1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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
13 the Free Software Foundation, either version 3 of the License, or
14 (at your 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, see <http://www.gnu.org/licenses/>.
28 Calculates and outputs the mean and maximum Courant Numbers.
30 \*---------------------------------------------------------------------------*/
32 scalar meshCoNum = 0.0;
33 scalar meanMeshCoNum = 0.0;
35 if (mesh.nInternalFaces())
37 surfaceScalarField SfUfbyDelta =
38 mesh.surfaceInterpolation::deltaCoeffs()*mag(mesh.phi());
40 meshCoNum = max(SfUfbyDelta/mesh.magSf())
41 .value()*runTime.deltaT().value();
43 meanMeshCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
44 .value()*runTime.deltaT().value();
47 Info<< "Mesh Courant Number mean: " << meanMeshCoNum
48 << " max: " << meshCoNum << endl;
50 // ************************************************************************* //