StCourantNo.H

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License
    This file is part of OpenFOAM.
 
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Global
    CourantNo
 
Description
    Calculates and outputs the mean and maximum Courant Numbers.
 
\*---------------------------------------------------------------------------*/
 
{
    scalar meanStCoNum = 0.0;
 
    if (mesh.nInternalFaces())
    {
       scalarField sumPhi
        (
            fvc::surfaceSum(mag(phiSt))().primitiveField()
          / rho.primitiveField()
        );
 
        StCoNum = 0.5*gMax(sumPhi/mesh.V().field())*runTime.deltaTValue();
 
        meanStCoNum =
            0.5*(gSum(sumPhi)/gSum(mesh.V().field()))*runTime.deltaTValue();
    }
 
    Info<< "St courant Number mean: " << meanStCoNum
        << " max: " << StCoNum << endl;
}
 
// ************************************************************************* //