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MapFvSurfaceField.H

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software: you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by
00013     the Free Software Foundation, either version 3 of the License, or
00014     (at your option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
00023 
00024 Class
00025     Foam::MapFvSurfaceField
00026 
00027 Description
00028     Map Surface internal field on topology change.  This is a partial
00029     template specialisation, see MapGeometricFields.
00030 
00031 \*---------------------------------------------------------------------------*/
00032 
00033 #ifndef MapFvSurfaceField_H
00034 #define MapFvSurfaceField_H
00035 
00036 #include <OpenFOAM/Field.H>
00037 #include <finiteVolume/surfaceMesh.H>
00038 
00039 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00040 
00041 namespace Foam
00042 {
00043 
00044 template<class Type, class MeshMapper>
00045 class MapInternalField<Type, MeshMapper, surfaceMesh>
00046 {
00047 public:
00048 
00049     MapInternalField()
00050     {}
00051 
00052     void operator()
00053     (
00054         Field<Type>& field,
00055         const MeshMapper& mapper
00056     ) const;
00057 };
00058 
00059 
00060 template<class Type, class MeshMapper>
00061 void MapInternalField<Type, MeshMapper, surfaceMesh>::operator()
00062 (
00063     Field<Type>& field,
00064     const MeshMapper& mapper
00065 ) const
00066 {
00067     if (field.size() != mapper.surfaceMap().sizeBeforeMapping())
00068     {
00069         FatalErrorIn
00070         (
00071             "void MapInternalField<Type, MeshMapper, surfaceMesh>::operator()\n"
00072             "(\n"
00073             "    Field<Type>& field,\n"
00074             "    const MeshMapper& mapper\n"
00075             ") const"
00076         )  << "Incompatible size before mapping.  Field size: " << field.size()
00077            << " map size: " << mapper.surfaceMap().sizeBeforeMapping()
00078            << abort(FatalError);
00079     }
00080 
00081     field.autoMap(mapper.surfaceMap());
00082 
00083     // Flip the flux
00084     const labelList flipFaces = mapper.surfaceMap().flipFaceFlux().toc();
00085 
00086     forAll (flipFaces, i)
00087     {
00088         if (flipFaces[i] < field.size())
00089         {
00090             field[flipFaces[i]] *= -1.0;
00091         }
00092     }
00093 }
00094 
00095 
00096 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00097 
00098 } // End namespace Foam
00099 
00100 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00101 
00102 #endif
00103 
00104 // ************************ vim: set sw=4 sts=4 et: ************************ //
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