Udf for particle velocity

- February 13, 2022 at 11:52 pm
  
  yassin
  Subscriber
  
  Hey,
  in Fluent 2019, there is option in dpm to plot contours of mean and RMS values of particles. so,
  What is the macro used for getting Mean particle velocity and RMS particle velocity?
  I know that macro P_VEL(tp)[I] is used for getting the instantaneous velocity.
  Thanks,
- February 14, 2022 at 7:55 am
  
  DrAmine
  Ansys Employee
  
  These macros are not exposed as they are not stored like TP_VEL(tp).
- March 5, 2022 at 12:07 pm
  
  yassin
  Subscriber
  
  Dear Dr. Amina Thanks for your comment.
  Can I store these quantities by using user-defined memory in UDF?
  Thanks.
- March 7, 2022 at 10:59 am
  
  DrAmine
  Ansys Employee
  
  First of All I am Amine and not Amina :)
  For particles better to store on particle user scalar. The user defined memories are generally used if you want to transform the particle related quantities into the "Eulerian" world say things like doing an average of some particles quantities of particles located for some time in the cell.
- March 7, 2022 at 11:12 am
  
  yassin
  Subscriber
  
  Dear Dr. Amine Sorry for the typo. Apology for the same.
  Thanks for your comment.
  Regards
- March 7, 2022 at 12:01 pm
  
  DrAmine
  Ansys Employee
  
  Welcome Yassin ;)

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