65 lines
2.1 KiB
C++
65 lines
2.1 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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Global
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CourantNo
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Description
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Calculates and outputs the maximum Courant Number.
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\*---------------------------------------------------------------------------*/
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scalar CoNum = 0.0;
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scalar meanCoNum = 0.0;
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scalar waveCoNum = 0.0;
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if (mesh.nInternalFaces())
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{
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surfaceScalarField SfUfbyDelta =
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mesh.surfaceInterpolation::deltaCoeffs()
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*mag(phi)/fvc::interpolate(h);
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CoNum = max(SfUfbyDelta/mesh.magSf())
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.value()*runTime.deltaT().value();
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meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
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.value()*runTime.deltaT().value();
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// Gravity wave Courant number
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waveCoNum =
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0.5*max
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(
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mesh.surfaceInterpolation::deltaCoeffs()
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*sqrt(fvc::interpolate(h))
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).value()*sqrt(magg).value()*runTime.deltaT().value();
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}
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Info<< "Courant number mean: " << meanCoNum
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<< " max: " << CoNum << endl;
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Info<< "Gravity wave Courant number max: " << waveCoNum
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<< endl;
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// ************************************************************************* //
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