Model for Compression of Elastic-Plastic Cylinders

by R. M. Korol,
Archibald N. Sherbourne,

Serial Information: Journal of the Structural Division, 1967, Vol. 93, Issue 5, Pg. 1-28

Document Type: Journal Paper


The post-buckling behavior of a circular thin-walled cylinder under axial load is analyzed with the aid of a geometric model which takes into account the undistorted ends. The analysis, which uses a variation of the total energy to define the equilibrium paths, is applicable to cylinders with slenderness ratios (R/t) greater than 100. Elastic and elastic-plastic ridge bending stresses assumed to be uncoupled from the membrane stress state are taken into account. Finally, sensitivity of buckling loads to imperfections with a proposed correlation with post-buckling modes is indicated.

Subject Headings: Axial loads | Compression | Post buckling | Cylinders | Elastic analysis | Geometrics | Equilibrium | Cross sections

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