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00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2005 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software; you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by the 00013 Free Software Foundation; either version 2 of the License, or (at your 00014 option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM; if not, write to the Free Software Foundation, 00023 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00024 00025 Global 00026 CourantNo 00027 00028 Description 00029 Calculates and outputs the mean and maximum Courant Numbers. 00030 00031 \*---------------------------------------------------------------------------*/ 00032 00033 scalar CoNum = 0.0; 00034 scalar meanCoNum = 0.0; 00035 00036 if (mesh.nInternalFaces()) 00037 { 00038 surfaceScalarField SfUfbyDelta = 00039 mesh.surfaceInterpolation::deltaCoeffs()*mag(phi)/fvc::interpolate(rho); 00040 00041 CoNum = max(SfUfbyDelta/mesh.magSf()) 00042 .value()*runTime.deltaT().value(); 00043 00044 meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf())) 00045 .value()*runTime.deltaT().value(); 00046 } 00047 00048 Info<< "Mean and max Courant Numbers = " 00049 << meanCoNum << " " << CoNum << endl; 00050 00051 // ************************************************************************* //