Eigenmode solutions not producing modes correctly?

- April 2, 2023 at 2:24 am
  
  Annette Crider
  Subscriber
  
  I am using Ansys EDT Student 2022 R2. I am trying to use the Eigenmode solution to find TM and TE modes for electromagnetic bandgap structures (EBGs). I am trying to reproduce published results that cite HFSS as the simulation software. The issue is that I will be able to reproduce the first mode TM0 pretty accurately, but TE1 will not occur. I will get intermediate modes that never appear in published results.
  
  Is there a way to explicitly excite these modes in the eigenmode analysis
- April 10, 2023 at 12:57 pm
  
  Praneeth
  Ansys Employee
  
  Hi Annette,
  Thank you for reaching out and your patience is much appreciated.
  Please note that the Eigenmode solver is not a full solver and it will present all the possible modes based on the model geometry.
  If you want an exact analysis, then use HFSS Modal Network solution type.
  Best regards,
  Praneeth.

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