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Innovation Space

FREE STUDENT SOFTWARE

Solver Out of Memory Error in HFSS

- October 28, 2022 at 6:09 am
  
  Jana AlNatour
  Subscriber
  
  Hello, I'm designing an antenna using HFSS, when i start analysing the set up(Parametric Analysis) , a 'Solver out of Memory,Verify your Ram limit' error appears , although my PC has 20 GB RAM limit ,has an enough availabe storage too and has 4 cores.
  I checked the HPC Options and the RAM limit is set to 90% and the cores up to 10 cores, but the solution data shows that the RAM limit is only 9% and it is only 1 core as shown in the figures below, so how can i solve this problem,since I've tried changing the frequency ranges but still the same error appears.
- October 28, 2022 at 6:10 am
  
  Jana AlNatour
  Subscriber
  - October 28, 2022 at 6:11 am
    
    Jana AlNatour
    Subscriber
    - October 28, 2022 at 6:12 am
      
      Jana AlNatour
      Subscriber
- November 1, 2022 at 1:59 pm
  
  tony.daughtry
  Subscriber
  
  For your Free Space Radiation boundary, are you using PML ?
- November 2, 2022 at 12:26 pm
  
  Praneeth
  Ansys Employee
  
  Hi Jana, Please note that the number of cores should match the available cores on your system. Also try reducing the distributed variations to 4 as you have only 4 cores available. Best regards, Praneeth.

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