Reply To: Non-Intersected faces found for matching interface periodic-walls

[Rob]

2d-axi is equivalent to 2PI radians so won't need scaling   https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v242/en/flu_ug/flu_ug_sec_report_conventions.html  

Modelling a 1/4 of the domain may well do! Periodic is to help the solver work out how to handle what leaves one rotational boundary and what arrives at the other side.