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Ansys CFD (Fluid Flow + Acoustics)

- February 29, 2024 at 11:41 pm
  
  Juan Flores
  Subscriber
  
  Hello Forum,
  Im having trouble pre-processing my geometry to make it suitable for CAA (Computational Aeroacoustics) in CFD. I specified an outer domain enclosing all the geometry and an inner domain enclosing only the quadcopter propeller. I want to model the acoustics without any airflow (vacuum-like) and obtain the data comparing Sound Pressure Level (dB) vs. Frequency. Is this setup sufficient? This is for near-field acoustics btw.
- March 1, 2024 at 1:31 pm
  
  Federico
  Ansys Employee
  
  Hello Juan,
  I'm not sure I understand when you say you want to model the acoustics in "vacuum-like" conditions? How will sound propagate if you don't have any fluid?
- March 1, 2024 at 8:31 pm
  
  Juan Flores
  Subscriber
  
  Sorry, I meant that I want to model this in an area where no air flow is permitted. Sort of an indoor testing.

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