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 the
13 Free Software Foundation; either version 2 of the License, or (at your
14 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, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 \*---------------------------------------------------------------------------*/
27 #include "compressibleCourantNo.H"
30 Foam::scalar Foam::compressibleCourantNo
34 const volScalarField& rho,
35 const surfaceScalarField& phi
39 scalar meanCoNum = 0.0;
41 //- Can have fluid domains with 0 cells so do not test.
42 //if (mesh.nInternalFaces())
44 surfaceScalarField SfUfbyDelta =
45 mesh.surfaceInterpolation::deltaCoeffs()
47 / fvc::interpolate(rho);
49 CoNum = max(SfUfbyDelta/mesh.magSf())
50 .value()*runTime.deltaT().value();
52 meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
53 .value()*runTime.deltaT().value();
56 Info<< "Region: " << mesh.name() << " Courant Number mean: " << meanCoNum
57 << " max: " << CoNum << endl;
63 // ************************************************************************* //