TomiyamaLiftForce.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2012 OpenFOAM Foundation
     \\/     M anipulation  |
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License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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\*---------------------------------------------------------------------------*/

#include "TomiyamaLiftForce.H"

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

template<class CloudType>
Foam::scalar Foam::TomiyamaLiftForce<CloudType>::TomiyamaLiftForce::Cl
(
    const typename CloudType::parcelType& p,
    const vector& curlUc,
    const scalar Re,
    const scalar muc
) const
{
    const vector& g = this->owner().g().value();

    scalar Eo = p.Eo(g, p.d(), sigma_);
    scalar dH = p.d()*cbrt(1.0 + 0.163*pow(Eo, 0.757));
    scalar Eod = p.Eo(g, dH, sigma_);
    scalar f = 0.00105*pow3(Eod) - 0.0159*sqr(Eod) - 0.0204*Eod + 0.474;

    if (Eod <= 4)
    {
        return min(0.288*tanh(0.121*Re), f);
    }
    else if ((Eod > 4) && (Eod <= 10))
    {
        return f;
    }
    else
    {
        return -0.27;
    }
}


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

template<class CloudType>
Foam::TomiyamaLiftForce<CloudType>::TomiyamaLiftForce
(
    CloudType& owner,
    const fvMesh& mesh,
    const dictionary& dict,
    const word& forceType
)
:
    LiftForce<CloudType>(owner, mesh, dict, forceType),
    sigma_(readScalar(this->coeffs().lookup("sigma")))
{}


template<class CloudType>
Foam::TomiyamaLiftForce<CloudType>::TomiyamaLiftForce
(
    const TomiyamaLiftForce& lf
)
:
    LiftForce<CloudType>(lf),
    sigma_(lf.sigma_)
{}


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

template<class CloudType>
Foam::TomiyamaLiftForce<CloudType>::~TomiyamaLiftForce()
{}


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