Ansys Learning Forum › Forums › Discuss Simulation › Photonics › lumopt: unable to calculate the gradient › Reply To: lumopt: unable to calculate the gradient
November 7, 2024 at 7:32 pm
Guilin Sun
Ansys Employee
It can be due to different reasons. Maybe the index contrast is too high to get correct gradient. Please try 2D FDTD or varFDTD first.
and you can also modify the online example to use your material system and see if it works.