multivariateSelectionScheme.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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#include "multivariateSelectionScheme.H"
#include <finiteVolume/limitedSurfaceInterpolationScheme.H>
#include <finiteVolume/volFields.H>
#include <finiteVolume/surfaceFields.H>
#include <finiteVolume/upwind.H>

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

template<class Type>
multivariateSelectionScheme<Type>::multivariateSelectionScheme
(
    const fvMesh& mesh,
    const typename multivariateSurfaceInterpolationScheme<Type>::
        fieldTable& fields,
    const surfaceScalarField& faceFlux,
    Istream& schemeData
)
:
    multivariateSurfaceInterpolationScheme<Type>
    (
        mesh,
        fields,
        faceFlux,
        schemeData
    ),
    schemes_(schemeData),
    faceFlux_(faceFlux),
    weights_
    (
        IOobject
        (
            "multivariateWeights",
            mesh.time().timeName(),
            mesh
        ),
        mesh,
        dimless
    )
{
    typename multivariateSurfaceInterpolationScheme<Type>::
        fieldTable::const_iterator iter = this->fields().begin();

    surfaceScalarField limiter =
    (
        limitedSurfaceInterpolationScheme<Type>::New
        (
            mesh,
            faceFlux_,
            schemes_.lookup(iter()->name())
        )().limiter(*iter())
    );

    for (++iter; iter != this->fields().end(); ++iter)
    {
        limiter = min
        (
            limiter,
            limitedSurfaceInterpolationScheme<Type>::New
            (
                mesh,
                faceFlux_,
                schemes_.lookup(iter()->name())
            )().limiter(*iter())
        );
    }

    weights_ =
        limiter*mesh.surfaceInterpolation::weights()
      + (scalar(1) - limiter)*upwind<Type>(mesh, faceFlux_).weights();
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

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