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/>.
33 \*---------------------------------------------------------------------------*/
35 #ifndef LUscalarMatrix_H
36 #define LUscalarMatrix_H
38 #include "scalarMatrices.H"
39 #include "labelList.H"
40 #include "FieldField.H"
41 #include "lduInterfaceFieldPtrsList.H"
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
51 /*---------------------------------------------------------------------------*\
52 Class LUscalarMatrix Declaration
53 \*---------------------------------------------------------------------------*/
57 public scalarSquareMatrix
61 //- Processor matrix offsets
62 labelList procOffsets_;
64 //- The pivot indices used in the LU decomposition
65 labelList pivotIndices_;
67 //- Convert the given lduMatrix into this LUscalarMatrix
70 const lduMatrix& ldum,
71 const FieldField<Field, scalar>& interfaceCoeffs,
72 const lduInterfaceFieldPtrsList& interfaces
75 //- Convert the given list of procLduMatrix into this LUscalarMatrix
76 // on the master processor
77 void convert(const PtrList<procLduMatrix>& lduMatrices);
80 //- Print the ratio of the mag-sum of the off-diagonal coefficients
81 // to the mag-diagonal
82 void printDiagonalDominance() const;
89 //- Construct from scalarSquareMatrix and perform LU decomposition
90 LUscalarMatrix(const scalarSquareMatrix&);
92 //- Construct from lduMatrix and perform LU decomposition
96 const FieldField<Field, scalar>& interfaceCoeffs,
97 const lduInterfaceFieldPtrsList& interfaces
103 //- Solve the matrix using the LU decomposition with pivoting
104 // returning the solution in the source
106 void solve(Field<T>& source) const;
110 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
112 } // End namespace Foam
114 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
117 # include "LUscalarMatrixTemplates.C"
120 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
124 // ************************************************************************* //