LandauTellerReactionRateI.H

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// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
inline Foam::LandauTellerReactionRate::LandauTellerReactionRate
(
    const scalar A,
    const scalar beta,
    const scalar Ta,
    const scalar B,
    const scalar C
)
:
    A_(A),
    beta_(beta),
    Ta_(Ta),
    B_(B),
    C_(C)
{}
 
 
inline Foam::LandauTellerReactionRate::LandauTellerReactionRate
(
    const speciesTable&,
    const dictionary& dict
)
:
    A_(dict.get<scalar>("A")),
    beta_(dict.get<scalar>("beta")),
    Ta_(dict.get<scalar>("Ta")),
    B_(dict.get<scalar>("B")),
    C_(dict.get<scalar>("C"))
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
inline Foam::scalar Foam::LandauTellerReactionRate::operator()
(
    const scalar p,
    const scalar T,
    const scalarField&
) const
{
    scalar lta = A_;
 
    if (mag(beta_) > VSMALL)
    {
        lta *= pow(T, beta_);
    }
 
    scalar expArg = 0.0;
 
    if (mag(Ta_) > VSMALL)
    {
        expArg -= Ta_/T;
    }
 
    if (mag(B_) > VSMALL)
    {
        expArg += B_/cbrt(T);
    }
 
    if (mag(C_) > VSMALL)
    {
        expArg += C_/pow(T, 2.0/3.0);
    }
 
    if (mag(expArg) > VSMALL)
    {
        lta *= exp(expArg);
    }
 
    return lta;
}
 
 
inline void Foam::LandauTellerReactionRate::write(Ostream& os) const
{
    os.writeEntry("A", A_);
    os.writeEntry("beta", beta_);
    os.writeEntry("Ta", Ta_);
    os.writeEntry("B", B_);
    os.writeEntry("C", C_);
}
 
 
inline Foam::Ostream& Foam::operator<<
(
    Ostream& os,
    const LandauTellerReactionRate& arr
)
{
    arr.write(os);
    return os;
}
 
 
// ************************************************************************* //