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::SFCDLimiter 00026 00027 Description 00028 Class with limiter function which returns the limiter for the 00029 SFCD differencing scheme based on phict obtained from the LimiterFunc 00030 class. 00031 00032 Used in conjunction with the template class LimitedScheme. 00033 00034 SourceFiles 00035 SFCD.C 00036 00037 \*---------------------------------------------------------------------------*/ 00038 00039 #ifndef SFCD_H 00040 #define SFCD_H 00041 00042 #include <OpenFOAM/vector.H> 00043 00044 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00045 00046 namespace Foam 00047 { 00048 00049 /*---------------------------------------------------------------------------*\ 00050 Class SFCDLimiter Declaration 00051 \*---------------------------------------------------------------------------*/ 00052 00053 template<class LimiterFunc> 00054 class SFCDLimiter 00055 : 00056 public LimiterFunc 00057 { 00058 00059 public: 00060 00061 SFCDLimiter(Istream&) 00062 {} 00063 00064 scalar limiter 00065 ( 00066 const scalar cdWeight, 00067 const scalar faceFlux, 00068 const typename LimiterFunc::phiType& phiP, 00069 const typename LimiterFunc::phiType& phiN, 00070 const typename LimiterFunc::gradPhiType& gradcP, 00071 const typename LimiterFunc::gradPhiType& gradcN, 00072 const vector& d 00073 ) const 00074 { 00075 scalar phict = LimiterFunc::phict 00076 ( 00077 faceFlux, phiP, phiN, gradcP, gradcN, d 00078 ); 00079 00080 scalar limitPhict = min(max(phict, 0), 0.5); 00081 return limitPhict/(1 - limitPhict); 00082 } 00083 }; 00084 00085 00086 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00087 00088 } // End namespace Foam 00089 00090 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00091 00092 #endif 00093 00094 // ************************ vim: set sw=4 sts=4 et: ************************ //
