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::noPreconditioner 00026 00027 Description 00028 Null preconditioner for both symmetric and asymmetric matrices. 00029 00030 SourceFiles 00031 noPreconditioner.C 00032 00033 \*---------------------------------------------------------------------------*/ 00034 00035 #ifndef noPreconditioner_H 00036 #define noPreconditioner_H 00037 00038 #include <OpenFOAM/lduMatrix.H> 00039 00040 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00041 00042 namespace Foam 00043 { 00044 00045 /*---------------------------------------------------------------------------*\ 00046 Class noPreconditioner Declaration 00047 \*---------------------------------------------------------------------------*/ 00048 00049 class noPreconditioner 00050 : 00051 public lduMatrix::preconditioner 00052 { 00053 // Private Member Functions 00054 00055 //- Disallow default bitwise copy construct 00056 noPreconditioner(const noPreconditioner&); 00057 00058 //- Disallow default bitwise assignment 00059 void operator=(const noPreconditioner&); 00060 00061 00062 public: 00063 00064 //- Runtime type information 00065 TypeName("none"); 00066 00067 00068 // Constructors 00069 00070 //- Construct from matrix components and preconditioner solver controls 00071 noPreconditioner 00072 ( 00073 const lduMatrix::solver&, 00074 const dictionary& solverControlsUnused 00075 ); 00076 00077 00078 // Destructor 00079 00080 virtual ~noPreconditioner() 00081 {} 00082 00083 00084 // Member Functions 00085 00086 //- Return wA the preconditioned form of residual rA 00087 virtual void precondition 00088 ( 00089 scalarField& wA, 00090 const scalarField& rA, 00091 const direction cmpt=0 00092 ) const; 00093 00094 //- Return wT the transpose-matrix preconditioned form of residual rT. 00095 virtual void preconditionT 00096 ( 00097 scalarField& wT, 00098 const scalarField& rT, 00099 const direction cmpt=0 00100 ) const 00101 { 00102 return precondition(wT, rT, cmpt); 00103 } 00104 }; 00105 00106 00107 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00108 00109 } // End namespace Foam 00110 00111 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00112 00113 #endif 00114 00115 // ************************ vim: set sw=4 sts=4 et: ************************ //
