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  scalarField sumPhi
38  (
39  fvc::surfaceSum(mag(phiSt))().primitiveField()
40  / rho.primitiveField()
41  );
42 
43  StCoNum = 0.5*gMax(sumPhi/mesh.V().field())*runTime.deltaTValue();
44 
45  meanStCoNum =
46  0.5*(gSum(sumPhi)/gSum(mesh.V().field()))*runTime.deltaTValue();
47  }
48 
49  Info<< "St courant Number mean: " << meanStCoNum
50  << " max: " << StCoNum << endl;
51 }
52 
53 // ************************************************************************* //
engineTime & runTime
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:256
dynamicFvMesh & mesh
Type gSum(const FieldField< Field, Type > &f)
volScalarField scalarField(fieldObject, mesh)
Type gMax(const FieldField< Field, Type > &f)
messageStream Info
dimensioned< scalar > mag(const dimensioned< Type > &)
tmp< GeometricField< Type, fvPatchField, volMesh > > surfaceSum(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)