Interpolated stresses before", facet_stress);
			#endif

			this->synchronize(_gst_smmc_facets_stress);

			#if defined(AKANTU_DEBUG_TOOLS)
			debug::element_manager.printData(debug::_dm_model_cohesive,
			"Interpolated stresses", facet_stress);
			#endif
			}

			/* -------------------------------------------------------------------------- */
			UInt SolidMechanicsModelCohesive::checkCohesiveStress() {
			interpolateStress();

			for (auto & mat : materials) {
			try {
			MaterialCohesive & mat_cohesive = dynamic_cast<MaterialCohesive &>(*mat);
			/// check which not ghost cohesive elements are to be created
			mat_cohesive.checkInsertion();
			} catch (std::bad_cast &) {
			}
			}

			/// communicate data among processors
			this->synchronize(_gst_smmc_facets);

			/// insert cohesive elements
			UInt nb_new_elements = inserter->insertElements();

			// if (nb_new_elements > 0) {
			// this->reinitializeSolver();
			// }

			return nb_new_elements;
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::onElementsAdded(
			const Array<Element> & element_list, const NewElementsEvent & event) {
			AKANTU_DEBUG_IN();

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			updateCohesiveSynchronizers();
			#endif

			SolidMechanicsModel::onElementsAdded(element_list, event);

			#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
			if (cohesive_element_synchronizer != NULL)
			cohesive_element_synchronizer->computeAllBufferSizes(*this);
			#endif

			if (is_extrinsic)
			resizeFacetStress();

			/// if (method != _explicit_lumped_mass) {
			/// this->initSolver();
			/// }

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::onNodesAdded(const Array<UInt> & new_nodes,
			const NewNodesEvent & event) {
			AKANTU_DEBUG_IN();

			// Array<UInt> nodes_list(nb_new_nodes);

			// for (UInt n = 0; n < nb_new_nodes; ++n)
			// nodes_list(n) = doubled_nodes(n, 1);
			SolidMechanicsModel::onNodesAdded(new_nodes, event);

			UInt new_node, old_node;

			try {
			const auto & cohesive_event =
			dynamic_cast<const CohesiveNewNodesEvent &>(event);
			const auto & old_nodes = cohesive_event.getOldNodesList();

			auto copy = [this, &new_node, &old_node](auto & arr) {
			for (UInt s = 0; s < spatial_dimension; ++s) {
			arr(new_node, s) = arr(old_node, s);
			}
			};

			for (auto pair : zip(new_nodes, old_nodes)) {
			std::tie(new_node, old_node) = pair;

			copy(*displacement);
			copy(*velocity);
			copy(*acceleration);
			copy(*blocked_dofs);

			if (current_position)
			copy(*current_position);

			if (previous_displacement)
			copy(*previous_displacement);
			}

			// if (this->getDOFManager().hasMatrix("M")) {
			// this->assembleMass(old_nodes);
			// }

			// if (this->getDOFManager().hasLumpedMatrix("M")) {
			// this->assembleMassLumped(old_nodes);
			// }

			} catch (std::bad_cast &) {
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::onEndSolveStep(const AnalysisMethod &) {

			AKANTU_DEBUG_IN();

			/*
			* This is required because the Cauchy stress is the stress measure that
			* is used to check the insertion of cohesive elements
			*/
			for (auto & mat : materials) {
			if (mat->isFiniteDeformation())
			mat->computeAllCauchyStresses(_not_ghost);
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::printself(std::ostream & stream,
			int indent) const {
			std::string space;
			for (Int i = 0; i < indent; i++, space += AKANTU_INDENT)
			;

			stream << space << "SolidMechanicsModelCohesive [" << std::endl;

			SolidMechanicsModel::printself(stream, indent + 1);

			stream << space << "]" << std::endl;
			}

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

			Mesh & mesh_facets = inserter->getMeshFacets();

			for (ghost_type_t::iterator gt = ghost_type_t::begin();
			gt != ghost_type_t::end(); ++gt) {
			GhostType ghost_type = *gt;

			Mesh::type_iterator it =
			mesh_facets.firstType(Model::spatial_dimension - 1, ghost_type);
			Mesh::type_iterator end =
			mesh_facets.lastType(Model::spatial_dimension - 1, ghost_type);
			for (; it != end; ++it) {
			ElementType type = *it;

			UInt nb_facet = mesh_facets.getNbElement(type, ghost_type);

			UInt nb_quadrature_points = getFEEngine("FacetsFEEngine")
			.getNbIntegrationPoints(type, ghost_type);

			UInt new_size = nb_facet * nb_quadrature_points;

			facet_stress(type, ghost_type).resize(new_size);
			}
			}

			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			void SolidMechanicsModelCohesive::addDumpGroupFieldToDumper(
			const std::string & dumper_name, const std::string & field_id,
			const std::string & group_name, const ElementKind & element_kind,
			bool padding_flag) {
			AKANTU_DEBUG_IN();

			UInt spatial_dimension = Model::spatial_dimension;
			ElementKind _element_kind = element_kind;
			if (dumper_name == "cohesive elements") {
			_element_kind = _ek_cohesive;
			} else if (dumper_name == "facets") {
			spatial_dimension = Model::spatial_dimension - 1;
			}
			SolidMechanicsModel::addDumpGroupFieldToDumper(dumper_name, field_id,
			group_name, spatial_dimension,
			_element_kind, padding_flag);

			AKANTU_DEBUG_OUT();
			}

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

			void SolidMechanicsModelCohesive::onDump() {
			this->flattenAllRegisteredInternals(_ek_cohesive);
			SolidMechanicsModel::onDump();
			}

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

			} // namespace akantu

rAKA/src/model/solid_mechanics/solid_mechanics_model_cohesive/solid_mechanics_model_cohesive.ccfd0f6180866ffeatures/doc_energies

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rAKA/src/model/solid_mechanics/solid_mechanics_model_cohesive/solid_mechanics_model_cohesive.cc
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