IATE.C

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-------------------------------------------------------------------------------
    Copyright (C) 2013-2018 OpenFOAM Foundation
    Copyright (C) 2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
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 "IATE.H"
#include "IATEsource.H"
#include "fvmDdt.H"
#include "fvmDiv.H"
#include "fvmSup.H"
#include "fvcDdt.H"
#include "fvcDiv.H"
#include "fvcAverage.H"
#include "fvOptions.H"
#include "mathematicalConstants.H"
#include "fundamentalConstants.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
    defineTypeNameAndDebug(IATE, 0);
 
    addToRunTimeSelectionTable
    (
        diameterModel,
        IATE,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::diameterModels::IATE::IATE
(
    const dictionary& diameterProperties,
    const phaseModel& phase
)
:
    diameterModel(diameterProperties, phase),
    kappai_
    (
        IOobject
        (
            IOobject::groupName("kappai", phase.name()),
            phase_.time().timeName(),
            phase_.mesh(),
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        phase_.mesh()
    ),
    dMax_("dMax", dimLength, diameterProperties_),
    dMin_("dMin", dimLength, diameterProperties_),
    residualAlpha_("residualAlpha", dimless, diameterProperties_),
    d_
    (
        IOobject
        (
            IOobject::groupName("d", phase.name()),
            phase_.time().timeName(),
            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::dsm() const
{
    return max(6/max(kappai_, 6/dMax_), dMin_);
}
 
void Foam::diameterModels::IATE::correct()
{
    volScalarField alphaAv
    (
        max
        (
            0.5*fvc::average(phase_ + phase_.oldTime()),
            residualAlpha_
        )
    );
 
    // Initialise the accumulated source term to the dilatation effect
    fvScalarMatrix R
    (
       -fvm::SuSp
        (
            ((1.0/3.0)/alphaAv)
           *(
                fvc::ddt(phase_) + fvc::div(phase_.alphaPhi())
              - phase_.continuityError()/phase_.rho()
            ),
            kappai_
        )
    );
 
    // Accumulate the run-time selectable sources
    forAll(sources_, j)
    {
        R += sources_[j].R(alphaAv, kappai_);
    }
 
    fv::options& fvOptions(fv::options::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
      + fvOptions(kappai_)
    );
 
    kappaiEqn.relax();
 
    fvOptions.constrain(kappaiEqn);
 
    kappaiEqn.solve();
 
    // Update the Sauter-mean diameter
    d_ = dsm();
}
 
 
bool Foam::diameterModels::IATE::read(const dictionary& phaseProperties)
{
    diameterModel::read(phaseProperties);
 
    diameterProperties_.readEntry("dMax", dMax_);
    diameterProperties_.readEntry("dMin", dMin_);
 
    // Re-create all the sources updating number, type and coefficients
    PtrList<IATEsource>
    (
        diameterProperties_.lookup("sources"),
        IATEsource::iNew(*this)
    ).transfer(sources_);
 
    return true;
}
 
 
// ************************************************************************* //