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Ansys Learning Forum › Forums › Discuss Simulation › Photonics › Reflection is more than 1 with BFAST source for off-normal incident › Reply To: Reflection is more than 1 with BFAST source for off-normal incident

February 23, 2023 at 6:41 pm
Guilin Sun
Ansys Employee

For BFAST, larger incident angles requires smaller time steps, it is natural for long simulation time.BAST does not fit all simulations. Make sure you modify and check what I have suggested.