constantDrift.C

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    Copyright (C) 2017-2018 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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#include "constantDrift.H"
#include "phaseSystem.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
namespace driftModels
{
    defineTypeNameAndDebug(constantDrift, 0);
    addToRunTimeSelectionTable(driftModel, constantDrift, dictionary);
}
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::diameterModels::driftModels::constantDrift::constantDrift
(
    const populationBalanceModel& popBal,
    const dictionary& dict
)
:
    driftModel(popBal, dict),
    N_
    (
        IOobject
        (
            "N",
            popBal.mesh().time().timeName(),
            popBal.mesh()
        ),
        popBal.mesh(),
        dimensionedScalar("zero", inv(dimVolume), Zero)
    )
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::diameterModels::driftModels::constantDrift::correct()
{
    N_ *= 0.0;
 
    forAll(popBal_.sizeGroups(), i)
    {
        const sizeGroup& fi = popBal_.sizeGroups()[i];
 
        N_ += fi*fi.phase()/fi.x();
    }
}
 
 
void Foam::diameterModels::driftModels::constantDrift::addToDriftRate
(
    volScalarField& driftRate,
    const label i
)
{
    const sizeGroup& fi = popBal_.sizeGroups()[i];
    phaseModel& phase = const_cast<phaseModel&>(fi.phase());
    volScalarField& rho = phase.thermoRef().rho();
 
    driftRate += (popBal_.fluid().fvOptions()(phase, rho)&rho)/(N_*rho);
}
 
 
// ************************************************************************* //