rxnA = 103
rxnB = 0
reaction_mechanism = 'gri30.cti'
gas = ct.Solution(reaction_mechanism)
width = 0.02
f = ct.CounterflowDiffusionFlame(gas, width=width)
file_name = 'extinction.xml' #solutions from counterflow simulation
f.restore(file_name, name='solution', loglevel=0)
rop_rxnA = f.net_rates_of_progress[rxnA]
Thank you in advance.