UDF beginner's tutorials

Hello, I have just been exposed to MFIX recently. Do you have any recommended UDF beginner’s tutorials? I really don’t know how to get started.


If you are looking for a reacting flow UDF, look at the silane pyrolysis, if you want moving geometry with dem, look at the conveyor belt.

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Thank you very much for your answer.
I want to simulate the physical processes and phenomena that occur when particles burn during motion, and the combustion is spontaneous when the surface temperature reaches the ignition temperature. Do you have any suggestions?
Thank you.