calcFrictionFactor.H
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1 {
2  // Stabilisation of friction factor calculation
3  // Friction factor is defined with standard gravity
4  frictionFactor.primitiveFieldRef() =
5  mag(2*9.81*sqr(manningField.primitiveField())/
6  cbrt(mag(h.primitiveField()) + 1e-7));
7 }
Foam::mag
dimensioned< typename typeOfMag< Type >::type > mag(const dimensioned< Type > &dt)
Foam::sqr
dimensionedSymmTensor sqr(const dimensionedVector &dv)
Definition: dimensionedSymmTensor.C:44
Foam::constant::electromagnetic::e
const dimensionedScalar e
Elementary charge.
Definition: createFields.H:11
Foam::cbrt
dimensionedScalar cbrt(const dimensionedScalar &ds)
Definition: dimensionedScalar.C:148
Foam::constant::universal::h
const dimensionedScalar h
Planck constant.
Definition: setRegionSolidFields.H:32