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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 linearUpwind 00027 00028 Description 00029 linearUpwind interpolation scheme class derived from upwind and returns 00030 upwind weighting factors but also applies an explicit correction. 00031 00032 SourceFiles 00033 linearUpwind.C 00034 00035 \*---------------------------------------------------------------------------*/ 00036 00037 #ifndef linearUpwind_H 00038 #define linearUpwind_H 00039 00040 #include "upwind.H" 00041 #include "gaussGrad.H" 00042 00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00044 00045 namespace Foam 00046 { 00047 00048 /*---------------------------------------------------------------------------*\ 00049 Class linearUpwind Declaration 00050 \*---------------------------------------------------------------------------*/ 00051 00052 template<class Type> 00053 class linearUpwind 00054 : 00055 public upwind<Type> 00056 { 00057 // Private Data 00058 00059 tmp<fv::gradScheme<Type> > gradScheme_; 00060 00061 00062 // Private Member Functions 00063 00064 //- Disallow default bitwise copy construct 00065 linearUpwind(const linearUpwind&); 00066 00067 //- Disallow default bitwise assignment 00068 void operator=(const linearUpwind&); 00069 00070 00071 public: 00072 00073 //- Runtime type information 00074 TypeName("linearUpwind"); 00075 00076 00077 // Constructors 00078 00079 //- Construct from faceFlux 00080 linearUpwind 00081 ( 00082 const fvMesh& mesh, 00083 const surfaceScalarField& faceFlux 00084 ) 00085 : 00086 upwind<Type>(mesh, faceFlux), 00087 gradScheme_ 00088 ( 00089 new fv::gaussGrad<Type>(mesh) 00090 ) 00091 {} 00092 00093 //- Construct from Istream. 00094 // The name of the flux field is read from the Istream and looked-up 00095 // from the mesh objectRegistry 00096 linearUpwind 00097 ( 00098 const fvMesh& mesh, 00099 Istream& schemeData 00100 ) 00101 : 00102 upwind<Type>(mesh, schemeData), 00103 gradScheme_ 00104 ( 00105 fv::gradScheme<Type>::New 00106 ( 00107 mesh, 00108 schemeData 00109 ) 00110 ) 00111 {} 00112 00113 //- Construct from faceFlux and Istream 00114 linearUpwind 00115 ( 00116 const fvMesh& mesh, 00117 const surfaceScalarField& faceFlux, 00118 Istream& schemeData 00119 ) 00120 : 00121 upwind<Type>(mesh, faceFlux, schemeData), 00122 gradScheme_ 00123 ( 00124 fv::gradScheme<Type>::New 00125 ( 00126 mesh, 00127 schemeData 00128 ) 00129 ) 00130 {} 00131 00132 00133 // Member Functions 00134 00135 //- Return true if this scheme uses an explicit correction 00136 virtual bool corrected() const 00137 { 00138 return true; 00139 } 00140 00141 //- Return the explicit correction to the face-interpolate 00142 virtual tmp<GeometricField<Type, fvPatchField, surfaceMesh> > 00143 correction 00144 ( 00145 const GeometricField<Type, fvPatchField, volMesh>& vf 00146 ) const; 00147 }; 00148 00149 00150 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00151 00152 } // End namespace Foam 00153 00154 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00155 00156 #endif 00157 00158 // ************************************************************************* //