FreeFOAM The Cross-Platform CFD Toolkit
CourantNo.H
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23 
24 Global
25  CourantNo
26 
27 Description
28  Calculates and outputs the mean and maximum Courant Numbers.
29 
30 \*---------------------------------------------------------------------------*/
31 
32 scalar CoNum = 0.0;
33 scalar meanCoNum = 0.0;
34 scalar acousticCoNum = 0.0;
35 
36 if (mesh.nInternalFaces())
37 {
38  surfaceScalarField SfUfbyDelta =
39  mesh.surfaceInterpolation::deltaCoeffs()*mag(phiv);
40 
41  CoNum = max(SfUfbyDelta/mesh.magSf())
42  .value()*runTime.deltaT().value();
43 
44  meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
45  .value()*runTime.deltaT().value();
46 
48  (
49  mesh.surfaceInterpolation::deltaCoeffs()/sqrt(fvc::interpolate(psi))
50  ).value()*runTime.deltaT().value();
51 }
52 
53 Info<< "phiv Courant Number mean: " << meanCoNum
54  << " max: " << CoNum
55  << " acoustic max: " << acousticCoNum
56  << endl;
57 
58 // ************************ vim: set sw=4 sts=4 et: ************************ //