FreeFOAM The Cross-Platform CFD Toolkit
compressibleCourantNo.H
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23 
24 Global
25  compressibleCourantNo
26 
27 Description
28  Calculates the mean and maximum wave speed based Courant Numbers.
29 
30 \*---------------------------------------------------------------------------*/
31 
32 scalar CoNum = 0.0;
33 scalar meanCoNum = 0.0;
34 
35 if (mesh.nInternalFaces())
36 {
37  surfaceScalarField amaxSfbyDelta =
38  mesh.surfaceInterpolation::deltaCoeffs()*amaxSf;
39 
40  CoNum = max(amaxSfbyDelta/mesh.magSf()).value()*runTime.deltaT().value();
41 
42  meanCoNum =
43  (sum(amaxSfbyDelta)/sum(mesh.magSf())).value()
44  *runTime.deltaT().value();
45 }
46 
47 Info<< "Mean and max Courant Numbers = "
48  << meanCoNum << " " << CoNum << endl;
49 
50 // ************************ vim: set sw=4 sts=4 et: ************************ //