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anisotropicFilter.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::anisotropicFilter
00026 
00027 Description
00028     anisotropic filter
00029 
00030     @verbatim
00031     Kernel                 as filter          as Test filter with ratio 2
00032     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
00033     Box filter:            g = delta2/24  ->  g = delta2/6
00034     Spherical box filter:  g = delta2/64  ->  g = delta2/16
00035     Gaussian filter:       g = delta2/24  ->  g = delta2/6
00036     @endverbatim
00037 
00038 SourceFiles
00039     anisotropicFilter.C
00040 
00041 \*---------------------------------------------------------------------------*/
00042 
00043 #ifndef anisotropicFilter_H
00044 #define anisotropicFilter_H
00045 
00046 #include <LESfilters/LESfilter.H>
00047 
00048 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00049 
00050 namespace Foam
00051 {
00052 
00053 /*---------------------------------------------------------------------------*\
00054                            Class anisotropicFilter Declaration
00055 \*---------------------------------------------------------------------------*/
00056 
00057 class anisotropicFilter
00058 :
00059     public LESfilter
00060 {
00061     // Private data
00062 
00063         scalar widthCoeff_;
00064         volVectorField coeff_;
00065 
00066 
00067     // Private Member Functions
00068 
00069         // Disallow default bitwise copy construct and assignment
00070         anisotropicFilter(const anisotropicFilter&);
00071         void operator=(const anisotropicFilter&);
00072 
00073 
00074 public:
00075 
00076     //- Runtime type information
00077     TypeName("anisotropic");
00078 
00079     // Constructors
00080 
00081         //- Construct from components
00082         anisotropicFilter(const fvMesh& mesh, scalar widthCoeff);
00083 
00084         //- Construct from IOdictionary
00085         anisotropicFilter(const fvMesh& mesh, const dictionary&);
00086 
00087 
00088     //- Destructor
00089     virtual ~anisotropicFilter()
00090     {}
00091 
00092 
00093     // Member Functions
00094 
00095         //- Read the LESfilter dictionary
00096         virtual void read(const dictionary&);
00097 
00098 
00099     // Member Operators
00100 
00101         virtual tmp<volScalarField> operator()(const tmp<volScalarField>&) const;
00102 
00103         virtual tmp<volVectorField> operator()(const tmp<volVectorField>&) const;
00104 
00105         virtual tmp<volSymmTensorField> operator()
00106         (
00107             const tmp<volSymmTensorField>&
00108         ) const;
00109 
00110         virtual tmp<volTensorField> operator()(const tmp<volTensorField>&) const;
00111 };
00112 
00113 
00114 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00115 
00116 } // End namespace Foam
00117 
00118 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00119 
00120 #endif
00121 
00122 // ************************ vim: set sw=4 sts=4 et: ************************ //
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