Large Deformation Analysis of Submerged Ring Frames

by Howard B. Harrison, (M.ASCE), Assoc. Prof. in Civ. Engrg.; Univ. of Sydney, Sydney, Australia,

Serial Information: Journal of the Engineering Mechanics Division, 1979, Vol. 105, Issue 5, Pg. 829-837

Document Type: Journal Paper


Numerical studies are reported of the response to in-plane radial loading of a series of closed ring frames of constant perimeter. Accurate second-order elastic analyses were made using a discrete element technique that has confirmed the classical buckling pressures for round cylinders under hydraulic loading. Higher buckling modes are readily predicted as well but of more significance is the demonstration of the nature of the post-buckling behavior of perfect and imperfect ring frames under uniform and nonuniform hydraulic loading of the follower type.

Subject Headings: Hydraulic loads | Deformation (mechanics) | Submerging | Frames | Numerical analysis | Elastic analysis | Discrete element method | Radiation

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