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  3. Why is the plane wave in HFSS not a palne wave？

Why is the plane wave in HFSS not a palne wave？

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    • October 26, 2021 at 6:02 am
      unight
      Subscriber

      Hi，This may sound strange，when I use CST to simulate plane waves, I can get the results shown in the figure below. It is indeed a plane wave.

      1.PNG
    • October 26, 2021 at 5:55 pm
      Praneeth
      Forum Moderator

      Please check which type of fields are selected under incident waves in the edit sources dialogue box of your model.
      If you check incident fields then you can see the plane wave fields.
      All the very best.
    • October 27, 2021 at 9:09 am
      unight
      Subscriber
      Thank you for your answer now I can get the incident wave. But there is another problem. My boundary condition is the radiation boundary. Shouldn't the incident field and the total field be the same?

    • October 27, 2021 at 10:08 am
      Praneeth
      Forum Moderator

      Yes, you are right.
      They will be similar except for minor scattering fields.
      My guess is for a perfect setup they may be same.
      Best regards.
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