1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2004-2010 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 maximum Courant Number.
30 \*---------------------------------------------------------------------------*/
34 scalar meanCoNum = 0.0;
35 scalar waveCoNum = 0.0;
37 if (mesh.nInternalFaces())
41 fvc::surfaceSum(mag(phi))().internalField()
45 CoNum = 0.5*gMax(sumPhi/mesh.V().field())*runTime.deltaTValue();
48 0.5*(gSum(sumPhi)/gSum(mesh.V().field()))*runTime.deltaTValue();
50 // Gravity wave Courant number
55 fvc::interpolate(sqrt(h))*mesh.magSf()
56 )().internalField()/mesh.V().field()
57 )*sqrt(magg).value()*runTime.deltaTValue();
60 Info<< "Courant number mean: " << meanCoNum
61 << " max: " << CoNum << endl;
63 Info<< "Gravity wave Courant number max: " << waveCoNum
67 // ************************************************************************* //