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MGridGenGAMGAgglomeration.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::MGridGenGAMGAgglomeration
00026 
00027 Description
00028     Agglomerate using the MGridGen algorithm.
00029 
00030 SourceFiles
00031     MGridGenGAMGAgglomeration.C
00032     MGridGenGAMGAgglomerate.C
00033 
00034 \*---------------------------------------------------------------------------*/
00035 
00036 #ifndef MGridGenGAMGAgglomeration_H
00037 #define MGridGenGAMGAgglomeration_H
00038 
00039 #include <finiteVolume/fvMesh.H>
00040 #include <OpenFOAM/GAMGAgglomeration.H>
00041 
00042 extern "C"
00043 {
00044 #   include <mgridgen.h>
00045 }
00046 
00047 
00048 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00049 
00050 namespace Foam
00051 {
00052 
00053 class fvMesh;
00054 
00055 /*---------------------------------------------------------------------------*\
00056                            Class MGridGenGAMGAgglomeration Declaration
00057 \*---------------------------------------------------------------------------*/
00058 
00059 class MGridGenGAMGAgglomeration
00060 :
00061     public GAMGAgglomeration
00062 {
00063     // Private data
00064 
00065         const fvMesh& fvMesh_;
00066 
00067 
00068     // Private Member Functions
00069 
00070         //- Construct the CSR format addressing
00071         void makeCompactCellFaceAddressingAndFaceWeights
00072         (
00073             const lduAddressing& fineAddressing,
00074             List<idxtype>& cellCells,
00075             List<idxtype>& cellCellOffsets,
00076             const vectorField& Si,
00077             List<scalar>& faceWeights
00078         );
00079 
00080         //- Calculate and return agglomeration
00081         tmp<labelField> agglomerate
00082         (
00083             label& nCoarseCells,
00084             const label minSize,
00085             const label maxSize,
00086             const lduAddressing& fineAddressing,
00087             const scalarField& V,
00088             const vectorField& Sf,
00089             const scalarField& Sb
00090         );
00091 
00092 
00093         //- Disallow default bitwise copy construct
00094         MGridGenGAMGAgglomeration(const MGridGenGAMGAgglomeration&);
00095 
00096         //- Disallow default bitwise assignment
00097         void operator=(const MGridGenGAMGAgglomeration&);
00098 
00099 
00100 public:
00101 
00102     //- Runtime type information
00103     TypeName("MGridGen");
00104 
00105 
00106     // Constructors
00107 
00108         //- Construct given mesh and controls
00109         MGridGenGAMGAgglomeration
00110         (
00111             const lduMesh& mesh,
00112             const dictionary& controlDict
00113         );
00114 };
00115 
00116 
00117 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00118 
00119 } // End namespace Foam
00120 
00121 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00122 
00123 #endif
00124 
00125 // ************************ vim: set sw=4 sts=4 et: ************************ //
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