eddyDissipationModelBase.C

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    Copyright (C) 2016-2019 OpenCFD Ltd
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License
 
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#include "eddyDissipationModelBase.H"
#include "zeroGradientFvPatchFields.H"
 
namespace Foam
{
namespace combustionModels
{
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class ReactionThermo, class ThermoType>
eddyDissipationModelBase<ReactionThermo, ThermoType>::eddyDissipationModelBase
(
    const word& modelType,
    ReactionThermo& thermo,
    const compressibleTurbulenceModel& turb,
    const word& combustionProperties
)
:
    singleStepCombustion<ReactionThermo, ThermoType>
    (
        modelType,
        thermo,
        turb,
        combustionProperties
    ),
    CEDC_(this->coeffs().getScalar("CEDC"))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class ReactionThermo, class ThermoType>
eddyDissipationModelBase<ReactionThermo, ThermoType>::
~eddyDissipationModelBase()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
template<class ReactionThermo, class ThermoType>
Foam::tmp<Foam::volScalarField>
eddyDissipationModelBase<ReactionThermo, ThermoType>::rtTurb() const
{
    return
        CEDC_*this->turbulence().epsilon()
      / max
        (
            this->turbulence().k(),
            dimensionedScalar("SMALL",sqr(dimVelocity), SMALL)
        );
}
 
 
template<class ReactionThermo, class ThermoType>
void eddyDissipationModelBase<ReactionThermo, ThermoType>::correct()
{
    this->wFuel_ == Zero;
 
    if (this->active())
    {
        this->singleMixturePtr_->fresCorrect();
 
        const label fuelI = this->singleMixturePtr_->fuelIndex();
 
        const volScalarField& YFuel = this->thermo_.composition().Y()[fuelI];
 
        const dimensionedScalar s = this->singleMixturePtr_->s();
 
        if (this->thermo_.composition().contains("O2"))
        {
            const volScalarField& YO2 = this->thermo_.composition().Y("O2");
 
            this->wFuel_ ==
                  this->rho()
                * min(YFuel, YO2/s.value())
                * timeScale();
        }
        else
        {
            FatalErrorInFunction
                << "You selected a combustion model that requires O2 mass"
                << " to be present in the mixture"
                << exit(FatalError);
        }
    }
}
 
 
template<class ReactionThermo, class ThermoType>
bool eddyDissipationModelBase<ReactionThermo, ThermoType>::read()
{
    if (singleStepCombustion<ReactionThermo, ThermoType>::read())
    {
        this->coeffs().readEntry("CEDC", CEDC_);
        return true;
    }
 
    return false;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace combustionModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //