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foam-extend4.1-coherent-io/applications/solvers/engine/icoDyMEngineFoam/meshCourantNo.H
2013-07-18 10:15:54 +02:00

51 lines
1.8 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ M anipulation |
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License
This file is part of OpenFOAM.
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under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
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for more details.
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Global
meshCourantNo
Description
Calculates and outputs the mean and maximum mesh motion Courant Numbers.
\*---------------------------------------------------------------------------*/
scalar meshCoNum = 0.0;
scalar meanMeshCoNum = 0.0;
if (mesh.nInternalFaces())
{
surfaceScalarField SfUfbyDelta =
mesh.surfaceInterpolation::deltaCoeffs()*mag(mesh.phi());
meshCoNum = max(SfUfbyDelta/mesh.magSf())
.value()*runTime.deltaT().value();
meanMeshCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
.value()*runTime.deltaT().value();
}
Info<< "Mesh Courant Number mean: " << meanMeshCoNum
<< " max: " << meshCoNum << endl;
// ************************************************************************* //