68 lines
2.0 KiB
C
68 lines
2.0 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) 2011 OpenFOAM Foundation
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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 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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scalarField sumPhi
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(
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fvc::surfaceSum(mag(phi))().internalField()
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/ h.internalField()
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);
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CoNum = 0.5*gMax(sumPhi/mesh.V().field())*runTime.deltaTValue();
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meanCoNum =
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0.5*(gSum(sumPhi)/gSum(mesh.V().field()))*runTime.deltaTValue();
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// Gravity wave Courant number
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waveCoNum = 0.25*gMax
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(
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fvc::surfaceSum
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(
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fvc::interpolate(sqrt(h))*mesh.magSf()
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)().internalField()/mesh.V().field()
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)*sqrt(magg).value()*runTime.deltaTValue();
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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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