ASTER Shell: a simple concept to significantly increase the plastic buckling strength of short cylinders subjected to combined external pressure and axial compression

Advanced Modeling and Simulation in Engineering Sciences

Table 4 Buckling under combined loading: characteristics of the cylinders and experimental buckling loads

Specimen	h (μm)	E (GPa)	\(P_{exp}\) (MPa)	\(P_{exp}\) (N)	\(P_E\) (MPa)	\(F_E\) (N)	Load ratio \(\frac{F P_{E}}{F_{E} P}\)
A1	150	163	0.021	0.000	0.0213	14,111	0
A7	142	150	0.015	2000	0.0173	11,718	4
A8	145	163	0.016	4500	0.0197	13,276	8
A9	138	159	0.0131	3900	0.0171	11,737	8
A10	148	155	0.012	6700	0.0197	13,150	16
A11	139	156	0.0075	6800	0.0171	11,681	26
A12	148	155	0.0078	7200	0.0197	13,150	26
A13	137	160	0.0045	7800	0.0169	11,643	50
A5	150	163	0.000	11,000	0.0214	14,193	\(\infty\)