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::turbGen 00026 00027 Description 00028 Generate a turbulent velocity field conforming to a given 00029 energy spectrum and being divergence free. 00030 00031 SourceFiles 00032 turbGen.C 00033 turbGenIO.C 00034 00035 \*---------------------------------------------------------------------------*/ 00036 00037 #ifndef turbGen_H 00038 #define turbGen_H 00039 00040 #include <OpenFOAM/Random.H> 00041 #include <OpenFOAM/primitiveFields.H> 00042 00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00044 00045 namespace Foam 00046 { 00047 00048 class Kmesh; 00049 00050 /*---------------------------------------------------------------------------*\ 00051 Class turbGen Declaration 00052 \*---------------------------------------------------------------------------*/ 00053 00054 class turbGen 00055 { 00056 // Private data 00057 00058 const Kmesh& K; 00059 const scalar Ea; 00060 const scalar k0; 00061 Random RanGen; 00062 00063 00064 public: 00065 00066 // Constructors 00067 00068 //- Construct from components 00069 turbGen(const Kmesh& k, const scalar EA, const scalar K0); 00070 00071 00072 // Member Functions 00073 00074 //- Generate and return a velocity field 00075 vectorField U(); 00076 }; 00077 00078 00079 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00080 00081 } // End namespace Foam 00082 00083 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00084 00085 #endif 00086 00087 // ************************ vim: set sw=4 sts=4 et: ************************ //