tutorials/incompressible/MRFSimpleFoam/MRFSimpleFoam/MRFSimpleFoam.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 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 "singlePhaseTransportModel.H"
  36 #include "RASModel.H"
  37 #include "MRFZones.H"
  38
  39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  40
  41 int main(int argc, char *argv[])
  42 {
  43     #include "setRootCase.H"
  44
  45     #include "createTime.H"
  46     #include "createMesh.H"
  47     #include "createFields.H"
  48     #include "initContinuityErrs.H"
  49
  50     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  51
  52     Info<< "\nStarting time loop\n" << endl;
  53
  54     while (runTime.loop())
  55     {
  56         Info<< "Time = " << runTime.timeName() << nl << endl;
  57
  58         #include "readSIMPLEControls.H"
  59
  60         p.storePrevIter();
  61
  62         // Pressure-velocity SIMPLE corrector
  63         {
  64             // Momentum predictor
  65             tmp<fvVectorMatrix> UEqn
  66             (
  67                 fvm::div(phi, U)
  68               - fvm::Sp(fvc::div(phi), U)
  69               + turbulence->divDevReff(U)
  70             );
  71             mrfZones.addCoriolis(UEqn());
  72
  73             UEqn().relax();
  74
  75             solve(UEqn() == -fvc::grad(p));
  76
  77             p.boundaryField().updateCoeffs();
  78             volScalarField rAU = 1.0/UEqn().A();
  79             U = rAU*UEqn().H();
  80             UEqn.clear();
  81
  82             phi = fvc::interpolate(U, "interpolate(HbyA)") & mesh.Sf();
  83             mrfZones.relativeFlux(phi);
  84             adjustPhi(phi, U, p);
  85
  86             // Non-orthogonal pressure corrector loop
  87             for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
  88             {
  89                 fvScalarMatrix pEqn
  90                 (
  91                     fvm::laplacian(rAU, p) == fvc::div(phi)
  92                 );
  93
  94                 pEqn.setReference(pRefCell, pRefValue);
  95                 pEqn.solve();
  96
  97                 if (nonOrth == nNonOrthCorr)
  98                 {
  99                     phi -= pEqn.flux();
 100                 }
 101             }
 102
 103             #include "continuityErrs.H"
 104
 105             // Explicitly relax pressure for momentum corrector
 106             p.relax();
 107
 108             // Momentum corrector
 109             U -= rAU*fvc::grad(p);
 110             U.correctBoundaryConditions();
 111         }
 112
 113         turbulence->correct();
 114
 115         runTime.write();
 116
 117         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
 118             << "  ClockTime = " << runTime.elapsedClockTime() << " s"
 119             << nl << endl;
 120     }
 121
 122     Info<< "End\n" << endl;
 123
 124     return 0;
 125 }
 126
 127
 128 // ************************************************************************* //