/*---------------------------------------------------------------------------*\
  ==  == ====== ====   ====    |
                    \\     ||  | Multiphase Code Repository by HZDR
  ======   //   ||  || ===//   | Website: https://doi.org/10.14278/rodare.767
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-------------------------------------------------------------------------------
License
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    Website: https://hzdr.de

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    computational fluid dynamics (CFD) from the OpenFOAM Foundation.
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#include "constantAttachment.H"
#include "addToRunTimeSelectionTable.H"
#include "rhoFluidMulticomponentThermo.H"

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

namespace Foam
{
namespace fv
{
    defineTypeNameAndDebug(constantAttachment, 0);
    addToRunTimeSelectionTable
    (
        attachmentModel, constantAttachment, dictionary
    );
}
}


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

Foam::tmp<Foam::volScalarField>
Foam::fv::constantAttachment::attachmentLimiter() const
{
    const volScalarField& Yi = aggregatePhase_.Y(species_[0]);
    const volScalarField& rhoA = aggregatePhase_.rho();
    const volScalarField rhoI(thermo_.rhoi(indexI_, thermo_.p(), thermo_.T()));
    const volScalarField rhoC(thermo_.rhoi(indexC_, thermo_.p(), thermo_.T()));
    const volScalarField dB(aggregatePhase_.d());
    const volScalarField dP(detachedPhase_.d());

    const volScalarField YNew =
        (Yi*aggregatePhase_*rhoA + k_*interface_.mesh().time().deltaT())
       /(
            max(aggregatePhase_, aggregatePhase_.residualAlpha())*rhoA
          + k_*interface_.mesh().time().deltaT()
        );

    const volScalarField surfaceLoadingNew =
        surfaceLoading(dB, dP, (1 - YNew), YNew, rhoC, rhoI);

    surfaceLoading(dB, dP, aggregatePhase_.Y(carrierSpecie_), Yi, rhoC, rhoI);

    attachmentLimiter_ =
        neg(surfaceLoading_ - maxLoading_)
       *(
            neg0(surfaceLoadingNew - maxLoading_)
          + pos(surfaceLoadingNew - maxLoading_)
           *(
                4*aggregatePhase_*rhoA*dP*rhoI*maxLoading_*(1 - Yi)
              - aggregatePhase_*rhoA*dB*rhoC*Yi
            )
           /(rhoC*dB*k_*interface_.mesh().time().deltaT())
        );

    return attachmentLimiter_;
}


Foam::tmp<Foam::volScalarField>
Foam::fv::constantAttachment::rate() const
{
    return tmp<volScalarField>(volScalarField::New("k", interface_.mesh(), k_));
}


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

Foam::fv::constantAttachment::constantAttachment
(
    const dictionary& dict,
    const dispersedPhaseInterface& interface,
    const hashedWordList& species
)
:
    attachmentModel(dict, interface, species),
    k_("k", dimDensity/dimTime, dict),
    attachmentLimiter_
    (
        IOobject
        (
            IOobject::groupName("attachmentLimiter", aggregatePhase_.name()),
            interface_.mesh().time().name(),
            interface_.mesh()
        ),
        interface_.mesh(),
        dimensionedScalar(dimless, Zero)
    )
{}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::fv::constantAttachment::~constantAttachment()
{}


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