layerAverageTemplates.C

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#include "layerAverage.H"
#include "fvMesh.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class T>
T Foam::functionObjects::layerAverage::symmetricCoeff() const
{
    return pTraits<T>::one;
}
 
 
template<class T>
Foam::tmp<Foam::Field<T>> Foam::functionObjects::layerAverage::sum
(
    const VolInternalField<T>& cellField
) const
{
    tmp<Field<T>> tlayerField(new Field<T>(nLayers_, Zero));
    Field<T>& layerField = tlayerField.ref();
 
    forAll(cellLayer_, celli)
    {
        if (cellLayer_[celli] != -1)
        {
            layerField[cellLayer_[celli]] += cellField[celli];
        }
    }
 
    Pstream::listCombineGather(layerField, plusEqOp<T>());
    Pstream::listCombineScatter(layerField);
 
    return tlayerField;
}
 
 
template<class T>
Foam::tmp<Foam::Field<T>> Foam::functionObjects::layerAverage::average
(
    const tmp<VolInternalField<scalar>>& cellWeight,
    const tmp<Field<scalar>>& layerWeight,
    const VolInternalField<T>& cellField
) const
{
    tmp<Field<T>> tlayerField
    (
        cellWeight.valid()
      ? sum<T>(mesh_.V()*cellWeight*cellField)/layerWeight
      : sum<T>(mesh_.V()*cellField)/layerVolume_
    );
 
    // Handle symmetry
    if (symmetric_)
    {
        Field<T>& layerField = tlayerField.ref();
 
        const T coeff = symmetricCoeff<T>();
 
        for (label i=0; i<nLayers_/2; i++)
        {
            const label j = nLayers_ - i - 1;
 
            layerField[i] =
                (layerField[i] + cmptMultiply(coeff, layerField[j]))/2;
        }
 
        layerField.setSize(nLayers_/2);
    }
 
    return tlayerField;
}
 
 
// ************************************************************************* //