src/dynamicMesh/polyTopoChange/attachPolyTopoChanger/attachPolyTopoChanger.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by
  13     the Free Software Foundation, either version 3 of the License, or
  14     (at your option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 \*---------------------------------------------------------------------------*/
  25
  26 #include "attachPolyTopoChanger.H"
  27 #include "polyMesh.H"
  28 #include "polyTopoChange.H"
  29
  30 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  31
  32 Foam::attachPolyTopoChanger::attachPolyTopoChanger
  33 (
  34     const IOobject& io,
  35     polyMesh& mesh
  36 )
  37 :
  38     polyTopoChanger(io, mesh)
  39 {}
  40
  41
  42 Foam::attachPolyTopoChanger::attachPolyTopoChanger
  43 (
  44     polyMesh& mesh
  45 )
  46 :
  47     polyTopoChanger(mesh)
  48 {}
  49
  50
  51 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  52
  53 //- Attach mesh
  54 void Foam::attachPolyTopoChanger::attach(const bool removeEmptyPatches)
  55 {
  56     if (debug)
  57     {
  58         Pout<< "void attachPolyTopoChanger::attach(): "
  59             << "Attaching mesh" << endl;
  60     }
  61
  62     // Save current file instance
  63     const fileName oldInst = mesh_.facesInstance();
  64
  65     // Execute all polyMeshModifiers
  66     changeMesh(false);  // no inflation
  67
  68     const pointField p = mesh_.oldPoints();
  69
  70     mesh_.movePoints(p);
  71
  72     if (debug)
  73     {
  74         Pout<< "Clearing mesh." << endl;
  75     }
  76
  77     if (removeEmptyPatches)
  78     {
  79         // Re-do the boundary patches, removing the ones with zero size
  80         const polyBoundaryMesh& oldPatches = mesh_.boundaryMesh();
  81
  82         List<polyPatch*> newPatches(oldPatches.size());
  83         label nNewPatches = 0;
  84
  85         forAll(oldPatches, patchI)
  86         {
  87             if (oldPatches[patchI].size())
  88             {
  89                 newPatches[nNewPatches] = oldPatches[patchI].clone
  90                 (
  91                     mesh_.boundaryMesh(),
  92                     nNewPatches,
  93                     oldPatches[patchI].size(),
  94                     oldPatches[patchI].start()
  95                 ).ptr();
  96
  97                 nNewPatches++;
  98             }
  99             else
 100             {
 101                 if (debug)
 102                 {
 103                     Pout<< "Removing zero-sized patch " << patchI
 104                         << " named " << oldPatches[patchI].name() << endl;
 105                 }
 106             }
 107         }
 108
 109         newPatches.setSize(nNewPatches);
 110
 111         mesh_.removeBoundary();
 112         mesh_.addPatches(newPatches);
 113     }
 114
 115     // Reset the file instance to overwrite the original mesh
 116     mesh_.setInstance(oldInst);
 117
 118     if (debug)
 119     {
 120         Pout<< "void attachPolyTopoChanger::attach(): "
 121             << "Finished attaching mesh" << endl;
 122     }
 123
 124     mesh_.checkMesh();
 125 }
 126
 127
 128 // ************************************************************************* //