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 1

Test specimens.

Cylinder ID	Nominal diameter	Free height	Thickness	Total thickness at bonded area	Cutout diameter	Reinforcement	Shimming
R29	500 mm	460 mm	0.5 mm	0.85 mm	No cutout	No	Lower loading plate
R30				0.85 mm	No cutout	No	Lower loading plate
R31				0.75 mm	No cutout	No	No
R32				0.75 mm	No cutout	No	No
R33				0.75 mm	50 mm	No	No
R34				0.75 mm	No cutout	No	No
R35				0.75 mm	80 mm	No	No
R36				0.75 mm	30 mm	No	No
R37				0.75 mm	30 mm	20 mm wide ring	No
R38				0.75 mm	80 mm	20 mm wide ring	No
R39				0.75 mm	80 mm	10 mm wide ring	No
R40				0.75 mm	No cutout	No	No