Table 10.

Buckling load P (10⁶ N) against radius-to-thickness ratio R/h for SS–SS 3D-GrF microshell (n = 3, κ₀ = 0.2).

R/h	3D-GrF-I		3D-GrF-II		3D-GrF-U
	CT	MCST	CT	MCST	CT	MCST
30	63.509	109.735	61.314	107.690	62.528	108.682
40	42.734	62.244	41.860	61.433	42.296	61.775
50	32.374	42.365	31.961	41.984	32.133	42.109
60	26.157	31.940	25.942	31.744	26.007	31.780
70	21.996	25.638	21.879	25.532	21.893	25.529
80	19.006	21.446	18.941	21.389	18.930	21.366
90	16.747	18.461	16.713	18.432	16.689	18.400
100	14.978	16.227	14.962	16.215	14.931	16.178