TomiyamaKataokaZunSakaguchi.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2015 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 "TomiyamaKataokaZunSakaguchi.H"
#include "phasePair.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
namespace dragModels
{
    defineTypeNameAndDebug(TomiyamaKataokaZunSakaguchi, 0);
    addToRunTimeSelectionTable
    (
        dragModel,
        TomiyamaKataokaZunSakaguchi,
        dictionary
    );
}
}


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

Foam::dragModels::TomiyamaKataokaZunSakaguchi::TomiyamaKataokaZunSakaguchi
(
    const dictionary& dict,
    const phasePair& pair,
    const bool registerObject
)
:
    dragModel(dict, pair, registerObject),
    residualRe_("residualRe", dimless, dict),
    residualEo_("residualEo", dimless, dict)
{}


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

Foam::dragModels::TomiyamaKataokaZunSakaguchi::~TomiyamaKataokaZunSakaguchi()
{}


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

Foam::tmp<Foam::volScalarField>
Foam::dragModels::TomiyamaKataokaZunSakaguchi::CdRe() const
{
    volScalarField Re(pair_.Re());
    volScalarField Eo(max(pair_.Eo(), residualEo_));

    return
        max
        (
            24.0*(1.0 + 0.15*pow(Re, 0.687))/max(Re, residualRe_),
            8.0*Eo/(3.0*(Eo + 4.0))
        )
       *max(pair_.Re(), residualRe_);
}


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