2 scalar
dtChem = refCast<const BasicChemistryModel<psiReactionThermo>>
basicSpecieMixture & composition
BasicChemistryModel< psiReactionThermo > & chemistry
GeometricField< scalar, fvPatchField, volMesh > volScalarField
psiReactionThermo & thermo
autoPtr< BasicChemistryModel< psiReactionThermo > > pChemistry(BasicChemistryModel< psiReactionThermo >::New(thermo))
PtrList< volScalarField > & Y