Ansys Learning Forum › Forums › Discuss Simulation › Photonics › Different Farfield Results 2D vs 3D Simulation › Reply To: Different Farfield Results 2D vs 3D Simulation
October 31, 2024 at 7:39 pm
Guilin Sun
Ansys Employee
Without details of your structure, I can just give you some general feedbacks.
2D means the 3rd dimension is infinitely long, without and variation. Does your 3D simulation enforce this behaviour? if not, it is normal you get different results.