FreeFOAM The Cross-Platform CFD Toolkit
StCourantNo.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 {
33  scalar meanStCoNum = 0.0;
34 
35  if (mesh.nInternalFaces())
36  {
37  surfaceScalarField SfUfbyDelta =
38  mesh.surfaceInterpolation::deltaCoeffs()
39  *mag(phiSt/fvc::interpolate(rho));
40 
41  StCoNum =
42  max(SfUfbyDelta/mesh.magSf()).value()
43  *runTime.deltaT().value();
44 
45  meanStCoNum =
46  (sum(SfUfbyDelta)/sum(mesh.magSf())).value()
47  *runTime.deltaT().value();
48  }
49 
50  Info<< "St courant Number mean: " << meanStCoNum
51  << " max: " << StCoNum << endl;
52 }
53 
54 // ************************ vim: set sw=4 sts=4 et: ************************ //