src/finiteArea/faMesh/faGlobalMeshData/faGlobalMeshData.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     | Version:     3.2
   5     \\  /    A nd           | Web:         http://www.foam-extend.org
   6      \\/     M anipulation  | For copyright notice see file Copyright
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of foam-extend.
  10
  11     foam-extend is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by the
  13     Free Software Foundation, either version 3 of the License, or (at your
  14     option) any later version.
  15
  16     foam-extend is distributed in the hope that it will be useful, but
  17     WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 Class
  25     faGlobalMeshData
  26
  27 Description
  28
  29 Author
  30     Hrvoje Jasak
  31
  32 \*----------------------------------------------------------------------------*/
  33
  34 #include "faGlobalMeshData.H"
  35 #include "faMesh.H"
  36 #include "globalMeshData.H"
  37 #include "PstreamCombineReduceOps.H"
  38
  39 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  40
  41 Foam::faGlobalMeshData::faGlobalMeshData(const faMesh& mesh)
  42 :
  43     faProcessorTopology(mesh.boundary()),
  44     mesh_(mesh),
  45     nGlobalPoints_(-1),
  46     sharedPointLabels_(0),
  47     sharedPointAddr_(0)
  48 {
  49     updateMesh();
  50 }
  51
  52
  53 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
  54
  55 Foam::faGlobalMeshData::~faGlobalMeshData()
  56 {}
  57
  58
  59 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  60
  61 const Foam::faMesh& Foam::faGlobalMeshData::mesh() const
  62 {
  63     return mesh_;
  64 }
  65
  66
  67 // Update all data after morph
  68 void Foam::faGlobalMeshData::updateMesh()
  69 {
  70     label polyMeshNGlobalPoints =
  71         mesh_().globalData().nGlobalPoints();
  72
  73     const labelList& polyMeshSharedPointLabels =
  74         mesh_().globalData().sharedPointLabels();
  75
  76     const labelList& polyMeshSharedPointAddr =
  77         mesh_().globalData().sharedPointAddr();
  78
  79     labelHashSet sharedPointLabels;
  80
  81     labelField globalList(polyMeshNGlobalPoints, 0);
  82
  83     forAll(mesh_.boundary(), patchI)
  84     {
  85         if(mesh_.boundary()[patchI].type() == processorFaPatch::typeName)
  86         {
  87             const labelList& localPointLabels =
  88                 mesh_.boundary()[patchI].pointLabels();
  89
  90             forAll(localPointLabels, pointI)
  91             {
  92                 label polyMeshPoint =
  93                     mesh_.patch().meshPoints()[localPointLabels[pointI]];
  94
  95                 label sharedPolyMeshPoint =
  96                     findIndex(polyMeshSharedPointLabels, polyMeshPoint);
  97
  98                 if
  99                 (
 100                     sharedPolyMeshPoint != -1
 101                  && !sharedPointLabels.found(localPointLabels[pointI])
 102                 )
 103                 {
 104                     globalList[polyMeshSharedPointAddr[sharedPolyMeshPoint]]
 105                         += 1;
 106
 107                     sharedPointLabels.insert(localPointLabels[pointI]);
 108                 }
 109             }
 110         }
 111     }
 112
 113     sharedPointLabels_ = sharedPointLabels.toc();
 114
 115     combineReduce(globalList, plusEqOp<labelField >());
 116
 117     nGlobalPoints_ = 0;
 118     for (label i=0; i<globalList.size(); i++)
 119     {
 120         if(globalList[i] > 0)
 121         {
 122             globalList[i] = ++nGlobalPoints_;
 123         }
 124     }
 125
 126     sharedPointAddr_.setSize(sharedPointLabels_.size());
 127     forAll(sharedPointAddr_, pointI)
 128     {
 129         label polyMeshSharedPointIndex = findIndex
 130         (
 131             polyMeshSharedPointLabels,
 132             mesh_.patch().meshPoints()[sharedPointLabels_[pointI]]
 133         );
 134
 135         sharedPointAddr_[pointI] =
 136             globalList[polyMeshSharedPointAddr[polyMeshSharedPointIndex]]
 137           - 1;
 138     }
 139 }
 140
 141 // ************************************************************************* //