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mesh_utils.hh
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			/**
			* @file mesh_utils.hh
			*
			* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
			* @author Leonardo Snozzi <leonardo.snozzi@epfl.ch>
			* @author Marco Vocialta <marco.vocialta@epfl.ch>
			* @author Dana Christen <dana.christen@epfl.ch>
			* @author David Simon Kammer <david.kammer@epfl.ch>
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			*
			* @date creation: Fri Aug 20 2010
			* @date last modification: Mon Jun 23 2014
			*
			* @brief All mesh utils necessary for various tasks
			*
			* @section LICENSE
			*
			* Copyright (©) 2010-2012, 2014 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 "aka_common.hh"
			#include "mesh.hh"
			#include "aka_csr.hh"
			#include "distributed_synchronizer.hh"
			/* -------------------------------------------------------------------------- */

			#include <vector>

			/* -------------------------------------------------------------------------- */
			#ifndef __AKANTU_MESH_UTILS_HH__
			#define __AKANTU_MESH_UTILS_HH__

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


			__BEGIN_AKANTU__

			class MeshUtils {

			/* ------------------------------------------------------------------------ */
			/* Methods */
			/* ------------------------------------------------------------------------ */
			public:

			/// build a CSR<UInt> that contains for each node the linearized number of
			/// the connected elements of a given spatial dimension
			static void buildNode2Elements(const Mesh & mesh,
			CSR<UInt> & node_to_elem,
			UInt spatial_dimension = _all_dimensions);
			/// build a CSR<Element> that contains for each node the list of connected
			/// elements of a given spatial dimension
			static void buildNode2Elements(const Mesh & mesh,
			CSR<Element> & node_to_elem,
			UInt spatial_dimension = _all_dimensions);

			/// build a CSR<UInt> that contains for each node the number of
			/// the connected elements of a given ElementType
			static void buildNode2ElementsElementTypeMap(const Mesh & mesh,
			CSR<UInt> & node_to_elem,
			const ElementType & type,
			const GhostType & ghost_type = _not_ghost);

			/// build the facets elements on the boundaries of a mesh
			static void buildFacets(Mesh & mesh);

			/// build all the facets elements: boundary and internals and store them in
			/// the mesh_facets for element of dimension from_dimension to to_dimension
			static void buildAllFacets(const Mesh & mesh,
			Mesh & mesh_facets,
			UInt from_dimension,
			UInt to_dimension,
			DistributedSynchronizer * synchronizer = NULL);

			/// build all the facets elements: boundary and internals and store them in
			/// the mesh_facets
			static void buildAllFacets(const Mesh & mesh,
			Mesh & mesh_facets,
			UInt to_dimension = 0,
			DistributedSynchronizer * synchronizer = NULL);


			/// build facets for a given spatial dimension
			static void buildFacetsDimension(const Mesh & mesh,
			Mesh & mesh_facets,
			bool boundary_only,
			UInt dimension,
			const ElementTypeMapArray<UInt> * prank_to_element = NULL);

			/// take the local_connectivity array as the array of local and ghost
			/// connectivity, renumber the nodes and set the connectivity of the mesh
			static void renumberMeshNodes(Mesh & mesh,
			UInt * local_connectivities,
			UInt nb_local_element,
			UInt nb_ghost_element,
			ElementType type,
			Array<UInt> & old_nodes);

			/// compute pbc pair for a given direction
			static void computePBCMap(const Mesh & mymesh, const UInt dir,
			std::map<UInt,UInt> & pbc_pair);
			/// compute pbc pair for a surface pair
			static void computePBCMap(const Mesh & mymesh,
			const std::pair<Surface, Surface> & surface_pair,
			std::map<UInt,UInt> & pbc_pair);

			/// remove not connected nodes /!\ this functions renumbers the nodes.
			static void purifyMesh(Mesh & mesh);

			#if defined(AKANTU_COHESIVE_ELEMENT)
			/// function to insert cohesive elements on the selected facets
			/// @return number of facets that have been doubled
			static UInt insertCohesiveElements(Mesh & mesh,
			Mesh & mesh_facets,
			const ElementTypeMapArray<bool> & facet_insertion,
			Array<UInt> & doubled_nodes,
			Array<Element> & new_elements,
			bool only_double_facets);
			#endif

			/// fill the subelement to element and the elements to subelements data
			static void fillElementToSubElementsData(Mesh & mesh);

			/// flip facets based on global connectivity
			static void flipFacets(Mesh & mesh_facets,
			const ElementTypeMapArray<UInt> & global_connectivity,
			GhostType gt_facet);

			/// provide list of elements around a node and check if a given
			/// facet is reached
			template <bool third_dim_points>
			static bool findElementsAroundSubfacet(const Mesh & mesh,
			const Mesh & mesh_facets,
			const Element & starting_element,
			const Element & end_facet,
			const Vector<UInt> & subfacet_connectivity,
			std::vector<Element> & elem_list,
			std::vector<Element> & facet_list,
			std::vector<Element> * subfacet_list = NULL);

			/// function to check if a node belongs to a given element
			static inline bool hasElement(const Array<UInt> & connectivity,
			const Element & el,
			const Vector<UInt> & nodes);

			/// reset facet_to_double arrays in the Mesh
			static void resetFacetToDouble(Mesh & mesh_facets);

			/// associate a node type to each segment in the mesh
			static void buildSegmentToNodeType(const Mesh & mesh,
			Mesh & mesh_facets,
			DistributedSynchronizer * synchronizer);

			/// update local and master global connectivity when new nodes are added
			static UInt updateLocalMasterGlobalConnectivity(Mesh & mesh, UInt old_nb_nodes);

			private:

			/// match pairs that are on the associated pbc's
			static void matchPBCPairs(const Mesh & mymesh,
			const UInt dir,
			Array<UInt> & selected_left,
			Array<UInt> & selected_right,
			std::map<UInt,UInt> & pbc_pair);

			/// function used by all the renumbering functions
			static void renumberNodesInConnectivity(UInt * list_nodes,
			UInt nb_nodes,
			std::map<UInt, UInt> & renumbering_map);

			/// update facet_to_subfacet
			static void updateFacetToSubfacet(Mesh & mesh_facets,
			ElementType type_subfacet,
			GhostType gt_subfacet,
			bool facet_mode);

			/// update subfacet_to_facet
			static void updateSubfacetToFacet(Mesh & mesh_facets,
			ElementType type_subfacet,
			GhostType gt_subfacet,
			bool facet_mode);

			/// function to double a given facet and update the list of doubled
			/// nodes
			static void doubleFacet(Mesh & mesh,
			Mesh & mesh_facets,
			UInt facet_dimension,
			Array<UInt> & doubled_nodes,
			bool facet_mode);

			/// function to double a subfacet given start and end index for
			/// local facet_to_subfacet vector, and update the list of doubled
			/// nodes
			template <UInt spatial_dimension>
			static void doubleSubfacet(Mesh & mesh,
			Mesh & mesh_facets,
			Array<UInt> & doubled_nodes);

			/// double a node
			static void doubleNodes(Mesh & mesh,
			const std::vector<UInt> & old_nodes,
			Array<UInt> & doubled_nodes);

			/// fill facet_to_double array in the mesh
			/// returns the number of facets to be doubled
			static UInt updateFacetToDouble(Mesh & mesh_facets,
			const ElementTypeMapArray<bool> & facet_insertion);

			/// find subfacets to be doubled
			template <bool subsubfacet_mode>
			static void findSubfacetToDouble(Mesh & mesh, Mesh & mesh_facets);

			/// double facets (points) in 1D
			static void doublePointFacet(Mesh & mesh,
			Mesh & mesh_facets,
			Array<UInt> & doubled_nodes);

			#if defined(AKANTU_COHESIVE_ELEMENT)
			/// update cohesive element data
			static void updateCohesiveData(Mesh & mesh,
			Mesh & mesh_facets,
			Array<Element> & new_elements);
			#endif

			/// update elemental connectivity after doubling a node
			inline static void updateElementalConnectivity(Mesh & mesh,
			UInt old_node,
			UInt new_node,
			const std::vector<Element> & element_list,
			const std::vector<Element> * facet_list = NULL);

			/// double middle nodes if facets are _segment_3
			template <bool third_dim_segments>
			static void updateQuadraticSegments(Mesh & mesh,
			Mesh & mesh_facets,
			ElementType type_facet,
			GhostType gt_facet,
			Array<UInt> & doubled_nodes);

			/// remove elements on a vector
			inline static bool removeElementsInVector(const std::vector<Element> & elem_to_remove,
			std::vector<Element> & elem_list);

			/* ------------------------------------------------------------------------ */
			/* Accessors */
			/* ------------------------------------------------------------------------ */
			public:

			/* ------------------------------------------------------------------------ */
			/* Class Members */
			/* ------------------------------------------------------------------------ */
			private:

			};

			/* -------------------------------------------------------------------------- */
			/* inline functions */
			/* -------------------------------------------------------------------------- */
			#include "mesh_utils_inline_impl.cc"

			__END_AKANTU__
			#endif /* __AKANTU_MESH_UTILS_HH__ */

rAKA/src/mesh_utils/mesh_utils.hh1ce2acdb9ebffeatures/ci_code_quality

mesh_utils.hhView Options

rAKA/src/mesh_utils/mesh_utils.hh
1ce2acdb9ebffeatures/ci_code_quality

mesh_utils.hh
View Options