Ansys Learning Forum › Forums › Discuss Simulation › Photonics › DGTD band structure calculation › Reply To: DGTD band structure calculation
October 18, 2024 at 3:58 pm
Guilin Sun
Ansys Employee
Unfortunately band structure simulation requires to use Bloch boundary conditions, and DGTD has not implemented yet:
https://optics.ansys.com/hc/en-us/articles/360034918593-Boundary-conditions-in-DGTD-Simulation-Object
https://optics.ansys.com/hc/en-us/articles/360034382714-Bloch-boundary-conditions-in-FDTD-and-MODE
https://optics.ansys.com/hc/en-us/articles/360034382734-Periodic-boundary-conditions-in-FDTD-and-MODE
So even though you set angles it will be like normal incidence.
Please file a feature request for this:Â
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