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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › species gradient calculation UDF error — can’t find the function › Reply To: species gradient calculation UDF error — can’t find the function

January 7, 2025 at 5:04 pm
Rob
Forum Moderator

If UDM0 is showing zero, then the field isn't being populated. So, next step is to check the scalar has a non-zero value. 

Not sure about the emails. I just got one for the thread otherwise I'd not see any messages: given the number of threads I check I'd never keep track otherwise!Â