interpolationCellPatchConstrained.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
     \\/     M anipulation  |
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#include "interpolationCellPatchConstrained.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * Constructor * * * * * * * * * * * * * * * //
 
template<class Type>
interpolationCellPatchConstrained<Type>::interpolationCellPatchConstrained
(
    const GeometricField<Type, fvPatchField, volMesh>& psi
)
:
    interpolation<Type>(psi)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
Type interpolationCellPatchConstrained<Type>::interpolate
(
    const vector& pt,
    const label cellI,
    const label faceI
) const
{
    if (faceI >= 0 && faceI >= this->psi_.mesh().nInternalFaces())
    {
        // Use boundary value
        const polyBoundaryMesh& pbm = this->psi_.mesh().boundaryMesh();
        label patchI = pbm.patchID()[faceI-this->psi_.mesh().nInternalFaces()];
        label patchFaceI = pbm[patchI].whichFace(faceI);
 
        return this->psi_.boundaryField()[patchI][patchFaceI];
    }
    else
    {
        return this->psi_[cellI];
    }
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //