mesh_communication.h

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00001 // The libMesh Finite Element Library.
00002 // Copyright (C) 2002-2012 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
00003 
00004 // This library is free software; you can redistribute it and/or
00005 // modify it under the terms of the GNU Lesser General Public
00006 // License as published by the Free Software Foundation; either
00007 // version 2.1 of the License, or (at your option) any later version.
00008 
00009 // This library is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012 // Lesser General Public License for more details.
00013 
00014 // You should have received a copy of the GNU Lesser General Public
00015 // License along with this library; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017 
00018 
00019 
00020 #ifndef LIBMESH_MESH_COMMUNICATION_H
00021 #define LIBMESH_MESH_COMMUNICATION_H
00022 
00023 
00024 
00025 // Local Includes -----------------------------------
00026 #include "libmesh/libmesh_common.h"
00027 #include "libmesh/mesh_tools.h"
00028 
00029 // C++ Includes   -----------------------------------
00030 
00031 namespace libMesh
00032 {
00033 
00034 // Forward declarations
00035 class MeshBase;
00036 class ParallelMesh;
00037 class BoundaryInfo;
00038 template <typename T> class LocationMap;
00039 
00040 
00041 
00051 // ------------------------------------------------------------
00052 // MeshCommunication class definition
00053 class MeshCommunication
00054 {
00055 public:
00056 
00060   MeshCommunication () {}
00061 
00065   ~MeshCommunication () {}
00066 
00070   void clear ();
00071 
00072 //   /**
00073 //    * Finds all the processors that may contain
00074 //    * elements that neighbor my elements.  This list
00075 //    * is guaranteed to include all processors that border
00076 //    * any of my elements, but may include additional ones as
00077 //    * well.  This method computes bounding boxes for the
00078 //    * elements on each processor and checks for overlaps.
00079 //    */
00080 //   void find_neighboring_processors(const MeshBase &);
00081 
00088   void broadcast (MeshBase &) const;
00089 
00101   void redistribute (ParallelMesh &) const;
00102 
00106   void gather_neighboring_elements (ParallelMesh &) const;
00107 
00116   void allgather (ParallelMesh &) const;
00117 
00132   void delete_remote_elements (ParallelMesh &, const std::set<Elem *> &) const;
00133 
00144   void assign_global_indices (MeshBase &) const;
00145 
00146 
00151   template <typename ForwardIterator>
00152   void find_global_indices (const MeshTools::BoundingBox &,
00153                             const ForwardIterator &,
00154                             const ForwardIterator &,
00155                             std::vector<dof_id_type> &) const;
00156 
00160   void make_elems_parallel_consistent (MeshBase &);
00161 
00167   void make_node_ids_parallel_consistent (MeshBase &,
00168                                           LocationMap<Node> &);
00169 
00175   void make_node_proc_ids_parallel_consistent (MeshBase &,
00176                                                LocationMap<Node> &);
00177 
00184   void make_nodes_parallel_consistent (MeshBase &,
00185                                        LocationMap<Node> &);
00186 };
00187 
00188 
00189 
00190 //--------------------------------------------------------------
00191 // MeshCommunication inline members
00192 
00193 
00194 } // namespace libMesh
00195 
00196 #endif // LIBMESH_MESH_COMMUNICATION_H
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Last modified: February 05 2013 19:54:47 UTC

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