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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Enabling Fully Premixed FGM › Reply To: Enabling Fully Premixed FGM

May 23, 2024 at 4:38 pm
abtharpe42
Subscriber

Now I have some followup questions. Let's say I want to use a stoichiometric fully premixed mixture of hydrogen and air. The stoichimetric mixture fraction is about 0.0285. For the Fully Premixed FGM setup, would I type 0.0285 in the blank for "Mixture Fraction Value for Flamelet Generation" and then generate the tables? 

After that, would I input 0.0285 in the "Mean Mixture Fraction" blank at my inlet boundary conditon (5 m/s)? Doing this and eventually patching a progress variable of 1 over the whole 2d pipe domain yielded these results:

What am I missing with this procedure that's preventing me from achieving convergence?

 

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