tutorials/MRFSimpleFoam/MRFSimpleFoam/MRFSimpleFoam.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 1991-2008 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 Application
  26     MRFSimpleFoam
  27
  28 Description
  29     Steady-state solver for incompressible, turbulent flow of non-Newtonian
  30     fluids with MRF regions.
  31
  32 \*---------------------------------------------------------------------------*/
  33
  34 #include "fvCFD.H"
  35 #include "incompressible/singlePhaseTransportModel/singlePhaseTransportModel.H"
  36 #include "incompressible/RASModel/RASModel.H"
  37 #include "MRFZones.H"
  38
  39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  40
  41 int main(int argc, char *argv[])
  42 {
  43
  44 #   include "setRootCase.H"
  45
  46 #   include "createTime.H"
  47 #   include "createMesh.H"
  48 #   include "createFields.H"
  49 #   include "initContinuityErrs.H"
  50
  51 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  52
  53     Info<< "\nStarting time loop\n" << endl;
  54
  55     for (runTime++; !runTime.end(); runTime++)
  56     {
  57         Info<< "Time = " << runTime.timeName() << nl << endl;
  58
  59 #       include "readSIMPLEControls.H"
  60
  61         p.storePrevIter();
  62
  63         // Pressure-velocity SIMPLE corrector
  64         {
  65             // Momentum predictor
  66
  67             tmp<fvVectorMatrix> UEqn
  68             (
  69                 fvm::div(phi, U)
  70               + turbulence->divDevReff(U)
  71             );
  72             mrfZones.addCoriolis(UEqn());
  73
  74             UEqn().relax();
  75
  76             solve(UEqn() == -fvc::grad(p));
  77
  78             p.boundaryField().updateCoeffs();
  79             volScalarField rAU = 1.0/UEqn().A();
  80             U = rAU*UEqn().H();
  81             UEqn.clear();
  82
  83             phi = fvc::interpolate(U, "interpolate(HbyA)") & mesh.Sf();
  84             mrfZones.relativeFlux(phi);
  85             adjustPhi(phi, U, p);
  86
  87             // Non-orthogonal pressure corrector loop
  88             for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
  89             {
  90                 fvScalarMatrix pEqn
  91                 (
  92                     fvm::laplacian(rAU, p) == fvc::div(phi)
  93                 );
  94
  95                 pEqn.setReference(pRefCell, pRefValue);
  96                 pEqn.solve();
  97
  98                 if (nonOrth == nNonOrthCorr)
  99                 {
 100                     phi -= pEqn.flux();
 101                 }
 102             }
 103
 104 #           include "continuityErrs.H"
 105
 106             // Explicitly relax pressure for momentum corrector
 107             p.relax();
 108
 109             // Momentum corrector
 110             U -= rAU*fvc::grad(p);
 111             U.correctBoundaryConditions();
 112         }
 113
 114         turbulence->correct();
 115
 116         runTime.write();
 117
 118         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 119             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 120             << nl << endl;
 121     }
 122
 123     Info<< "End\n" << endl;
 124
 125     return(0);
 126 }
 127
 128
 129 // ************************************************************************* //