1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend 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 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
28 Calculates and outputs the mean and maximum mesh motion 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 // ************************************************************************* //