151 lines
4.4 KiB
C
151 lines
4.4 KiB
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
|
|
liquidFilmFoam
|
|
|
|
Description
|
|
Transient solver for incompressible, laminar flow of Newtonian fluids in
|
|
liquid film formulation.
|
|
|
|
Author
|
|
Zeljko Tukovic, FMENA
|
|
Hrvoje Jasak, Wikki Ltd. All rights reserved.
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "fvCFD.H"
|
|
#include "faCFD.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
# include "setRootCase.H"
|
|
# include "createTime.H"
|
|
# include "createMesh.H"
|
|
# include "createFaMesh.H"
|
|
# include "readGravitationalAcceleration.H"
|
|
# include "readTransportProperties.H"
|
|
# include "createFaFields.H"
|
|
# include "createFvFields.H"
|
|
|
|
Info << "\nStarting time loop\n" << endl;
|
|
|
|
while (runTime.run())
|
|
{
|
|
# include "readSolutionControls.H"
|
|
# include "readTimeControls.H"
|
|
# include "surfaceCourantNo.H"
|
|
# include "capillaryCourantNo.H"
|
|
# include "setDeltaT.H"
|
|
|
|
runTime++;
|
|
|
|
Info<< "Time = " << runTime.timeName() << nl << endl;
|
|
|
|
for (int iCorr = 0; iCorr < nCorr; iCorr++)
|
|
{
|
|
phi2s = fac::interpolate(h)*phis;
|
|
|
|
# include "calcFrictionFactor.H"
|
|
|
|
faVectorMatrix UsEqn
|
|
(
|
|
fam::ddt(h, Us)
|
|
+ fam::div(phi2s, Us)
|
|
+ fam::Sp(0.0125*frictionFactor*mag(Us), Us)
|
|
==
|
|
Gs*h
|
|
- fam::Sp(Sd, Us)
|
|
);
|
|
|
|
UsEqn.relax();
|
|
solve(UsEqn == - fac::grad(ps*h)/rhol + ps*fac::grad(h)/rhol);
|
|
|
|
areaScalarField UsA = UsEqn.A();
|
|
|
|
Us = UsEqn.H()/UsA;
|
|
Us.correctBoundaryConditions();
|
|
|
|
phis = (fac::interpolate(Us) & aMesh.Le())
|
|
- fac::interpolate(1.0/(rhol*UsA))
|
|
*fac::lnGrad(ps*h)*aMesh.magLe()
|
|
+ fac::interpolate(ps/(rhol*UsA))
|
|
*fac::lnGrad(h)*aMesh.magLe();
|
|
|
|
faScalarMatrix hEqn
|
|
(
|
|
fam::ddt(h)
|
|
+ fam::div(phis, h)
|
|
==
|
|
Sm
|
|
- fam::Sp
|
|
(
|
|
Sd/(h + dimensionedScalar("small", dimLength, SMALL)),
|
|
h
|
|
)
|
|
);
|
|
|
|
hEqn.relax();
|
|
hEqn.solve();
|
|
|
|
phi2s = hEqn.flux();
|
|
|
|
// Bound h
|
|
h.internalField() = max
|
|
(
|
|
max
|
|
(
|
|
h.internalField(),
|
|
fac::average(max(h, h0))().internalField()
|
|
*pos(h0.value() - h.internalField())
|
|
),
|
|
h0.value()
|
|
);
|
|
|
|
ps = rhol*Gn*h - sigma*fac::laplacian(h);
|
|
ps.correctBoundaryConditions();
|
|
|
|
Us -= (1.0/(rhol*UsA))*fac::grad(ps*h)
|
|
- (ps/(rhol*UsA))*fac::grad(h);
|
|
Us.correctBoundaryConditions();
|
|
}
|
|
|
|
if (runTime.outputTime())
|
|
{
|
|
vsm.mapToVolume(h, H.boundaryField());
|
|
vsm.mapToVolume(Us, U.boundaryField());
|
|
|
|
runTime.write();
|
|
}
|
|
|
|
Info << "ExecutionTime = "
|
|
<< scalar(runTime.elapsedCpuTime())
|
|
<< " s\n" << endl << endl;
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
// ************************************************************************* //
|