extendedUpwindCellToFaceStencilTemplates.C

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    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
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    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "extendedCellToFaceStencil.H"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
Foam::tmp<Foam::GeometricField<Type, Foam::fvsPatchField, Foam::surfaceMesh>>
Foam::extendedUpwindCellToFaceStencil::weightedSum
(
    const surfaceScalarField& phi,
    const GeometricField<Type, fvPatchField, volMesh>& fld,
    const List<List<scalar>>& ownWeights,
    const List<List<scalar>>& neiWeights
) const
{
    const fvMesh& mesh = fld.mesh();
 
    // Collect internal and boundary values
    List<List<Type>> ownFld;
    collectData(ownMap(), ownStencil(), fld, ownFld);
    List<List<Type>> neiFld;
    collectData(neiMap(), neiStencil(), fld, neiFld);
 
    tmp<GeometricField<Type, fvsPatchField, surfaceMesh>> tsfCorr
    (
        new GeometricField<Type, fvsPatchField, surfaceMesh>
        (
            IOobject
            (
                fld.name(),
                mesh.time().timeName(),
                mesh,
                IOobject::NO_READ,
                IOobject::NO_WRITE,
                IOobject::NO_REGISTER
            ),
            mesh,
            dimensioned<Type>(fld.dimensions(), Zero)
        )
    );
    GeometricField<Type, fvsPatchField, surfaceMesh>& sf = tsfCorr.ref();
 
    // Internal faces
    for (label facei = 0; facei < mesh.nInternalFaces(); facei++)
    {
        if (phi[facei] > 0)
        {
            // Flux out of owner. Use upwind (= owner side) stencil.
            const List<Type>& stField = ownFld[facei];
            const List<scalar>& stWeight = ownWeights[facei];
 
            forAll(stField, i)
            {
                sf[facei] += stField[i]*stWeight[i];
            }
        }
        else
        {
            const List<Type>& stField = neiFld[facei];
            const List<scalar>& stWeight = neiWeights[facei];
 
            forAll(stField, i)
            {
                sf[facei] += stField[i]*stWeight[i];
            }
        }
    }
 
    // Boundaries. Either constrained or calculated so assign value
    // directly (instead of nicely using operator==)
    typename GeometricField<Type, fvsPatchField, surfaceMesh>::
        Boundary& bSfCorr = sf.boundaryFieldRef();
 
    forAll(bSfCorr, patchi)
    {
        fvsPatchField<Type>& pSfCorr = bSfCorr[patchi];
 
        if (pSfCorr.coupled())
        {
            label facei = pSfCorr.patch().start();
 
            forAll(pSfCorr, i)
            {
                if (phi.boundaryField()[patchi][i] > 0)
                {
                    // Flux out of owner. Use upwind (= owner side) stencil.
                    const List<Type>& stField = ownFld[facei];
                    const List<scalar>& stWeight = ownWeights[facei];
 
                    forAll(stField, j)
                    {
                        pSfCorr[i] += stField[j]*stWeight[j];
                    }
                }
                else
                {
                    const List<Type>& stField = neiFld[facei];
                    const List<scalar>& stWeight = neiWeights[facei];
 
                    forAll(stField, j)
                    {
                        pSfCorr[i] += stField[j]*stWeight[j];
                    }
                }
                facei++;
            }
        }
    }
 
    return tsfCorr;
}
 
 
// ************************************************************************* //