PhaseTransferPhaseSystem.C

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    Copyright (C) 2018 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
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#include "PhaseTransferPhaseSystem.H"
#include "phaseTransferModel.H"
#include "fvmSup.H"
 
// * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * * //
 
template<class BasePhaseSystem>
Foam::tmp<Foam::volScalarField>
Foam::PhaseTransferPhaseSystem<BasePhaseSystem>::rDmdt
(
    const phasePairKey& key
) const
{
    if (!rDmdt_.found(key))
    {
        return phaseSystem::dmdt(key);
    }
 
    const scalar rDmdtSign(Pair<word>::compare(rDmdt_.find(key).key(), key));
 
    return rDmdtSign**rDmdt_[key];
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class BasePhaseSystem>
Foam::PhaseTransferPhaseSystem<BasePhaseSystem>::PhaseTransferPhaseSystem
(
    const fvMesh& mesh
)
:
    BasePhaseSystem(mesh)
{
    this->generatePairsAndSubModels
    (
        "phaseTransfer",
        phaseTransferModels_,
        false
    );
 
    forAllConstIter
    (
        phaseTransferModelTable,
        phaseTransferModels_,
        phaseTransferModelIter
    )
    {
        this->rDmdt_.set
        (
            phaseTransferModelIter.key(),
            phaseSystem::dmdt(phaseTransferModelIter.key()).ptr()
        );
    }
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class BasePhaseSystem>
Foam::PhaseTransferPhaseSystem<BasePhaseSystem>::
~PhaseTransferPhaseSystem()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
template<class BasePhaseSystem>
Foam::tmp<Foam::volScalarField>
Foam::PhaseTransferPhaseSystem<BasePhaseSystem>::dmdt
(
    const phasePairKey& key
) const
{
    return BasePhaseSystem::dmdt(key) + this->rDmdt(key);
}
 
 
template<class BasePhaseSystem>
Foam::PtrList<Foam::volScalarField>
Foam::PhaseTransferPhaseSystem<BasePhaseSystem>::dmdts() const
{
    PtrList<volScalarField> dmdts(BasePhaseSystem::dmdts());
 
    forAllConstIter(rDmdtTable, rDmdt_, rDmdtIter)
    {
        const phasePair& pair = this->phasePairs_[rDmdtIter.key()];
        const volScalarField& rDmdt = *rDmdtIter();
 
        this->addField(pair.phase1(), "dmdt", rDmdt, dmdts);
        this->addField(pair.phase2(), "dmdt", - rDmdt, dmdts);
    }
 
    return dmdts;
}
 
 
template<class BasePhaseSystem>
Foam::autoPtr<Foam::phaseSystem::massTransferTable>
Foam::PhaseTransferPhaseSystem<BasePhaseSystem>::massTransfer() const
{
    // Create a mass transfer matrix for each species of each phase
    autoPtr<phaseSystem::massTransferTable> eqnsPtr
    (
        new phaseSystem::massTransferTable()
    );
 
    phaseSystem::massTransferTable& eqns = eqnsPtr();
 
    forAll(this->phaseModels_, phasei)
    {
        const phaseModel& phase = this->phaseModels_[phasei];
 
        const PtrList<volScalarField>& Yi = phase.Y();
 
        forAll(Yi, i)
        {
            eqns.set
            (
                Yi[i].name(),
                new fvScalarMatrix(Yi[i], dimMass/dimTime)
            );
        }
    }
 
    // Mass transfer across the interface
    forAllConstIter
    (
        phaseTransferModelTable,
        phaseTransferModels_,
        phaseTransferModelIter
    )
    {
        const phasePair& pair(this->phasePairs_[phaseTransferModelIter.key()]);
 
        const phaseModel& phase = pair.phase1();
        const phaseModel& otherPhase = pair.phase2();
 
        // Note that the phase YiEqn does not contain a continuity error term,
        // so these additions represent the entire mass transfer
 
        const volScalarField dmdt(this->rDmdt(pair));
        const volScalarField dmdt12(negPart(dmdt));
        const volScalarField dmdt21(posPart(dmdt));
 
        const PtrList<volScalarField>& Yi = phase.Y();
 
        forAll(Yi, i)
        {
            const word name
            (
                IOobject::groupName(Yi[i].member(), phase.name())
            );
 
            const word otherName
            (
                IOobject::groupName(Yi[i].member(), otherPhase.name())
            );
 
            *eqns[name] +=
                dmdt21*eqns[otherName]->psi()
              + fvm::Sp(dmdt12, eqns[name]->psi());
 
            *eqns[otherName] -=
                dmdt12*eqns[name]->psi()
              + fvm::Sp(dmdt21, eqns[otherName]->psi());
        }
 
    }
 
    return eqnsPtr;
}
 
 
template<class BasePhaseSystem>
void Foam::PhaseTransferPhaseSystem<BasePhaseSystem>::correct()
{
    BasePhaseSystem::correct();
 
    forAllConstIter
    (
        phaseTransferModelTable,
        phaseTransferModels_,
        phaseTransferModelIter
    )
    {
        *rDmdt_[phaseTransferModelIter.key()] =
            dimensionedScalar(dimDensity/dimTime);
    }
 
    forAllConstIter
    (
        phaseTransferModelTable,
        phaseTransferModels_,
        phaseTransferModelIter
    )
    {
        *rDmdt_[phaseTransferModelIter.key()] +=
            phaseTransferModelIter()->dmdt();
    }
}
 
 
template<class BasePhaseSystem>
bool Foam::PhaseTransferPhaseSystem<BasePhaseSystem>::read()
{
    if (BasePhaseSystem::read())
    {
        bool readOK = true;
 
        // Models ...
 
        return readOK;
    }
    else
    {
        return false;
    }
}
 
 
// ************************************************************************* //