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 Symmetric Gauss-Seidel smoother
31 Hrvoje Jasak, Wikki Ltd. All rights reserved.
33 \*---------------------------------------------------------------------------*/
35 #include "iluSmoother.H"
36 #include "addToRunTimeSelectionTable.H"
38 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
42 defineTypeNameAndDebug(iluSmoother, 0);
44 lduSmoother::addsymMatrixConstructorToTable<iluSmoother>
45 addiluSmootherSymMatrixConstructorToTable_;
47 lduSmoother::addasymMatrixConstructorToTable<iluSmoother>
48 addiluSmootherAsymMatrixConstructorToTable_;
52 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
54 Foam::iluSmoother::iluSmoother
56 const lduMatrix& matrix,
57 const FieldField<Field, scalar>& coupleBouCoeffs,
58 const FieldField<Field, scalar>& coupleIntCoeffs,
59 const lduInterfaceFieldPtrsList& interfaces
76 xCorr_(matrix.lduAddr().size()),
77 residual_(matrix.lduAddr().size())
81 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
83 void Foam::iluSmoother::smooth
91 for (label sweep = 0; sweep < nSweeps; sweep++)
106 residual_[i] = b[i] - residual_[i];
109 precon_.precondition(xCorr_, residual_, cmpt);
111 // Add correction to x
118 // ************************************************************************* //