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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 turbGen 00027 00028 Description 00029 Generate a turbulent velocity field conforming to a given 00030 energy spectrum and being divergence free. 00031 00032 SourceFiles 00033 turbGen.C 00034 turbGenIO.C 00035 00036 \*---------------------------------------------------------------------------*/ 00037 00038 #ifndef turbGen_H 00039 #define turbGen_H 00040 00041 #include "Random.H" 00042 #include "primitiveFields.H" 00043 00044 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00045 00046 namespace Foam 00047 { 00048 00049 class Kmesh; 00050 00051 /*---------------------------------------------------------------------------*\ 00052 Class turbGen Declaration 00053 \*---------------------------------------------------------------------------*/ 00054 00055 class turbGen 00056 { 00057 // Private data 00058 00059 const Kmesh& K; 00060 const scalar Ea; 00061 const scalar k0; 00062 Random RanGen; 00063 00064 00065 public: 00066 00067 // Constructors 00068 00069 //- Construct from components 00070 turbGen(const Kmesh& k, const scalar EA, const scalar K0); 00071 00072 00073 // Member Functions 00074 00075 //- Generate and return a velocity field 00076 vectorField U(); 00077 }; 00078 00079 00080 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00081 00082 } // End namespace Foam 00083 00084 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00085 00086 #endif 00087 00088 // ************************************************************************* //