StCourantNo.H

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