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::exponentialDiffusivity 00026 00027 Description 00028 Mesh motion diffusivity maipulator which returns the exp(-alpha/D) 00029 of the given diffusivity D. 00030 00031 SourceFiles 00032 exponentialDiffusivity.C 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef exponentialDiffusivity_H 00037 #define exponentialDiffusivity_H 00038 00039 #include <fvMotionSolvers/motionDiffusivity.H> 00040 00041 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00042 00043 namespace Foam 00044 { 00045 00046 /*---------------------------------------------------------------------------*\ 00047 Class exponentialDiffusivity Declaration 00048 \*---------------------------------------------------------------------------*/ 00049 00050 class exponentialDiffusivity 00051 : 00052 public motionDiffusivity 00053 { 00054 // Private data 00055 00056 scalar alpha_; 00057 autoPtr<motionDiffusivity> basicDiffusivityPtr_; 00058 00059 00060 // Private Member Functions 00061 00062 //- Disallow default bitwise copy construct 00063 exponentialDiffusivity(const exponentialDiffusivity&); 00064 00065 //- Disallow default bitwise assignment 00066 void operator=(const exponentialDiffusivity&); 00067 00068 00069 public: 00070 00071 //- Runtime type information 00072 TypeName("exponential"); 00073 00074 00075 // Constructors 00076 00077 //- Construct for the given fvMotionSolver and data Istream 00078 exponentialDiffusivity 00079 ( 00080 const fvMotionSolver& mSolver, 00081 Istream& mdData 00082 ); 00083 00084 00085 // Destructor 00086 00087 virtual ~exponentialDiffusivity(); 00088 00089 00090 // Member Functions 00091 00092 //- Return diffusivity field 00093 virtual tmp<surfaceScalarField> operator()() const; 00094 00095 //- Correct the motion diffusivity 00096 virtual void correct(); 00097 }; 00098 00099 00100 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00101 00102 } // End namespace Foam 00103 00104 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00105 00106 #endif 00107 00108 // ************************ vim: set sw=4 sts=4 et: ************************ //