Applicability of the Vibration Correlation Technique for Estimation of the Buckling Load in Axial Compression of Cylindrical Isotropic Shells with and without Circular Cutouts

Table 2

Experimental buckling loads and mode shapes of intact shells.

Cylinder	Experimental buckling load [kN]	Experimental buckling mode
R29	36.3
R30	38.3
R31	51.98
R32	51.96
R34	51.57
R40	52.52