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59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM 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
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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 OpenFOAM. 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 mean and maximum Courant Numbers.
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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 acousticCoNum = 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()*mag(phiv);
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CoNum = max(SfUfbyDelta/mesh.magSf())
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.value()*runTime.deltaTValue();
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meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
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.value()*runTime.deltaTValue();
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acousticCoNum = max
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(
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mesh.surfaceInterpolation::deltaCoeffs()/sqrt(fvc::interpolate(psi))
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).value()*runTime.deltaTValue();
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}
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Info<< "phiv Courant Number mean: " << meanCoNum
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<< " max: " << CoNum
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<< " acoustic max: " << acousticCoNum
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<< endl;
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// ************************************************************************* //
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