An Analytical Insight into the Buckling Paradox for Circular Cylindrical Shells under Axial and Lateral Loading

Table 3

Numerical versus analytical results.

Sp.	Numerical results (ABAQUS): deformation theory		Numerical results (ABAQUS): flow theory		Analytical results: deformation theory		Analytical results: flow theory
	Number of waves	Buckling pressure (MPa)	Number of waves	Buckling pressure (MPa)	Number of waves	Buckling pressure (MPa)	Number of waves	Buckling pressure (MPa)
S1	4	5.53	4	5.64	4	5.29	2	16.24
S2	6	13.14	6	13.15	4	13.24	4	13.28
S5	4	8.73	4	8.83	4	8.56	2	11.02
M2	3	7.84	3	7.87	4	7.75	4	7.91
SP.1-Set B	4	5.09	4	5.15	5	5.32	5	5.44
SP.6-Set B	4	2.91	4	3.22	4	2.75	3	5.36
SP.3-Set A	5	5.25	5	5.28	4	6.00	4	6.27