I am not sure what kind of waveguide you are using and what the elements behind the WGD? I could not duplicate your result:
If there is another element and it has reflection, the result can oscillate.
Ansys Assistant will be unavailable on the Learning Forum starting January 30. An upgraded version is coming soon. We apologize for any inconvenience and appreciate your patience. Stay tuned for updates.
You are navigating away from the AIS Discovery experience