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::DICSmoother 00026 00027 Description 00028 Simplified diagonal-based incomplete Cholesky smoother for symmetric 00029 matrices. 00030 00031 To improve efficiency, the residual is evaluated after every nSweeps 00032 sweeps. 00033 00034 SourceFiles 00035 DICSmoother.C 00036 00037 \*---------------------------------------------------------------------------*/ 00038 00039 #ifndef DICSmoother_H 00040 #define DICSmoother_H 00041 00042 #include <OpenFOAM/lduMatrix.H> 00043 00044 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00045 00046 namespace Foam 00047 { 00048 00049 /*---------------------------------------------------------------------------*\ 00050 Class DICSmoother Declaration 00051 \*---------------------------------------------------------------------------*/ 00052 00053 class DICSmoother 00054 : 00055 public lduMatrix::smoother 00056 { 00057 // Private data 00058 00059 //- The reciprocal preconditioned diagonal 00060 scalarField rD_; 00061 00062 00063 public: 00064 00065 //- Runtime type information 00066 TypeName("DIC"); 00067 00068 00069 // Constructors 00070 00071 //- Construct from matrix components 00072 DICSmoother 00073 ( 00074 const word& fieldName, 00075 const lduMatrix& matrix, 00076 const FieldField<Field, scalar>& interfaceBouCoeffs, 00077 const FieldField<Field, scalar>& interfaceIntCoeffs, 00078 const lduInterfaceFieldPtrsList& interfaces 00079 ); 00080 00081 00082 // Member Functions 00083 00084 //- Smooth the solution for a given number of sweeps 00085 void smooth 00086 ( 00087 scalarField& psi, 00088 const scalarField& source, 00089 const direction cmpt, 00090 const label nSweeps 00091 ) const; 00092 }; 00093 00094 00095 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00096 00097 } // End namespace Foam 00098 00099 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00100 00101 #endif 00102 00103 // ************************ vim: set sw=4 sts=4 et: ************************ //
