Reply To: Precise volume average for Import Surface geometry

[Guilin Sun]

https://optics.ansys.com/hc/en-us/articles/360034928993-importsurface2-Script-command

https://optics.ansys.com/hc/en-us/articles/360034382614-Selecting-the-best-mesh-refinement-option-in-the-FDTD-simulation-object

I did not find such limitation from the websites. It seems you used very fine mesh, you may try to use relatively coarser mesh and see if there is any improvement.

I will contact you later.