1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2009 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 \*---------------------------------------------------------------------------*/
34 readScalar(runTime.controlDict().lookup("maxAlphaCo"))
37 scalar alphaCoNum = 0.0;
38 scalar meanAlphaCoNum = 0.0;
40 if (mesh.nInternalFaces())
42 surfaceScalarField alphaf = fvc::interpolate(alpha1);
44 surfaceScalarField SfUfbyDelta =
45 pos(alphaf - 0.01)*pos(0.99 - alphaf)
46 *mesh.surfaceInterpolation::deltaCoeffs()*mag(phi);
48 alphaCoNum = max(SfUfbyDelta/mesh.magSf())
49 .value()*runTime.deltaT().value();
51 meanAlphaCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
52 .value()*runTime.deltaT().value();
55 Info<< "Interface Courant Number mean: " << meanAlphaCoNum
56 << " max: " << alphaCoNum << endl;
58 // ************************************************************************* //