85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.1
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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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Description
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Set inital film thickness for droplet spreading case.
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "faCFD.H"
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using namespace Foam;
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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 "readTransportProperties.H"
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Info << "Reading field h" << endl;
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areaScalarField h
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(
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IOobject
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(
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"h",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE
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),
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aMesh
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);
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scalar D = 0.000038;
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scalar A = 0.0014;
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scalar R = (sqr(A) + sqr(D))/(2*D);
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Info << "Spherical cap radius: " << R << " m" << endl;
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scalarField& hI = h.internalField();
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const vectorField& Cf = aMesh.areaCentres().internalField();
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scalarField a = sqrt
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(
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sqr(Cf.component(vector::X))
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+ sqr(Cf.component(vector::Y))
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);
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hI = pos(A - a)*(sqrt(sqr(R) - sqr(a)) - (R - D))
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+ neg(A - a)*h0.value();
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h.write();
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Info<< "\nEnd" << endl;
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return 0;
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}
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// ************************************************************************* //
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