cfx partitioning error

- June 12, 2023 at 5:00 pm
  
  neilb.mcfadyen
  Subscriber
  
  When running Ansys CFX 2022R2 on Linux, user gets this error
  Details of error:-
  ----------------
  Error detected by routine PEEKI
  CDANAM = /FLOW/GEOMETRY/KZnBcp
  CRESLT = ADRS
  Current Directory : /FLOW/PHYSICS
  +--------------------------------------------------------------------+
  | ERROR #001100279 has occurred in subroutine ErrAction. |
  | Message: |
  | Stopped in routine MEMERR |
  | |
  | |
  | |
  | |
  | |
  +--------------------------------------------------------------------+
  +--------------------------------------------------------------------+
  | An error has occurred in cfx5solve: |
  | |
  | The ANSYS CFX partitioner exited with return code 1.
  
  Tried running it on a system with 128gb of memory and got the same error.
  User can run it on her own computer with 16gb memory on Windows it works
- June 13, 2023 at 2:47 pm
  
  C N
  Ansys Employee
  
  Hello Neil,
  I recommend you to re run the case with automatic partition instead of manual partition sometimes this might me reason you get this error . These error can occur due to memory allocation issue . What happens is that when the solver begins, it looks at your problem, estimates how much RAM is needed, and sets that amount aside. Sometimes it does not set aside enough. This is often the case when you have many GGI interfaces. changing the estimate factor should solve the problem. I recommend you that in CFX-pre ->Insert->Solver->Expert Parameter- >Convergence Control->Memory control. Try and set “Topology estimation factor zif” to 1.2 and above this should work.
  Thanks,
  Chaitanya Natraj
- June 14, 2023 at 5:16 pm
  
  neilb.mcfadyen
  Subscriber
  
  Tried 1.2 and 1.5 and got the same error