Error: delete material: still in use by surface body

- February 14, 2023 at 2:14 am
  
  Oubai Elagab
  Subscriber
  
  Hi All,
  I should only use water as a fluid in my system. I have copied it from the fluent data base since the default is air, but I'm finding difficulties in deleting the air and it tells me it is been in use. I have alraedy checked the cell zone condition and the boundary conditions and no air in there at all but i'm just curious why i still can not delete it and where are other places i should check for the air ?
  I am using 2023R1, is it like i can not delete it at all in this version? please feed me back and thanks in advance
- February 14, 2023 at 5:53 pm
  
  Rob
  Ansys Employee
  
  You should be able to once the cell zone material has been changed.

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