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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. 

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