applications/test/LduMatrix/LduMatrixTest.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM 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 2 of the License, or (at your
  14     option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM; if not, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 \*---------------------------------------------------------------------------*/
  26
  27 #include "argList.H"
  28 #include "Time.H"
  29 #include "fvMesh.H"
  30 #include "volFields.H"
  31 #include "LduMatrix.H"
  32 #include "diagTensorField.H"
  33 #include "TPCG.H"
  34 #include "TPBiCG.H"
  35 #include "NoPreconditioner.H"
  36
  37 using namespace Foam;
  38
  39 typedef Foam::LduMatrix<vector, diagTensor, scalar>
  40     lduVectorMatrix;
  41 defineNamedTemplateTypeNameAndDebug(lduVectorMatrix, 0);
  42
  43 typedef Foam::DiagonalSolver<vector, diagTensor, scalar>
  44     lduVectorDiagonalSolver;
  45 defineNamedTemplateTypeNameAndDebug(lduVectorDiagonalSolver, 0);
  46
  47 template<>
  48 const vector lduVectorMatrix::great_(1e15, 1e15, 1e15);
  49
  50 template<>
  51 const vector lduVectorMatrix::small_(1e-15, 1e-15, 1e-15);
  52
  53 namespace Foam
  54 {
  55     typedef LduMatrix<vector, diagTensor, scalar>::preconditioner
  56         lduVectorPreconditioner;
  57     defineTemplateRunTimeSelectionTable(lduVectorPreconditioner, symMatrix);
  58     defineTemplateRunTimeSelectionTable(lduVectorPreconditioner, asymMatrix);
  59
  60     typedef LduMatrix<vector, diagTensor, scalar>::smoother
  61         lduVectorSmoother;
  62     defineTemplateRunTimeSelectionTable(lduVectorSmoother, symMatrix);
  63     defineTemplateRunTimeSelectionTable(lduVectorSmoother, asymMatrix);
  64
  65     typedef LduMatrix<vector, diagTensor, scalar>::solver
  66         lduVectorSolver;
  67     defineTemplateRunTimeSelectionTable(lduVectorSolver, symMatrix);
  68     defineTemplateRunTimeSelectionTable(lduVectorSolver, asymMatrix);
  69
  70     typedef TPCG<vector, diagTensor, scalar> TPCGVector;
  71     defineNamedTemplateTypeNameAndDebug(TPCGVector, 0);
  72
  73     LduMatrix<vector, diagTensor, scalar>::solver::
  74         addsymMatrixConstructorToTable<TPCGVector>
  75         addTPCGSymMatrixConstructorToTable_;
  76
  77     typedef TPBiCG<vector, diagTensor, scalar> TPBiCGVector;
  78     defineNamedTemplateTypeNameAndDebug(TPBiCGVector, 0);
  79
  80     LduMatrix<vector, diagTensor, scalar>::solver::
  81         addasymMatrixConstructorToTable<TPBiCGVector>
  82         addTPBiCGSymMatrixConstructorToTable_;
  83
  84     typedef NoPreconditioner<vector, diagTensor, scalar> NoPreconditionerVector;
  85     defineNamedTemplateTypeNameAndDebug(NoPreconditionerVector, 0);
  86
  87     LduMatrix<vector, diagTensor, scalar>::preconditioner::
  88         addsymMatrixConstructorToTable<NoPreconditionerVector>
  89         addNoPreconditionerSymMatrixConstructorToTable_;
  90
  91     LduMatrix<vector, diagTensor, scalar>::preconditioner::
  92         addasymMatrixConstructorToTable<NoPreconditionerVector>
  93         addNoPreconditionerAsymMatrixConstructorToTable_;
  94 }
  95
  96
  97 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  98 // Main program:
  99
 100 int main(int argc, char *argv[])
 101 {
 102
 103 #   include "setRootCase.H"
 104
 105 #   include "createTime.H"
 106 #   include "createMesh.H"
 107
 108     volVectorField psi
 109     (
 110         IOobject
 111         (
 112             "U",
 113             runTime.timeName(),
 114             mesh,
 115             IOobject::MUST_READ,
 116             IOobject::AUTO_WRITE
 117         ),
 118         mesh
 119     );
 120
 121     lduVectorMatrix testMatrix(mesh);
 122     testMatrix.diag() = 2*pTraits<diagTensor>::one;
 123     testMatrix.source() = pTraits<vector>::one;
 124     testMatrix.upper() = 0.1;
 125     testMatrix.lower() = -0.1;
 126
 127     Info<< testMatrix << endl;
 128
 129     FieldField<Field, scalar> boundaryCoeffs(0);
 130     FieldField<Field, scalar> internalCoeffs(0);
 131
 132     autoPtr<lduVectorMatrix::solver> testMatrixSolver =
 133     lduVectorMatrix::solver::New
 134     (
 135         psi.name(),
 136         testMatrix,
 137         boundaryCoeffs,
 138         internalCoeffs,
 139         psi.boundaryField().interfaces(),
 140         IStringStream
 141         (
 142             "PBiCG"
 143             "{"
 144             "    preconditioner   none;"
 145             "    tolerance        (1e-05 1e-05 1e-05);"
 146             "    relTol           (0 0 0);"
 147             "}"
 148         )()
 149     );
 150
 151     lduVectorMatrix::solverPerformance solverPerf =
 152         testMatrixSolver->solve(psi);
 153
 154     solverPerf.print();
 155
 156     Info<< psi << endl;
 157
 158     Info << "End\n" << endl;
 159
 160     return 0;
 161 }
 162
 163
 164 // ************************************************************************* //