pressurePIDControlInletVelocityFvPatchVectorFieldTemplates.C

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    Copyright (C) 2015 OpenCFD Ltd.
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    This file is part of OpenFOAM.
 
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#include "surfaceFields.H"
#include "syncTools.H"
 
// * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * * //
 
template <class Type>
void Foam::pressurePIDControlInletVelocityFvPatchVectorField::faceZoneAverage
(
    const word& name,
    const GeometricField<Type, fvsPatchField, surfaceMesh>& field,
    scalar& area,
    Type& average
) const
{
    const fvMesh& mesh(patch().boundaryMesh().mesh());
 
    bitSet isMasterFace(syncTools::getInternalOrMasterFaces(mesh));
 
    const faceZone& zone = mesh.faceZones()[name];
 
    area = 0;
    average = Type(Zero);
 
    forAll(zone, faceI)
    {
        const label f(zone[faceI]);
 
        if (mesh.isInternalFace(f))
        {
            const scalar da(mesh.magSf()[f]);
 
            area += da;
            average += da*field[f];
        }
        else if (isMasterFace[f])
        {
            const label bf(f-mesh.nInternalFaces());
            const label patchID = mesh.boundaryMesh().patchID()[bf];
            const label lf(mesh.boundaryMesh()[patchID].whichFace(f));
            const scalar da(mesh.magSf().boundaryField()[patchID][lf]);
 
            area += da;
            average += da*field.boundaryField()[patchID][lf];
        }
    }
 
    reduce(area, sumOp<scalar>());
    reduce(average, sumOp<Type>());
 
    average /= area;
}
 
 
// ************************************************************************* //