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::fv::extendedLeastSquaresGrad 00026 00027 Description 00028 Second-order gradient scheme using least-squares. 00029 00030 SourceFiles 00031 extendedLeastSquaresGrad.C 00032 00033 \*---------------------------------------------------------------------------*/ 00034 00035 #ifndef extendedLeastSquaresGrad_H 00036 #define extendedLeastSquaresGrad_H 00037 00038 #include <finiteVolume/gradScheme.H> 00039 00040 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00041 00042 namespace Foam 00043 { 00044 00045 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00046 00047 namespace fv 00048 { 00049 00050 /*---------------------------------------------------------------------------*\ 00051 Class extendedLeastSquaresGrad Declaration 00052 \*---------------------------------------------------------------------------*/ 00053 00054 template<class Type> 00055 class extendedLeastSquaresGrad 00056 : 00057 public fv::gradScheme<Type> 00058 { 00059 // Private Data 00060 00061 //- Minimum determinant criterion to choose extra cells 00062 scalar minDet_; 00063 00064 00065 // Private Member Functions 00066 00067 //- Disallow default bitwise copy construct 00068 extendedLeastSquaresGrad(const extendedLeastSquaresGrad&); 00069 00070 //- Disallow default bitwise assignment 00071 void operator=(const extendedLeastSquaresGrad&); 00072 00073 00074 public: 00075 00076 //- Runtime type information 00077 TypeName("extendedLeastSquares"); 00078 00079 00080 // Constructors 00081 00082 //- Construct from Istream 00083 extendedLeastSquaresGrad(const fvMesh& mesh, Istream& schemeData) 00084 : 00085 gradScheme<Type>(mesh), 00086 minDet_(readScalar(schemeData)) 00087 { 00088 if (minDet_ < 0 || minDet_ > 8) 00089 { 00090 FatalIOErrorIn 00091 ( 00092 "extendedLeastSquaresGrad" 00093 "(const fvMesh&, Istream& schemeData)", 00094 schemeData 00095 ) << "Minimum determinant = " << minDet_ 00096 << " should be >= 0 and <= 8" 00097 << exit(FatalIOError); 00098 } 00099 } 00100 00101 00102 // Member Functions 00103 00104 tmp 00105 < 00106 GeometricField 00107 <typename outerProduct<vector, Type>::type, fvPatchField, volMesh> 00108 > grad 00109 ( 00110 const GeometricField<Type, fvPatchField, volMesh>& 00111 ) const; 00112 }; 00113 00114 00115 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00116 00117 } // End namespace fv 00118 00119 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00120 00121 } // End namespace Foam 00122 00123 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00124 00125 #ifdef NoRepository 00126 # include <finiteVolume/extendedLeastSquaresGrad.C> 00127 #endif 00128 00129 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00130 00131 #endif 00132 00133 // ************************ vim: set sw=4 sts=4 et: ************************ //
