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emptyFvPatch.H

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2005 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 the
00013     Free Software Foundation; either version 2 of the License, or (at your
00014     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, write to the Free Software Foundation,
00023     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
00024 
00025 Class
00026     emptyFvPatch
00027 
00028 Description
00029     A patch which will not exist in the fvMesh. Typical example is a front and
00030     back plane of a 2-D geometry
00031 
00032 SourceFiles
00033     emptyFvPatch.C
00034 
00035 \*---------------------------------------------------------------------------*/
00036 
00037 #ifndef emptyFvPatch_H
00038 #define emptyFvPatch_H
00039 
00040 #include "fvPatch.H"
00041 #include "emptyPolyPatch.H"
00042 
00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00044 
00045 namespace Foam
00046 {
00047 
00048 /*---------------------------------------------------------------------------*\
00049                            Class emptyFvPatch Declaration
00050 \*---------------------------------------------------------------------------*/
00051 
00052 class emptyFvPatch
00053 :
00054     public fvPatch
00055 {
00056     // Private data
00057 
00058         static const vectorField emptyNf_;
00059 
00060 
00061 public:
00062 
00063     //- Runtime type information
00064     TypeName(emptyPolyPatch::typeName_());
00065 
00066 
00067     // Constructors
00068 
00069         //- Construct from polyPatch
00070         emptyFvPatch(const polyPatch& patch, const fvBoundaryMesh& bm)
00071         :
00072             fvPatch(patch, bm)
00073         {}
00074 
00075 
00076     // Member Functions
00077 
00078         virtual label size() const
00079         {
00080             return 0;
00081         }
00082 
00083         //- Return face normals. Over-riding base class return to get zero size
00084         // 
00085         virtual const vectorField& nf() const;
00086 };
00087 
00088 
00089 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00090 
00091 } // End namespace Foam
00092 
00093 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00094 
00095 #endif
00096 
00097 // ************************************************************************* //
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