152 lines
4.4 KiB
C
152 lines
4.4 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 3.2
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Application
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liquidFilmFoam
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Description
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Transient solver for incompressible, laminar flow of Newtonian fluids in
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liquid film formulation.
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Author
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Zeljko Tukovic, FMENA
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Hrvoje Jasak, Wikki Ltd. All rights reserved.
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "faCFD.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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# include "setRootCase.H"
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# include "createTime.H"
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# include "createMesh.H"
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# include "createFaMesh.H"
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# include "readGravitationalAcceleration.H"
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# include "readTransportProperties.H"
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# include "createFaFields.H"
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# include "createFvFields.H"
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# include "createTimeControls.H"
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Info << "\nStarting time loop\n" << endl;
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while (runTime.run())
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{
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# include "readSolutionControls.H"
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# include "readTimeControls.H"
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# include "surfaceCourantNo.H"
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# include "capillaryCourantNo.H"
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# include "setDeltaT.H"
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runTime++;
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Info<< "Time = " << runTime.timeName() << nl << endl;
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for (int iCorr = 0; iCorr < nCorr; iCorr++)
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{
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phi2s = fac::interpolate(h)*phis;
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# include "calcFrictionFactor.H"
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faVectorMatrix UsEqn
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(
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fam::ddt(h, Us)
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+ fam::div(phi2s, Us)
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+ fam::Sp(0.0125*frictionFactor*mag(Us), Us)
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==
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Gs*h
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- fam::Sp(Sd, Us)
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);
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UsEqn.relax();
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solve(UsEqn == - fac::grad(ps*h)/rhol + ps*fac::grad(h)/rhol);
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areaScalarField UsA = UsEqn.A();
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Us = UsEqn.H()/UsA;
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Us.correctBoundaryConditions();
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phis = (fac::interpolate(Us) & aMesh.Le())
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- fac::interpolate(1.0/(rhol*UsA))
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*fac::lnGrad(ps*h)*aMesh.magLe()
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+ fac::interpolate(ps/(rhol*UsA))
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*fac::lnGrad(h)*aMesh.magLe();
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faScalarMatrix hEqn
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(
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fam::ddt(h)
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+ fam::div(phis, h)
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==
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Sm
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- fam::Sp
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(
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Sd/(h + dimensionedScalar("small", dimLength, SMALL)),
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h
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)
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);
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hEqn.relax();
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hEqn.solve();
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phi2s = hEqn.flux();
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// Bound h
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h.internalField() = max
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(
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max
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(
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h.internalField(),
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fac::average(max(h, h0))().internalField()
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*pos(h0.value() - h.internalField())
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),
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h0.value()
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);
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ps = rhol*Gn*h - sigma*fac::laplacian(h);
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ps.correctBoundaryConditions();
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Us -= (1.0/(rhol*UsA))*fac::grad(ps*h)
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- (ps/(rhol*UsA))*fac::grad(h);
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Us.correctBoundaryConditions();
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}
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if (runTime.outputTime())
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{
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vsm.mapToVolume(h, H.boundaryField());
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vsm.mapToVolume(Us, U.boundaryField());
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runTime.write();
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}
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Info << "ExecutionTime = "
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<< scalar(runTime.elapsedCpuTime())
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<< " s\n" << endl << endl;
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}
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return(0);
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}
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// ************************************************************************* //
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