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::UOprocess 00026 00027 Description 00028 Random UO process. 00029 00030 SourceFiles 00031 UOprocess.C 00032 00033 \*---------------------------------------------------------------------------*/ 00034 00035 #ifndef UOprocess_H 00036 #define UOprocess_H 00037 00038 #include <OpenFOAM/complexFields.H> 00039 #include <OpenFOAM/scalar.H> 00040 #include <OpenFOAM/Random.H> 00041 00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00043 00044 namespace Foam 00045 { 00046 00047 class Kmesh; 00048 class dictionary; 00049 00050 /*---------------------------------------------------------------------------*\ 00051 Class UOprocess Declaration 00052 \*---------------------------------------------------------------------------*/ 00053 00054 class UOprocess 00055 { 00056 // Private data 00057 00058 Random GaussGen; 00059 00060 const Kmesh& Mesh; 00061 const scalar DeltaT, RootDeltaT; 00062 complexVectorField UOfield; 00063 00064 scalar Alpha; 00065 scalar Sigma; 00066 scalar Kupper; 00067 scalar Klower; 00068 scalar Scale; 00069 00070 00071 // Private Member Functions 00072 00073 complexVector WeinerProcess(); 00074 00075 00076 public: 00077 00078 // Constructors 00079 00080 //- Construct from wavenumber mesh and timestep 00081 UOprocess 00082 ( 00083 const Kmesh& kmesh, 00084 const scalar deltaT, 00085 const dictionary& 00086 ); 00087 00088 00089 // Member Functions 00090 00091 const complexVectorField& newField(); 00092 }; 00093 00094 00095 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00096 00097 } // End namespace Foam 00098 00099 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00100 00101 #endif 00102 00103 // ************************ vim: set sw=4 sts=4 et: ************************ //
