centralCourantNo.H

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Global
    centralCourantNo

Description
    Calculates the mean and maximum wave speed based Courant Numbers.

\*---------------------------------------------------------------------------*/

if (mesh.nInternalFaces())
{
    scalarField sumAmaxSf(fvc::surfaceSum(amaxSf)().primitiveField());

    CoNum = 0.5*gMax(sumAmaxSf/mesh.V().field())*runTime.deltaTValue();

    meanCoNum =
        0.5*(gSum(sumAmaxSf)/gSum(mesh.V().field()))*runTime.deltaTValue();
}

Info<< "Mean and max Courant Numbers = "
    << meanCoNum << " " << CoNum << endl;

// ************************************************************************* //