00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 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 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your 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, see <http://www.gnu.org/licenses/>. 00023 00024 Global 00025 CourantNo 00026 00027 Description 00028 Calculates and outputs the maximum Courant Number. 00029 00030 \*---------------------------------------------------------------------------*/ 00031 00032 00033 scalar CoNum = 0.0; 00034 scalar meanCoNum = 0.0; 00035 scalar waveCoNum = 0.0; 00036 00037 if (mesh.nInternalFaces()) 00038 { 00039 surfaceScalarField SfUfbyDelta = 00040 mesh.surfaceInterpolation::deltaCoeffs() 00041 *mag(phi)/fvc::interpolate(h); 00042 00043 CoNum = max(SfUfbyDelta/mesh.magSf()) 00044 .value()*runTime.deltaT().value(); 00045 00046 meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf())) 00047 .value()*runTime.deltaT().value(); 00048 00049 // Gravity wave Courant number 00050 waveCoNum = 00051 0.5*max 00052 ( 00053 mesh.surfaceInterpolation::deltaCoeffs() 00054 *sqrt(fvc::interpolate(h)) 00055 ).value()*sqrt(magg).value()*runTime.deltaT().value(); 00056 } 00057 00058 Info<< "Courant number mean: " << meanCoNum 00059 << " max: " << CoNum << endl; 00060 00061 Info<< "Gravity wave Courant number max: " << waveCoNum 00062 << endl; 00063 00064 00065 // ************************ vim: set sw=4 sts=4 et: ************************ //
