Study on the Axial Compression Postbuckling Similitude Model of the Stiffened Cylindrical Shell with Dimple Imperfections

Table 2

Comparison of nonlinear buckling ultimate loads of cylindrical shells with dimple imperfections under axial compression.

δ0 (m)	λ (m)	Literature [15] (kN)	NR method (kN)	Error (%)	AR method (kN)	Error (%)
0.5t	0.05	42.18	44.37	5.19	43.90	4.08
	0.06	42.29	43.41	2.65	44.04	4.14
	0.07	42.38	44.49	4.98	43.96	3.73