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
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13 Free Software Foundation, either version 3 of the License, or (at your
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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/>.
25 Symmetric Gauss-Seidel smoother for coupled lduMatrices.
28 Hrvoje Jasak, Wikki Ltd. All rights reserved.
30 \*---------------------------------------------------------------------------*/
32 #include "coupledIluSmoother.H"
33 #include "addToRunTimeSelectionTable.H"
35 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
39 defineTypeNameAndDebug(coupledIluSmoother, 0);
41 addToRunTimeSelectionTable
49 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
51 //- Construct from matrix
52 Foam::coupledIluSmoother::coupledIluSmoother
54 const coupledLduMatrix& matrix,
55 const PtrList<FieldField<Field, scalar> >& bouCoeffs,
56 const PtrList<FieldField<Field, scalar> >& intCoeffs,
57 const lduInterfaceFieldPtrsListList& interfaces
74 xCorr_(matrix.size()),
75 residual_(matrix.size())
79 xCorr_.set(rowI, new scalarField(matrix[rowI].lduAddr().size(), 0));
80 residual_.set(rowI, new scalarField(matrix[rowI].lduAddr().size(), 0));
85 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
87 void Foam::coupledIluSmoother::smooth
89 FieldField<Field, scalar>& x,
90 const FieldField<Field, scalar>& b,
95 for (label sweep = 0; sweep < nSweeps; sweep++)
110 residual_[i] = b[i] - residual_[i];
113 precon_.precondition(xCorr_, residual_, cmpt);
115 // Add correction to x
121 // ************************************************************************* //