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  scalarField sumPhi
39  (
40  fvc::surfaceSum(mag(phi))().primitiveField()
41  );
42 
43  CoNum = 0.5*gMax(sumPhi/mesh.V().field())*runTime.deltaTValue();
44 
45  meanCoNum =
46  0.5*(gSum(sumPhi)/gSum(mesh.V().field()))*runTime.deltaTValue();
47 
48  acousticCoNum = 0.5*gMax
49  (
51  (
52  fvc::interpolate(scalar(1)/sqrt(psi))*mesh.magSf()
53  )().primitiveField()/mesh.V().field()
54  )*runTime.deltaTValue();
55 }
56 
57 Info<< "phi Courant Number mean: " << meanCoNum
58  << " max: " << CoNum
59  << " acoustic max: " << acousticCoNum
60  << endl;
61 
62 // ************************************************************************* //
surfaceScalarField & phi
dimensionedScalar sqrt(const dimensionedScalar &ds)
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:253
tmp< surfaceScalarField > interpolate(const RhoType &rho)
dynamicFvMesh & mesh
Type gSum(const FieldField< Field, Type > &f)
volScalarField scalarField(fieldObject, mesh)
Type gMax(const FieldField< Field, Type > &f)
scalar CoNum
Definition: CourantNo.H:29
messageStream Info
dimensioned< scalar > mag(const dimensioned< Type > &)
scalar acousticCoNum
Definition: CourantNo.H:31
tmp< GeometricField< Type, fvPatchField, volMesh > > surfaceSum(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
const volScalarField & psi
scalar meanCoNum
Definition: CourantNo.H:30