Integration Point of SHELL element

TiepT_21960

Hi, 

I am using Optistruct to simulate a implicit nonlinear analysis. I want to use the Simpson's Rule for Integration points through thickness of shell element, so how can i choose Simpson's Rule? 

Thanks, 

Tiep.

Robinson Ferrari_20451

Hi Tiep,

OptiStruct currently only supports Gauss' Rule for integration points through the thickness of shell elements (6 points).

Number of through thickness Gauss points.

If MID2=blank and/or ****=1, the membrane formulation is used. 23

Default = 3 (1 ≤ Integer ≤ 10)

https://help-staging.altair.mediag.com/2022/hwsolvers/os/topics/solvers/os/pshell_bulk_r.htm?zoom_highlight=pshell#pshell_bulk_r__pshell_bulk_r_li_ppk_5y3_s4b

Thank you