From: Best theory diagrams for multilayered structures via shell finite elements
Model
\({\varvec{R/a}} = 5\)
\({\varvec{R/a}} = 2\)
3D [41]
ā
0.7325
1.549
0.6087
1.482
LD4 [40]
0.1036
1.5494
0.0208
1.4824
ED4
0.6975
1.4562
0.5868
1.4046
a/h
100
10
5