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foam-extend4.1-coherent-io/applications/solvers/incompressible/MRFSimpleFoam/MRFSimpleFoam.C

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C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration | Version: 3.2
\\ / A nd | Web: http://www.foam-extend.org
\\/ M anipulation | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
foam-extend is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
Application
MRFSimpleFoam
Description
Steady-state solver for incompressible, turbulent flow of non-Newtonian
fluids with MRF regions.
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "incompressible/singlePhaseTransportModel/singlePhaseTransportModel.H"
#include "incompressible/RAS/RASModel/RASModel.H"
#include "MRFZones.H"
#include "simpleControl.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
# include "setRootCase.H"
# include "createTime.H"
# include "createMesh.H"
simpleControl simple(mesh);
# include "createFields.H"
# include "initContinuityErrs.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Info<< "\nStarting time loop\n" << endl;
while (simple.loop())
{
Info<< "Time = " << runTime.timeName() << nl << endl;
// Pressure-velocity SIMPLE corrector
{
// Momentum predictor
tmp<fvVectorMatrix> UEqn
(
fvm::div(phi, U)
+ turbulence->divDevReff()
);
mrfZones.addCoriolis(UEqn());
UEqn().relax();
solve(UEqn() == -fvc::grad(p));
volScalarField rAU = 1.0/UEqn().A();
U = rAU*UEqn().H();
UEqn.clear();
phi = fvc::interpolate(U, "interpolate(HbyA)") & mesh.Sf();
mrfZones.relativeFlux(phi);
adjustPhi(phi, U, p);
// Non-orthogonal pressure corrector loop
while (simple.correctNonOrthogonal())
{
fvScalarMatrix pEqn
(
fvm::laplacian(rAU, p) == fvc::div(phi)
);
pEqn.setReference(pRefCell, pRefValue);
pEqn.solve();
if (simple.finalNonOrthogonalIter())
{
phi -= pEqn.flux();
}
}
# include "continuityErrs.H"
// Explicitly relax pressure for momentum corrector
p.relax();
// Momentum corrector
U -= rAU*fvc::grad(p);
U.correctBoundaryConditions();
}
turbulence->correct();
runTime.write();
Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
<< " ClockTime = " << runTime.elapsedClockTime() << " s"
<< nl << endl;
}
Info<< "End\n" << endl;
return(0);
}
// ************************************************************************* //