GAMGInterface.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
     \\/     M anipulation  |
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License
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    under the terms of the GNU General Public License as published by
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#include "GAMGInterface.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    defineTypeNameAndDebug(GAMGInterface, 0);
    defineRunTimeSelectionTable(GAMGInterface, lduInterface);
    defineRunTimeSelectionTable(GAMGInterface, Istream);
}


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

Foam::GAMGInterface::GAMGInterface
(
    const label index,
    const lduInterfacePtrsList& coarseInterfaces,
    Istream& is
)
:
    index_(index),
    coarseInterfaces_(coarseInterfaces),
    faceCells_(is),
    faceRestrictAddressing_(is)
{}


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

void Foam::GAMGInterface::combine(const GAMGInterface& coarseGi)
{
    const labelList& coarseFra = coarseGi.faceRestrictAddressing_;

    forAll(faceRestrictAddressing_, ffi)
    {
        faceRestrictAddressing_[ffi] = coarseFra[faceRestrictAddressing_[ffi]];
    }

    faceCells_ = coarseGi.faceCells_;
}


Foam::tmp<Foam::labelField> Foam::GAMGInterface::interfaceInternalField
(
    const labelUList& internalData
) const
{
    return interfaceInternalField<label>(internalData);
}


Foam::tmp<Foam::scalarField> Foam::GAMGInterface::agglomerateCoeffs
(
    const scalarField& fineCoeffs
) const
{
    tmp<scalarField> tcoarseCoeffs(new scalarField(size(), 0.0));
    scalarField& coarseCoeffs = tcoarseCoeffs.ref();

    if (fineCoeffs.size() != faceRestrictAddressing_.size())
    {
        FatalErrorInFunction
            << "Size of coefficients " << fineCoeffs.size()
            << " does not correspond to the size of the restriction "
            << faceRestrictAddressing_.size()
            << abort(FatalError);
    }
    if (debug && max(faceRestrictAddressing_) > size())
    {
        FatalErrorInFunction
            << "Face restrict addressing addresses outside of coarse interface"
            << " size. Max addressing:" << max(faceRestrictAddressing_)
            << " coarse size:" << size()
            << abort(FatalError);
    }

    forAll(faceRestrictAddressing_, ffi)
    {
        coarseCoeffs[faceRestrictAddressing_[ffi]] += fineCoeffs[ffi];
    }

    return tcoarseCoeffs;
}


void Foam::GAMGInterface::write(Ostream& os) const
{
    os  << faceCells_ << token::SPACE << faceRestrictAddressing_;
}


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