February 24, 2022 at 5:48 pm
Erik Kostson
Ansys Employee
Hi

First I would recommend to use a later release as there are many improvements that have been made since 2020 - later release is 2022 R1.

As for the shell, see the help manual for shell elements called, shell181 and shell281 element - and Table 181.2 - SMISC.

All the best

Erik