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Setting up a DUALCSES segment set

- July 30, 2026 at 4:14 pm
  
  kumar-a16
  Subscriber
  
  My LS Prepost keeps on crashing when I hit on apply after setting ua a boundary condition, is there any other way to do it ao maybe I am making a mistake, please help.
- July 31, 2026 at 1:50 am
  
  Nanda Veralla
  Subscriber
  
  Hello Kumar,
  
  Which LSPP version is this?
  
  Regards,
  
  Nanda
  
  Have a look at our public help documentation: Ansys Help
  
  For more exciting courses and certifications, check this out: Learning
- August 4, 2026 at 9:37 am
  
  kumar-a16
  Subscriber
  
  Thanks for the response. I am using R14, while I managed to set the boundary condition but I need some help with an error I cannot seem to figure out: Error 200390 (DCESE+390)
  *DUALCESE_BOUNDARY_NON_REFLECTIVE_SEGMENT_SET
  All *DUALCESE cards must be given inside of the file hierarchy specified
  by a *DUALCESE_MODEL card.
  
  I cannot seem to understand how the different .k files are referred in the available DUALCESE examples. I tried through the same approch as the ICFD method but that does not seem to work. Can anyone provide some advise please.

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