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  ==  == ====== ====   ====    |
                    \\     ||  | 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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#include "Moraga.H"
#include "fvcGrad.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
namespace liftModels
{
    defineTypeNameAndDebug(Moraga, 0);
    addToRunTimeSelectionTable(liftModel, Moraga, dictionary);
}
}


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

Foam::liftModels::Moraga::Moraga
(
    const dictionary& dict,
    const phaseInterface& interface
)
:
    dispersedLiftModel(dict, interface)
{}


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

Foam::liftModels::Moraga::~Moraga()
{}


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

Foam::tmp<Foam::volScalarField> Foam::liftModels::Moraga::Cl() const
{
    volScalarField Re(interface_.Re());

    volScalarField sqrSr
    (
        sqr(interface_.dispersed().d())
       /interface_.continuous().fluidThermo().nu()
       *mag(fvc::grad(interface_.continuous().U()))
    );

    if
    (
        min(Re).value() < 1200.0
     || max(Re).value() > 18800.0
     || min(sqrSr).value() < 0.0016
     || max(sqrSr).value() > 0.04
    )
    {
        WarningInFunction
            << "Re and/or Sr are out of the range of applicability of the "
            << "Moraga model. Clamping to range bounds"
            << endl;
    }

    Re.min(1200.0);
    Re.max(18800.0);

    sqrSr.min(0.0016);
    sqrSr.max(0.04);

    return 0.2*exp(- Re*sqrSr/3.6e5 - 0.12)*exp(Re*sqrSr/3.0e7);
}


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