1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright held by original author
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 Calculates and outputs the mean and maximum Courant Numbers.
31 \*---------------------------------------------------------------------------*/
34 scalar meanCoNum = 0.0;
35 scalar acousticCoNum = 0.0;
38 if (mesh.nInternalFaces())
40 surfaceScalarField magPhiv = mag(phiv);
42 surfaceScalarField SfUfbyDelta =
43 mesh.surfaceInterpolation::deltaCoeffs()*magPhiv;
45 CoNum = max(SfUfbyDelta/mesh.magSf())
46 .value()*runTime.deltaT().value();
48 meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
49 .value()*runTime.deltaT().value();
51 velMag = max(magPhiv/mesh.magSf()).value();
55 mesh.surfaceInterpolation::deltaCoeffs()/sqrt(fvc::interpolate(psi))
56 ).value()*runTime.deltaT().value();
59 Info<< "phiv Courant Number mean: " << meanCoNum
61 << " acoustic max: " << acousticCoNum
62 << " velocity magnitude: " << velMag
65 // ************************************************************************* //