The alternative submodels describe different ways of calculating the contribution to the overall properties of each species.
material_type (see below)
number_of_species
For each:
material_type and parameters
number_of_reactions
For each:
Arrhenius rate parameters
number_of_reactants
For each:
name
relative_mass_consumed_per_reaction
number_of_products
For each:
name
relative_mass_produced_per_reaction
specific_energy_released
max_fraction_reacting_per_subcycle (e.g. 0.1)
max_iterations (e.g. 100)
material_cutoff (e.g. 1.0e-6)