62 lines
2.1 KiB
C
62 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: 4.0
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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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\*---------------------------------------------------------------------------*/
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#include "compressibleCourantNo.H"
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#include "fvc.H"
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Foam::scalar Foam::compressibleCourantNo
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(
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const fvMesh& mesh,
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const Time& runTime,
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const volScalarField& rho,
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const surfaceScalarField& phi
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)
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{
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scalar CoNum = 0.0;
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scalar meanCoNum = 0.0;
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//- Can have fluid domains with 0 cells so do not test.
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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)
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/ fvc::interpolate(rho);
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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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}
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Info<< "Region: " << mesh.name() << " Courant Number mean: " << meanCoNum
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<< " max: " << CoNum << endl;
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return CoNum;
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}
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// ************************************************************************* //
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