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Getting different vortex core in Fluent and CFD-post for the same Q value.

- September 21, 2023 at 8:27 pm
  
  raju.chowdhury
  Subscriber
  
  Hello,
  I am trying to find an isosurface of a vortex core. The isosurface obtained in Fluent using Q-criterion (Q=1) is largely varying from the isosurface obtained in CFD post. What is the reason for that?
- September 22, 2023 at 1:04 pm
  
  Federico
  Ansys Employee
  
  Hello Raju,
  I believe the values might be normalized and thus non-dimensional in CFD-post. Can you confirm the units of your isosurfaces?

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