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 Incomplete Cholesky preconditioning with no fill-in.
31 Hrvoje Jasak, Wikki Ltd. All rights reserved.
34 coupledCholeskyPrecon.C
36 \*---------------------------------------------------------------------------*/
38 #ifndef coupledCholeskyPrecon_H
39 #define coupledCholeskyPrecon_H
41 #include "coupledLduPrecon.H"
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
48 /*---------------------------------------------------------------------------*\
49 Class coupledCholeskyPrecon Declaration
50 \*---------------------------------------------------------------------------*/
52 class coupledCholeskyPrecon
54 public coupledLduPrecon
58 //- Preconditioned diagonal
59 FieldField<Field, scalar> preconDiag_;
62 // Private Member Functions
64 //- Disallow default bitwise copy construct
65 coupledCholeskyPrecon(const coupledCholeskyPrecon&);
67 //- Disallow default bitwise assignment
68 void operator=(const coupledCholeskyPrecon&);
70 //- Precondition the diagonal
71 void calcPreconDiag();
76 //- Runtime type information
82 //- Construct from components
85 const coupledLduMatrix& matrix,
86 const PtrList<FieldField<Field, scalar> >& bouCoeffs,
87 const PtrList<FieldField<Field, scalar> >& intCoeffs,
88 const lduInterfaceFieldPtrsListList& interfaces
91 //- Construct from dictionary
94 const coupledLduMatrix& matrix,
95 const PtrList<FieldField<Field, scalar> >& bouCoeffs,
96 const PtrList<FieldField<Field, scalar> >& intCoeffs,
97 const lduInterfaceFieldPtrsListList& interfaces,
98 const dictionary& dict
104 virtual ~coupledCholeskyPrecon()
110 //- Execute preconditioning
111 virtual void precondition
113 FieldField<Field, scalar>& x,
114 const FieldField<Field, scalar>& b,
115 const direction cmpt = 0
118 //- Execute preconditioning for the transpose matrix
119 virtual void preconditionT
121 FieldField<Field, scalar>& x,
122 const FieldField<Field, scalar>& b,
123 const direction cmpt = 0
128 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
130 } // End namespace Foam
132 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
136 // ************************************************************************* //