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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 linearDiff 00027 00028 Description 00029 Linear distance-based motion diffusion. 00030 00031 SourceFiles 00032 linearDiff.C 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef linearDiff_H 00037 #define linearDiff_H 00038 00039 #include "motionDiff.H" 00040 #include "elementFields.H" 00041 00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00043 00044 namespace Foam 00045 { 00046 00047 /*---------------------------------------------------------------------------*\ 00048 Class linearDiff Declaration 00049 \*---------------------------------------------------------------------------*/ 00050 00051 class linearDiff 00052 : 00053 public motionDiff 00054 { 00055 private: 00056 00057 // Private data 00058 00059 //- Patches selected to base the distance on 00060 wordList patchNames_; 00061 00062 //- Diffusion field 00063 elementScalarField gamma_; 00064 00065 // Private Member Functions 00066 00067 //- Disallow default bitwise copy construct 00068 linearDiff(const linearDiff&); 00069 00070 //- Disallow default bitwise assignment 00071 void operator=(const linearDiff&); 00072 00073 protected: 00074 00075 //- Return non constant diffusivity field 00076 elementScalarField& gamma() 00077 { 00078 return gamma_; 00079 } 00080 00081 public: 00082 00083 //- Runtime type information 00084 TypeName("linear"); 00085 00086 00087 // Constructors 00088 00089 //- Construct from components 00090 linearDiff 00091 ( 00092 const tetDecompositionMotionSolver& mSolver 00093 ); 00094 00095 00096 // Destructor 00097 00098 virtual ~linearDiff(); 00099 00100 00101 // Member Functions 00102 00103 //- Return cell distance field 00104 tmp<scalarField> L() const; 00105 00106 //- Return diffusivity field 00107 const elementScalarField& gamma() const 00108 { 00109 return gamma_; 00110 } 00111 00112 //- Correct the motion diffusivity 00113 virtual void correct(); 00114 }; 00115 00116 00117 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00118 00119 } // End namespace Foam 00120 00121 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00122 00123 #endif 00124 00125 // ************************************************************************* //