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mesh_igfem_spherical_growing_gel_tmpl.hh
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			/**
			* @file mesh_igfem_spherical_growing_gel.cc
			* @author Marco Vocialta <marco.vocialta@epfl.ch>
			* @date Mon Sep 21 12:42:11 2015
			*
			* @brief Implementation of the functions of MeshIgfemSphericalGrowingGel
			*
			* @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 "mesh_utils.hh"
			#include <algorithm>

			__BEGIN_AKANTU__

			/* -------------------------------------------------------------------------- */
			template <UInt dim>
			MeshIgfemSphericalGrowingGel<dim>::MeshIgfemSphericalGrowingGel(Mesh & mesh):
			mesh(mesh),
			nb_nodes_fem(mesh.getNbNodes()),
			nb_enriched_nodes(0),
			synchronizer(NULL) { }

			/* -------------------------------------------------------------------------- */
			template <UInt dim>
			void MeshIgfemSphericalGrowingGel<dim>::init() {
			nb_nodes_fem = mesh.getNbNodes();

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

			Mesh::type_iterator tit = mesh.firstType(dim, ghost_type);
			Mesh::type_iterator tend = mesh.lastType(dim, ghost_type);
			for(;tit != tend; ++tit) { // loop to add corresponding IGFEM element types
			if(*tit == _triangle_3){
			mesh.addConnectivityType(_igfem_triangle_4, ghost_type);
			mesh.addConnectivityType(_igfem_triangle_5, ghost_type);
			}
			else
			AKANTU_DEBUG_ERROR("Not ready for mesh type " << *tit);
			}

			tit = mesh.firstType(dim, ghost_type, _ek_not_defined);
			tend = mesh.lastType(dim, ghost_type, _ek_not_defined);
			for(;tit != tend; ++tit) {
			AKANTU_BOOST_LIST_SWITCH(INSTANTIATOR, ELEMENT_LIST, *tit);
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			template <UInt dim>
			void MeshIgfemSphericalGrowingGel<dim>::computeMeshQueryListIntersectionPoint(const std::list<SK::Sphere_3> & query_list) {
			/// store number of currently enriched nodes
			this->nb_enriched_nodes = mesh.getNbNodes() - nb_nodes_fem;
			UInt nb_old_nodes = mesh.getNbNodes();

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

			Mesh::type_iterator iit = mesh.firstType(dim, ghost_type, _ek_not_defined);
			Mesh::type_iterator iend = mesh.lastType(dim, ghost_type, _ek_not_defined);
			for(;iit != iend; ++iit) {
			MeshAbstractIntersector<SK::Sphere_3> & intersector = intersectors(iit, ghost_type);
			intersector.constructData(ghost_type);
			intersector.computeMeshQueryListIntersectionPoint(query_list, nb_old_nodes);
			const Array<Real> intersection_points_current_type = *(intersector.getIntersectionPoints());
			const Array<UInt> & new_node_per_elem = intersector.getNewNodePerElem();

			/// Send the new node event
			UInt new_points = intersection_points_current_type.getSize();
			StaticCommunicator::getStaticCommunicator().allReduce(&new_points, 1, _so_sum);

			if (new_points > 0) {
			Array<Real> & nodes = this->mesh.getNodes();
			UInt nb_node = nodes.getSize();

			Array<Real>::const_vector_iterator intersec_p_it
			= intersection_points_current_type.begin(dim);

			NewIGFEMNodesEvent new_nodes_event;
			for(UInt in = 0; in < intersection_points_current_type.getSize();
			++in, ++intersec_p_it) {
			nodes.push_back(*intersec_p_it);
			new_nodes_event.getList().push_back(nb_node + in);
			}
			new_nodes_event.setNewNodePerElem(new_node_per_elem);
			new_nodes_event.setType(*iit);
			new_nodes_event.setGhostType(ghost_type);
			this->mesh.sendEvent(new_nodes_event);
			}
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			template <UInt dim>
			void MeshIgfemSphericalGrowingGel<dim>::removeAdditionalNodes(){
			AKANTU_DEBUG_IN();

			UInt total_nodes = this->mesh.getNbNodes();
			UInt nb_new_enriched_nodes = total_nodes - this->nb_enriched_nodes - this->nb_nodes_fem;
			UInt old_total_nodes = this->nb_nodes_fem + this->nb_enriched_nodes;

			UInt total_new_nodes = nb_new_enriched_nodes;
			StaticCommunicator::getStaticCommunicator().allReduce(&total_new_nodes, 1, _so_sum);
			if (total_new_nodes == 0) return;

			RemovedNodesEvent remove_nodes(this->mesh);
			Array<UInt> & nodes_removed = remove_nodes.getList();
			Array<UInt> & new_numbering = remove_nodes.getNewNumbering();

			for(UInt nnod = 0; nnod < this->nb_nodes_fem ; ++nnod){
			new_numbering(nnod) = nnod ;
			}

			for(UInt nnod = nb_nodes_fem ; nnod < old_total_nodes; ++nnod){
			new_numbering(nnod) = UInt(-1) ;
			nodes_removed.push_back(nnod);
			}

			for(UInt nnod = 0; nnod < nb_new_enriched_nodes ; ++nnod){
			new_numbering(nnod + old_total_nodes) = this->nb_nodes_fem + nnod ;
			}

			if (nb_new_enriched_nodes > 0) {
			for (UInt gt = _not_ghost; gt <= _ghost; ++gt) {
			GhostType ghost_type = (GhostType) gt;

			Mesh::type_iterator it = mesh.firstType(_all_dimensions, ghost_type, _ek_not_defined);
			Mesh::type_iterator end = mesh.lastType(_all_dimensions, ghost_type, _ek_not_defined);
			for(; it != end; ++it) {
			ElementType type = *it;
			Array<UInt> & connectivity_array = mesh.getConnectivity(type, ghost_type);
			UInt nb_nodes_per_element = connectivity_array.getNbComponent();

			Array<UInt>::vector_iterator conn_it = connectivity_array.begin(nb_nodes_per_element);
			Array<UInt>::vector_iterator conn_end = connectivity_array.end(nb_nodes_per_element);

			for (; conn_it != conn_end; ++conn_it) {
			for (UInt n = 0; n < nb_nodes_per_element; ++n) {
			(conn_it)(n) = new_numbering((conn_it)(n));
			}
			}
			}
			}
			}

			this->mesh.sendEvent(remove_nodes);
			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			template <UInt dim>
			void MeshIgfemSphericalGrowingGel<dim>::buildIGFEMMesh(){
			AKANTU_DEBUG_IN();

			NewIGFEMElementsEvent new_elements_event;
			UInt total_new_elements = 0;
			Array<Element> & new_elements_list = new_elements_event.getList();
			Array<Element> & old_elements_list = new_elements_event.getOldElementsList();
			RemovedElementsEvent removed_elements_event(this->mesh);
			ChangedElementsEvent changed_elements_event(this->mesh);

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

			mesh.initElementTypeMapArray(removed_elements_event.getNewNumbering(),
			1, dim, ghost_type, false, _ek_not_defined);
			mesh.initElementTypeMapArray(changed_elements_event.getNewNumbering(),
			1, dim, ghost_type, false, _ek_not_defined);

			/// loop over all types in the mesh for a given ghost type
			Mesh::type_iterator iit = mesh.firstType(dim, ghost_type, _ek_not_defined);
			Mesh::type_iterator iend = mesh.lastType(dim, ghost_type, _ek_not_defined);
			for(;iit != iend; ++iit) {
			ElementType type = *iit;

			MeshAbstractIntersector<SK::Sphere_3> & intersector = *intersectors(type, ghost_type);
			const Array<UInt> & new_node_per_elem = intersector.getNewNodePerElem();

			UInt n_new_el = 0;
			Array<UInt> & connectivity = this->mesh.getConnectivity(type, ghost_type);


			/// get the connectivities of all types that that may transform
			Array<UInt> & connec_igfem_tri_4 = this->mesh.getConnectivity(_igfem_triangle_4, ghost_type);
			Array<UInt> & connec_igfem_tri_5 = this->mesh.getConnectivity(_igfem_triangle_5, ghost_type);
			Array<UInt> & connec_tri_3 = this->mesh.getConnectivity(_triangle_3, ghost_type);

			/// create elements to store the newly generated elements
			Element el_tri_3(_triangle_3, 0, ghost_type, _ek_regular);
			Element el_igfem_tri_4(_igfem_triangle_4, 0, ghost_type, _ek_igfem);
			Element el_igfem_tri5(_igfem_triangle_5, 0, ghost_type, _ek_igfem);

			Array<UInt> & new_numbering = removed_elements_event.getNewNumbering(type, ghost_type);
			new_numbering.resize(connectivity.getSize());
			/// container for element to be removed
			Element old_element(type, 0, ghost_type, Mesh::getKind(type));

			for (UInt nel = 0 ; nel != new_node_per_elem.getSize(); ++nel) {
			/// a former IGFEM triangle is transformed into a regular triangle
			if ( (type != _triangle_3) && (new_node_per_elem(nel,0) == 0)) {

			Vector<UInt> connec_new_elem(3);
			connec_new_elem(0) = connectivity(nel,0);
			connec_new_elem(1) = connectivity(nel,1);
			connec_new_elem(2) = connectivity(nel,2);
			/// add the new element in the mesh
			UInt nb_triangles_3 = connec_tri_3.getSize();
			connec_tri_3.push_back(connec_new_elem);
			el_tri_3.element = nb_triangles_3;
			new_elements_list.push_back(el_tri_3);
			/// the number of the old element in the mesh
			old_element.element = nel;
			old_elements_list.push_back(old_element);
			new_numbering(nel) = UInt(-1);
			++n_new_el;
			}

			/// element is enriched
			else if (new_node_per_elem(nel,0) != 0) {
			switch(new_node_per_elem(nel,0)){
			/// new element is of type igfem_triangle_4
			case 1 :{
			Vector<UInt> connec_new_elem(4);
			switch(new_node_per_elem(nel,2)){
			case 0 :
			connec_new_elem(0) = connectivity(nel,2);
			connec_new_elem(1) = connectivity(nel,0);
			connec_new_elem(2) = connectivity(nel,1);
			break;
			case 1 :
			connec_new_elem(0) = connectivity(nel,0);
			connec_new_elem(1) = connectivity(nel,1);
			connec_new_elem(2) = connectivity(nel,2);
			break;
			case 2 :
			connec_new_elem(0) = connectivity(nel,1);
			connec_new_elem(1) = connectivity(nel,2);
			connec_new_elem(2) = connectivity(nel,0);
			break;
			default :
			AKANTU_DEBUG_ERROR("A triangle has only 3 segments not "<< new_node_per_elem(nel,2));
			break;
			}
			connec_new_elem(3) = new_node_per_elem(nel,1);
			UInt nb_igfem_triangles_4 = connec_igfem_tri_4.getSize();
			connec_igfem_tri_4.push_back(connec_new_elem);
			el_igfem_tri_4.element = nb_igfem_triangles_4;
			new_elements_list.push_back(el_igfem_tri_4);
			break;
			}
			/// new element is of type igfem_triangle_5
			case 2 :{
			Vector<UInt> connec_new_elem(5);
			if( (new_node_per_elem(nel,2)==0) && (new_node_per_elem(nel,4)==1) ){
			connec_new_elem(0) = connectivity(nel,1);
			connec_new_elem(1) = connectivity(nel,2);
			connec_new_elem(2) = connectivity(nel,0);
			connec_new_elem(3) = new_node_per_elem(nel,3);
			connec_new_elem(4) = new_node_per_elem(nel,1);
			}
			else if((new_node_per_elem(nel,2)==0) && (new_node_per_elem(nel,4)==2)){
			connec_new_elem(0) = connectivity(nel,0);
			connec_new_elem(1) = connectivity(nel,1);
			connec_new_elem(2) = connectivity(nel,2);
			connec_new_elem(3) = new_node_per_elem(nel,1);
			connec_new_elem(4) = new_node_per_elem(nel,3);
			}
			else if((new_node_per_elem(nel,2)==1) && (new_node_per_elem(nel,4)==2)){
			connec_new_elem(0) = connectivity(nel,2);
			connec_new_elem(1) = connectivity(nel,0);
			connec_new_elem(2) = connectivity(nel,1);
			connec_new_elem(3) = new_node_per_elem(nel,3);
			connec_new_elem(4) = new_node_per_elem(nel,1);
			}
			else if((new_node_per_elem(nel,2)==1) && (new_node_per_elem(nel,4)==0)){
			connec_new_elem(0) = connectivity(nel,1);
			connec_new_elem(1) = connectivity(nel,2);
			connec_new_elem(2) = connectivity(nel,0);
			connec_new_elem(3) = new_node_per_elem(nel,1);
			connec_new_elem(4) = new_node_per_elem(nel,3);
			}
			else if((new_node_per_elem(nel,2)==2) && (new_node_per_elem(nel,4)==0)){
			connec_new_elem(0) = connectivity(nel,0);
			connec_new_elem(1) = connectivity(nel,1);
			connec_new_elem(2) = connectivity(nel,2);
			connec_new_elem(3) = new_node_per_elem(nel,3);
			connec_new_elem(4) = new_node_per_elem(nel,1);
			}
			else if((new_node_per_elem(nel,2)==2) && (new_node_per_elem(nel,4)==1)){
			connec_new_elem(0) = connectivity(nel,2);
			connec_new_elem(1) = connectivity(nel,0);
			connec_new_elem(2) = connectivity(nel,1);
			connec_new_elem(3) = new_node_per_elem(nel,1);
			connec_new_elem(4) = new_node_per_elem(nel,3);
			}
			else
			AKANTU_DEBUG_ERROR("A triangle has only 3 segments (0 to 2) not "<< new_node_per_elem(nel,2) << "and" << new_node_per_elem(nel,4));

			UInt nb_igfem_triangles_5 = connec_igfem_tri_5.getSize();
			connec_igfem_tri_5.push_back(connec_new_elem);
			el_igfem_tri5.element = nb_igfem_triangles_5;
			new_elements_list.push_back(el_igfem_tri5);
			break;
			}
			default:
			AKANTU_DEBUG_ERROR("IGFEM cannot add "<< new_node_per_elem(nel,0) << " nodes to triangles");
			break;
			}
			old_element.element = nel;
			old_elements_list.push_back(old_element);
			new_numbering(nel) = UInt(-1);
			++n_new_el;
			}
			}
			total_new_elements += n_new_el;
			}
			}

			/// update new numbering
			for (ghost_type_t::iterator gt = ghost_type_t::begin(); gt != ghost_type_t::end(); ++gt) {
			GhostType ghost_type = *gt;
			/// loop over all types in the mesh for a given ghost type
			Mesh::type_iterator iit = mesh.firstType(dim, ghost_type, _ek_not_defined);
			Mesh::type_iterator iend = mesh.lastType(dim, ghost_type, _ek_not_defined);
			for(;iit != iend; ++iit) {
			ElementType type = *iit;
			Array<UInt> & new_numbering = removed_elements_event.getNewNumbering(type, ghost_type);
			UInt el_index = 0;
			UInt nb_element = this->mesh.getNbElement(type, ghost_type);
			new_numbering.resize(nb_element);
			for (UInt e = 0; e < nb_element; ++e) {
			if (new_numbering(e) != UInt(-1)) {
			new_numbering(e) = el_index;
			++el_index;
			}
			}
			changed_elements_event.getNewNumbering(type, ghost_type).copy(new_numbering);
			}
			}


			StaticCommunicator::getStaticCommunicator().allReduce(&total_new_elements, 1, _so_sum);

			if(total_new_elements > 0){
			changed_elements_event.getListOld().copy(new_elements_event.getOldElementsList());
			changed_elements_event.getListNew().copy(new_elements_event.getList());
			this->mesh.sendEvent(changed_elements_event);

			this->mesh.sendEvent(new_elements_event);

			Array<Element> & removed_list = removed_elements_event.getList();
			removed_list.copy(new_elements_event.getOldElementsList());
			this->mesh.sendEvent(removed_elements_event);
			}

			removeAdditionalNodes();
			AKANTU_DEBUG_OUT();
			}

			/* -------------------------------------------------------------------------- */
			template <UInt dim>
			void MeshIgfemSphericalGrowingGel<dim>::buildSegmentConnectivityToNodeType() {
			Mesh mesh_facets(mesh.initMeshFacets());
			MeshUtils::buildSegmentToNodeType(mesh, mesh_facets, synchronizer);

			// only the ghost elements are considered
			for(UInt g = _not_ghost; g <= _ghost; ++g) {
			GhostType ghost_type = (GhostType) g;

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

			const Array<Int> & segment_to_nodetype
			= mesh_facets.getData<Int>("segment_to_nodetype", type, ghost_type);

			const Array<UInt> & segment_connectivity
			= mesh_facets.getConnectivity(type, ghost_type);

			// looping over all the segments
			Array<UInt>::const_vector_iterator conn_it
			= segment_connectivity.begin(segment_connectivity.getNbComponent());
			Array<UInt>::const_vector_iterator conn_end
			= segment_connectivity.end(segment_connectivity.getNbComponent());
			UInt seg_index = 0;

			UInt n[2];
			for (; conn_it != conn_end; ++conn_it, ++seg_index) {
			Int seg_type = segment_to_nodetype(seg_index);
			n[0] = (*conn_it)(0);
			n[1] = (*conn_it)(1);

			if ( (mesh.isMasterNode(n[0]) \|\| mesh.isSlaveNode(n[0])) &&
			(mesh.isMasterNode(n[1]) \|\| mesh.isSlaveNode(n[1]))) {
			std::sort(n, n+2);
			segment_conn_to_node_type[std::make_pair(n[0], n[1])] = seg_type;
			}
			}
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			template <UInt dim>
			void MeshIgfemSphericalGrowingGel<dim>::updateNodeType(const Array<UInt> & nodes_list,
			const Array<UInt> & new_node_per_elem,
			ElementType type,
			GhostType ghost_type) {
			Array<Int> & nodes_type = mesh.getNodesType();
			UInt old_nodes = nodes_type.getSize();
			UInt new_nodes = nodes_list.getSize();

			// exit this function if the simulation in run in serial
			if (old_nodes == 0 \|\| new_nodes == 0) return;

			nodes_type.resize(old_nodes + new_nodes);
			Array<bool> checked_node(new_nodes, 1, false);

			UInt nb_prim_by_el = 0;
			if( (type == _triangle_3) \|\|
			(type == _igfem_triangle_4) \|\|
			(type == _igfem_triangle_5) ){
			nb_prim_by_el = 3;
			} else {
			AKANTU_DEBUG_ERROR("Not ready for mesh type " << type);
			}

			// determine the node type for the local, master and slave nodes
			const Array<UInt> & connectivity = mesh.getConnectivity(type, ghost_type);
			unordered_map< std::pair<UInt, UInt>, Int >::type::iterator seg_type_it;
			unordered_map< std::pair<UInt, UInt>, Int >::type::iterator seg_type_end
			= segment_conn_to_node_type.end();

			for (UInt el = 0; el < new_node_per_elem.getSize(); ++el) {
			UInt nb_nodes = new_node_per_elem(el, 0);

			for (UInt n = 0; n < nb_nodes; ++n) {
			UInt node_index = new_node_per_elem(el, 2*n+1);
			if (node_index < old_nodes \|\| checked_node(node_index - old_nodes)) continue;

			// get the elemental connectivity of the segment associated to the node
			UInt segment_index = new_node_per_elem(el, 2*n+2);

			UInt extreme_nodes[2];
			extreme_nodes[0] = segment_index;
			extreme_nodes[1] = segment_index + 1;
			if (extreme_nodes[1] == nb_prim_by_el) extreme_nodes[1] = 0;

			// get the connectivity of the segment
			extreme_nodes[0] = connectivity(el, extreme_nodes[0]);
			extreme_nodes[1] = connectivity(el, extreme_nodes[1]);


			// if one extreme nodes is pure ghost, then also the new node is pure ghost
			if (mesh.isPureGhostNode(extreme_nodes[0]) \|\|
			mesh.isPureGhostNode(extreme_nodes[1]))
			nodes_type(node_index) = -3;
			// if on of the two extreme nodes is local, then also the new node is local
			else if (mesh.isLocalNode(extreme_nodes[0]) \|\|
			mesh.isLocalNode(extreme_nodes[1]))
			nodes_type(node_index) = -1;

			// otherwise use the value stored in the map
			else {
			std::sort(extreme_nodes, extreme_nodes+2);

			seg_type_it = segment_conn_to_node_type.find(std::make_pair(extreme_nodes[0],
			extreme_nodes[1]));

			AKANTU_DEBUG_ASSERT(seg_type_it != seg_type_end, "Segment not found");

			nodes_type(node_index) = seg_type_it->second;
			}

			checked_node(node_index - old_nodes) = true;
			}
			}

			AKANTU_DEBUG_ASSERT(std::accumulate(checked_node.begin(), checked_node.end(), 0)
			== Int(checked_node.getSize()),
			"Not all new nodes were assigned a node type");
			}

			__END_AKANTU__

rAKA/src/mesh_igfem_spherical_growing_gel_tmpl.hh1a75d6150242bugfixes/init…

mesh_igfem_spherical_growing_gel_tmpl.hhView Options

rAKA/src/mesh_igfem_spherical_growing_gel_tmpl.hh
1a75d6150242bugfixes/init…

mesh_igfem_spherical_growing_gel_tmpl.hh
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