fanFvPatchFields.C

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#include "fanFvPatchFields.H"
#include <OpenFOAM/addToRunTimeSelectionTable.H>
#include <finiteVolume/volFields.H>
#include <finiteVolume/surfaceFields.H>

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    makePatchTypeField(fvPatchScalarField, fanFvPatchScalarField);
}

// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

//- Specialisation of the jump-condition for the pressure
template<>
void Foam::fanFvPatchField<Foam::scalar>::updateCoeffs()
{
    if (updated())
    {
        return;
    }

    jump_ = f_[0];

    if (f_.size() > 1)
    {
        const surfaceScalarField& phi =
            db().lookupObject<surfaceScalarField>("phi");

        const fvsPatchField<scalar>& phip =
            patch().patchField<surfaceScalarField, scalar>(phi);

        scalarField Un = max
        (
            scalarField::subField(phip, size()/2)
           /scalarField::subField(patch().magSf(), size()/2),
            scalar(0)
        );

        if (phi.dimensions() == dimDensity*dimVelocity*dimArea)
        {
            Un /=
                scalarField::subField
                (
                    patch().lookupPatchField<volScalarField, scalar>("rho"),
                    size()/2
                );
        }

        for(label i=1; i<f_.size(); i++)
        {
            jump_ += f_[i]*pow(Un, i);
        }

        jump_ = max(jump_, scalar(0));
    }

    jumpCyclicFvPatchField<scalar>::updateCoeffs();
}


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