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Transient fluid flow

- February 5, 2024 at 5:30 am
  
  Mohamedramon77
  Bbp_blocked
- February 5, 2024 at 12:18 pm
  
  Rob
  Forum Moderator
  
  Please repost the question.
- February 5, 2024 at 12:25 pm
  
  CFD_Friend
  Ansys Employee
  
  Hi Mohammed,
  Can you describe your issue? I can only see the title (Transient fluid flow).
- February 5, 2024 at 1:35 pm
  
  Rob
  Forum Moderator
  
  OK, so you can calculate the time for the flow to cross one cell. As a starting time step aim for around 1/10 of that value. You then need enough time steps to reach the desired flow time of 20s.
  I assume the 20s is a few residence times of the pipe and that you're monitoring something to determine whether you've reached equilibrium or whatever result you want to see evolve in the data.
- February 5, 2024 at 1:50 pm
  
  Rob
  Forum Moderator
  
  Staff are only able to communicate via the Forum.

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