did anyone use stiff-chemistry solver before?
in fluent, it recommended that if the reaction chemistry is stiff, it's better to turn on the stiff-chemistry solver by solver-->set-->stiff-chemistry. did anyone ever use it before? i tried, but didn't activate it, the path in the manual doesn't seem to be right.
Re: did anyone use stiff-chemistry solver before?
Which combustion model are you using? I suppose the finite rate chemistry model. If yes, then you can switch it on at the bottom of where you will choose the finite rate chemistry model.
Hope this helps.
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