Reply To: Precise volume average for Import Surface geometry

[Guilin Sun]

Please use index monitor to check if the index is correct.

The first screnshot shows it has zeroth order only, whereas the 2nd shows very differently.

For sinusoidal shape, you can use "custom" to define it: https://optics.ansys.com/hc/en-us/articles/360034382214-Custom-structure-object-Simulation-Object