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turbGen.H

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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 // ************************************************************************* //
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