/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2017 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
2017-05-18 Jeff Heylmun:    Added support of polydisperse phase models
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "BeisheuvelBubblePressure.H"
#include "phasePair.H"
#include "addToRunTimeSelectionTable.H"
#include "virtualMassModel.H"

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

namespace Foam
{
namespace bubblePressureModels
{
    defineTypeNameAndDebug(Beisheuvel, 0);
    addToRunTimeSelectionTable
    (
        bubblePressureModel,
        Beisheuvel,
        dictionary
    );
}
}


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

Foam::bubblePressureModels::Beisheuvel::Beisheuvel
(
    const dictionary& dict,
    const phasePair& pair
)
:
    bubblePressureModel(dict, pair),
    Cbp1_("Cbp1", dimless, dict)
{}


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

Foam::bubblePressureModels::Beisheuvel::~Beisheuvel()
{}


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

Foam::tmp<Foam::volScalarField>
Foam::bubblePressureModels::Beisheuvel::pb
(
    const label nodei,
    const label nodej
) const
{
    const fvMesh& mesh(pair_.phase1().mesh());
    const virtualMassModel&
        virtualMass
        (
            mesh.lookupObject<virtualMassModel>
            (
                IOobject::groupName(virtualMassModel::typeName, pair_.name())
            )
        );
    return
        Cbp1_
       *(
            pair_.dispersed().rho()
          + pair_.continuous().rho()*virtualMass.Cvm(nodei, nodej)
        )*Foam::sqr(pair_.dispersed().alphas(nodei))
       *pair_.continuous().alphas(nodej)
       *Foam::sqr(pair_.magUr(nodei, nodej));
}


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