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foam-extend4.1-coherent-io/applications/solvers/multiphase/cavitatingFoam/CourantNo.H
2018-06-01 18:11:37 +02:00

64 lines
2.2 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration | Version: 4.1
\\ / A nd | Web: http://www.foam-extend.org
\\/ M anipulation | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
foam-extend is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
Global
CourantNo
Description
Calculates and outputs the mean and maximum Courant Numbers.
\*---------------------------------------------------------------------------*/
scalar CoNum = 0.0;
scalar meanCoNum = 0.0;
scalar acousticCoNum = 0.0;
scalar velMag = 0.0;
if (mesh.nInternalFaces())
{
surfaceScalarField magPhiv = mag(phiv);
surfaceScalarField SfUfbyDelta =
mesh.surfaceInterpolation::deltaCoeffs()*magPhiv;
CoNum = max(SfUfbyDelta/mesh.magSf())
.value()*runTime.deltaT().value();
meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
.value()*runTime.deltaT().value();
velMag = max(magPhiv/mesh.magSf()).value();
acousticCoNum = max
(
mesh.surfaceInterpolation::deltaCoeffs()/sqrt(fvc::interpolate(psi))
).value()*runTime.deltaT().value();
}
Info<< "phiv Courant Number mean: " << meanCoNum
<< " max: " << CoNum
<< " acoustic max: " << acousticCoNum
<< " velocity magnitude: " << velMag
<< endl;
// ************************************************************************* //