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