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::DILUSmoother 00026 00027 Description 00028 Simplified diagonal-based incomplete LU smoother for asymmetric matrices. 00029 00030 To improve efficiency, the residual is evaluated after every nSweeps 00031 sweeps. 00032 00033 SourceFiles 00034 DILUSmoother.C 00035 00036 \*---------------------------------------------------------------------------*/ 00037 00038 #ifndef DILUSmoother_H 00039 #define DILUSmoother_H 00040 00041 #include <OpenFOAM/lduMatrix.H> 00042 00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00044 00045 namespace Foam 00046 { 00047 00048 /*---------------------------------------------------------------------------*\ 00049 Class DILUSmoother Declaration 00050 \*---------------------------------------------------------------------------*/ 00051 00052 class DILUSmoother 00053 : 00054 public lduMatrix::smoother 00055 { 00056 // Private data 00057 00058 //- The reciprocal preconditioned diagonal 00059 scalarField rD_; 00060 00061 00062 public: 00063 00064 //- Runtime type information 00065 TypeName("DILU"); 00066 00067 00068 // Constructors 00069 00070 //- Construct from matrix components 00071 DILUSmoother 00072 ( 00073 const word& fieldName, 00074 const lduMatrix& matrix, 00075 const FieldField<Field, scalar>& interfaceBouCoeffs, 00076 const FieldField<Field, scalar>& interfaceIntCoeffs, 00077 const lduInterfaceFieldPtrsList& interfaces 00078 ); 00079 00080 00081 // Member Functions 00082 00083 //- Smooth the solution for a given number of sweeps 00084 void smooth 00085 ( 00086 scalarField& psi, 00087 const scalarField& source, 00088 const direction cmpt, 00089 const label nSweeps 00090 ) const; 00091 }; 00092 00093 00094 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00095 00096 } // End namespace Foam 00097 00098 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00099 00100 #endif 00101 00102 // ************************ vim: set sw=4 sts=4 et: ************************ //
