1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
28 Algebraic multigrid level virtual base class for BlockLduMatrix
31 Klas Jareteg, 2012-12-13
36 \*---------------------------------------------------------------------------*/
38 #ifndef BlockAmgLevel_H
39 #define BlockAmgLevel_H
41 #include "BlockLduMatrix.H"
42 #include "BlockMatrixCoarsening.H"
44 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
49 // * * * * * * Forward declaration of template friend fuctions * * * * * * * //
52 class fineBlockAmgLevel;
55 class coarseBlockAmgLevel;
61 class BlockMatrixCoarsening;
69 /*---------------------------------------------------------------------------*\
70 Class BlockAmgLevel Declaration
71 \*---------------------------------------------------------------------------*/
77 //- Runtime type information
78 TypeName("BlockAmgLevel");
83 virtual ~BlockAmgLevel()
89 //- Return reference to x
90 virtual Field<Type>& x() = 0;
92 //- Return reference to b
93 virtual Field<Type>& b() = 0;
95 //- Calculate residual
103 //- Restrict residual
104 virtual void restrictResidual
106 const Field<Type>& x,
107 const Field<Type>& b,
108 Field<Type>& xBuffer,
109 Field<Type>& coarseRes,
113 //- Prolongate correction
114 virtual void prolongateCorrection
117 const Field<Type>& coarseX
124 const Field<Type>& b,
132 const Field<Type>& b,
133 const scalar tolerance,
141 const Field<Type>& b,
145 //- Create next level from current level
146 virtual autoPtr<BlockAmgLevel> makeNextLevel() const = 0;
150 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
152 } // End namespace Foam
154 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
157 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
161 // ************************************************************************* //