IATE.C

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License
    This file is part of OpenFOAM.
 
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#include "IATE.H"
#include "IATEsource.H"
#include "fvmDdt.H"
#include "fvmDiv.H"
#include "fvmSup.H"
#include "fvcDdt.H"
#include "fvcDiv.H"
#include "fvcAverage.H"
#include "fvModels.H"
#include "fvConstraints.H"
#include "mathematicalConstants.H"
#include "fundamentalConstants.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
    defineTypeNameAndDebug(IATE, 0);
    addToRunTimeSelectionTable(diameterModel, IATE, dictionary);
}
}
 
 
// * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField> Foam::diameterModels::IATE::dsm() const
{
    return max(6/max(kappai_, 6/dMax_), dMin_);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::diameterModels::IATE::IATE
(
    const dictionary& diameterProperties,
    const phaseModel& phase
)
:
    diameterModel(diameterProperties, phase),
    kappai_
    (
        IOobject
        (
            IOobject::groupName("kappai", phase.name()),
            phase.time().name(),
            phase.mesh(),
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        phase.mesh(),
        inv(dimensions::length)
    ),
    dMax_("dMax", dimLength, diameterProperties),
    dMin_("dMin", dimLength, diameterProperties),
    residualAlpha_("residualAlpha", dimless, diameterProperties),
    d_
    (
        IOobject
        (
            IOobject::groupName("d", phase.name()),
            phase.time().name(),
            phase.mesh(),
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        dsm()
    ),
    sources_(diameterProperties.lookup("sources"), IATEsource::iNew(*this))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::diameterModels::IATE::~IATE()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField> Foam::diameterModels::IATE::d() const
{
    return d_;
}
 
 
Foam::tmp<Foam::volScalarField> Foam::diameterModels::IATE::Av() const
{
    return phase()*kappai_;
}
 
 
void Foam::diameterModels::IATE::correct()
{
    const volScalarField& alpha = phase();
    const volScalarField& rho = phase().rho();
 
    volScalarField alphaAv
    (
        max
        (
            0.5*fvc::average(alpha + alpha.oldTime()),
            residualAlpha_
        )
    );
 
    // Initialise the accumulated source term to the dilatation effect
    fvScalarMatrix R
    (
       -fvm::SuSp
        (
            ((1.0/3.0)/alphaAv)
           *(
                (fvc::ddt(alpha) + fvc::div(phase().alphaPhi()))
              - (fvc::ddt(alpha, rho) + fvc::div(phase().alphaRhoPhi()))/rho
            ),
            kappai_
        )
    );
 
    // Accumulate the run-time selectable sources
    forAll(sources_, j)
    {
        R += sources_[j].R(kappai_);
    }
 
    const Foam::fvModels& fvModels =
        Foam::fvModels::New(phase().mesh());
    const Foam::fvConstraints& fvConstraints =
        Foam::fvConstraints::New(phase().mesh());
 
    // Construct the interfacial curvature equation
    fvScalarMatrix kappaiEqn
    (
        fvm::ddt(kappai_) + fvm::div(phase().phi(), kappai_)
      - fvm::Sp(fvc::div(phase().phi()), kappai_)
     ==
        R
      + fvModels.source(alpha, rho, kappai_)/(alphaAv*rho)
    );
 
    kappaiEqn.relax();
 
    fvConstraints.constrain(kappaiEqn);
 
    kappaiEqn.solve();
 
    // Update the Sauter-mean diameter
    d_ = dsm();
}
 
 
bool Foam::diameterModels::IATE::read(const dictionary& diameterProperties)
{
    dMax_.read(diameterProperties);
    dMin_.read(diameterProperties);
 
    residualAlpha_.read(diameterProperties);
 
    // Re-create all the sources updating number, type and coefficients
    PtrList<IATEsource>
    (
        diameterProperties.lookup("sources"),
        IATEsource::iNew(*this)
    ).transfer(sources_);
 
    return true;
}
 
 
// ************************************************************************* //