ode.C

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#include "ode.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class ChemistryModel>
Foam::ode<ChemistryModel>::ode(const fluidMulticomponentThermo& thermo)
:
    chemistrySolver<ChemistryModel>(thermo),
    coeffsDict_(this->subDict("odeCoeffs")),
    odeSolver_(ODESolver::New(*this, coeffsDict_)),
    cTp_(this->nEqns())
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
template<class ChemistryModel>
Foam::ode<ChemistryModel>::~ode()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class ChemistryModel>
void Foam::ode<ChemistryModel>::solve
(
    scalar& p,
    scalar& T,
    scalarField& c,
    const label li,
    scalar& deltaT,
    scalar& subDeltaT
) const
{
    // Reset the size of the ODE system to the simplified size when mechanism
    // reduction is active
    if (odeSolver_->resize())
    {
        odeSolver_->resizeField(cTp_);
    }
 
    const label nSpecie = this->nSpecie();
 
    // Copy the concentration, T and P to the total solve-vector
    for (int i=0; i<nSpecie; i++)
    {
        cTp_[i] = c[i];
    }
    cTp_[nSpecie] = T;
    cTp_[nSpecie+1] = p;
 
    if (debug)
    {
        scalarField dcTp(this->nEqns(), rootSmall);
        dcTp[nSpecie] = T*rootSmall;
        dcTp[nSpecie+1] = p*rootSmall;
        this->check(0, cTp_, dcTp, li);
    }
 
    odeSolver_->solve(0, deltaT, cTp_, li, subDeltaT);
 
    for (int i=0; i<nSpecie; i++)
    {
        c[i] = max(0.0, cTp_[i]);
    }
    T = cTp_[nSpecie];
    p = cTp_[nSpecie+1];
}
 
 
// ************************************************************************* //