PaSR.C

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    Copyright (C) 2011-2017 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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#include "PaSR.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class ReactionThermo>
Foam::combustionModels::PaSR<ReactionThermo>::PaSR
(
    const word& modelType,
    ReactionThermo& thermo,
    const compressibleTurbulenceModel& turb,
    const word& combustionProperties
)
:
    laminar<ReactionThermo>(modelType, thermo, turb, combustionProperties),
    Cmix_(this->coeffs().getScalar("Cmix")),
    kappa_
    (
        IOobject
        (
            thermo.phasePropertyName(typeName + ":kappa"),
            this->mesh().time().timeName(),
            this->mesh(),
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        this->mesh(),
        dimensionedScalar(dimless, Zero)
    )
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class ReactionThermo>
Foam::combustionModels::PaSR<ReactionThermo>::~PaSR()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
template<class ReactionThermo>
void Foam::combustionModels::PaSR<ReactionThermo>::correct()
{
    if (this->active())
    {
        laminar<ReactionThermo>::correct();
 
        tmp<volScalarField> tepsilon(this->turbulence().epsilon());
        const scalarField& epsilon = tepsilon();
 
        tmp<volScalarField> tmuEff(this->turbulence().muEff());
        const scalarField& muEff = tmuEff();
 
        tmp<volScalarField> ttc(this->tc());
        const scalarField& tc = ttc();
 
        tmp<volScalarField> trho(this->rho());
        const scalarField& rho = trho();
 
        forAll(epsilon, i)
        {
            const scalar tk =
                Cmix_*sqrt(max(muEff[i]/rho[i]/(epsilon[i] + SMALL), 0));
 
            if (tk > SMALL)
            {
                kappa_[i] = tc[i]/(tc[i] + tk);
            }
            else
            {
                kappa_[i] = 1.0;
            }
        }
    }
}
 
 
template<class ReactionThermo>
Foam::tmp<Foam::fvScalarMatrix>
Foam::combustionModels::PaSR<ReactionThermo>::R(volScalarField& Y) const
{
    return kappa_*laminar<ReactionThermo>::R(Y);
}
 
 
template<class ReactionThermo>
Foam::tmp<Foam::volScalarField>
Foam::combustionModels::PaSR<ReactionThermo>::Qdot() const
{
    return tmp<volScalarField>
    (
        new volScalarField
        (
            this->thermo().phasePropertyName(typeName + ":Qdot"),
            kappa_*laminar<ReactionThermo>::Qdot()
        )
    );
}
 
 
template<class ReactionThermo>
bool Foam::combustionModels::PaSR<ReactionThermo>::read()
{
    if (laminar<ReactionThermo>::read())
    {
        this->coeffs().readEntry("Cmix", Cmix_);
        return true;
    }
 
    return false;
}
 
 
// ************************************************************************* //