CentredFitData.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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License
    This file is part of OpenFOAM.

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#include "CentredFitData.H"
#include <finiteVolume/surfaceFields.H>
#include <finiteVolume/volFields.H>
#include <OpenFOAM/SVD.H>
#include <OpenFOAM/syncTools.H>
#include <finiteVolume/extendedCentredCellToFaceStencil.H>

// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //

template<class Polynomial>
Foam::CentredFitData<Polynomial>::CentredFitData
(
    const fvMesh& mesh,
    const extendedCentredCellToFaceStencil& stencil,
    const scalar linearLimitFactor,
    const scalar centralWeight
)
:
    FitData
    <
        CentredFitData<Polynomial>,
        extendedCentredCellToFaceStencil,
        Polynomial
    >
    (
        mesh, stencil, true, linearLimitFactor, centralWeight
    ),
    coeffs_(mesh.nFaces())
{
    if (debug)
    {
        Info<< "Contructing CentredFitData<Polynomial>" << endl;
    }

    calcFit();

    if (debug)
    {
        Info<< "CentredFitData<Polynomial>::CentredFitData() :"
            << "Finished constructing polynomialFit data"
            << endl;
    }
}


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

template<class Polynomial>
void Foam::CentredFitData<Polynomial>::calcFit()
{
    const fvMesh& mesh = this->mesh();

    // Get the cell/face centres in stencil order.
    // Centred face stencils no good for triangles or tets.
    // Need bigger stencils
    List<List<point> > stencilPoints(mesh.nFaces());
    this->stencil().collectData(mesh.C(), stencilPoints);

    // find the fit coefficients for every face in the mesh

    const surfaceScalarField& w = mesh.surfaceInterpolation::weights();

    for(label facei = 0; facei < mesh.nInternalFaces(); facei++)
    {
        FitData
        <
            CentredFitData<Polynomial>,
            extendedCentredCellToFaceStencil,
            Polynomial
        >::calcFit(coeffs_[facei], stencilPoints[facei], w[facei], facei);
    }

    const surfaceScalarField::GeometricBoundaryField& bw = w.boundaryField();

    forAll(bw, patchi)
    {
        const fvsPatchScalarField& pw = bw[patchi];

        if (pw.coupled())
        {
            label facei = pw.patch().patch().start();

            forAll(pw, i)
            {
                FitData
                <
                    CentredFitData<Polynomial>,
                    extendedCentredCellToFaceStencil,
                    Polynomial
                >::calcFit(coeffs_[facei], stencilPoints[facei], pw[i], facei);
                facei++;
            }
        }
    }
}


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