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Innovation Space

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someone konw how to deal with this problem?

- June 25, 2026 at 1:47 am
  
  fuze63505
  Subscriber
  
  ,I use UDF to do with dynamic mesh ,but come to this problem ,someonne how to deal with this problem?
- June 25, 2026 at 8:43 am
  
  Rob
  Forum Moderator
  
  Check the UDF is doing something sensible, ie motion is at a finite speed and suitable for the domain. My guess is the flow isn't stable (hence the warning) and that's interacting badly with your dynamic mesh code.

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