BUG: UListIO: byteSize overflowing on really big faceLists
[OpenFOAM-2.0.x.git] / src / OpenFOAM / matrices / lduMatrix / smoothers / DILU / DILUSmoother.H
blob5aec38af8684fc145149df546d0e029e5691e969
1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
4    \\    /   O peration     |
5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
6      \\/     M anipulation  |
7 -------------------------------------------------------------------------------
8 License
9     This file is part of OpenFOAM.
11     OpenFOAM is free software: you can redistribute it and/or modify it
12     under the terms of the GNU General Public License as published by
13     the Free Software Foundation, either version 3 of the License, or
14     (at your option) any later version.
16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
19     for more details.
21     You should have received a copy of the GNU General Public License
22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
24 Class
25     Foam::DILUSmoother
27 Description
28     Simplified diagonal-based incomplete LU smoother for asymmetric matrices.
30     To improve efficiency, the residual is evaluated after every nSweeps
31     sweeps.
33 SourceFiles
34     DILUSmoother.C
36 \*---------------------------------------------------------------------------*/
38 #ifndef DILUSmoother_H
39 #define DILUSmoother_H
41 #include "lduMatrix.H"
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
45 namespace Foam
48 /*---------------------------------------------------------------------------*\
49                         Class DILUSmoother Declaration
50 \*---------------------------------------------------------------------------*/
52 class DILUSmoother
54     public lduMatrix::smoother
56     // Private data
58         //- The reciprocal preconditioned diagonal
59         scalarField rD_;
62 public:
64     //- Runtime type information
65     TypeName("DILU");
68     // Constructors
70         //- Construct from matrix components
71         DILUSmoother
72         (
73             const word& fieldName,
74             const lduMatrix& matrix,
75             const FieldField<Field, scalar>& interfaceBouCoeffs,
76             const FieldField<Field, scalar>& interfaceIntCoeffs,
77             const lduInterfaceFieldPtrsList& interfaces
78         );
81     // Member Functions
83         //- Smooth the solution for a given number of sweeps
84         void smooth
85         (
86             scalarField& psi,
87             const scalarField& source,
88             const direction cmpt,
89             const label nSweeps
90         ) const;
94 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
96 } // End namespace Foam
98 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
100 #endif
102 // ************************************************************************* //