March 8, 2024 at 5:48 pm
Amrita Pati
Ansys Employee

Hi Rosmin,

We have an article on 'extend structure through PML': Always extend structures through PML boundary conditions. Please have a look and let me know if you have any questions.

Alternatively, how can we have PML boundary conditions/ other boundary conditions to study scattering for particles that are extending over a volume ? 

Do the particles extend through the geometry in a certain direction only? Are these particles setup as a periodic arrangement? If it is a non-periodic structure, we mostly use PML BCs. Would be able to share a screenshot of the geometry? Maybe I can provide more detailed information. 

Regards,
Amrita