Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Segmentation Fault : udf for scalar › Reply To: Segmentation Fault : udf for scalar

Rob
Forum Moderator

You shouldn't need UDMs, but double check those macros are available - you may need to tell Fluent to retain data as some of the gradients are not held in RAM by default. There's a TUI command in the manual regarding that.