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RESEARCH PAPERS

Nonsymmetric Buckling of Plate-End Pressure Vessels

[+] Author and Article Information
J. G. Teng

School of Civil and Mining Engineering, University of Sydney, NSW Australia

J. M. Rotter

Department of Civil Engineering and Building Science, University of Edinburgh, The King’s Buildings, Edinburgh, Scotland, U.K.

J. Pressure Vessel Technol 111(3), 304-311 (Aug 01, 1989) (8 pages) doi:10.1115/1.3265679 History: Received December 16, 1988; Online November 05, 2009

Abstract

Small cylindrical pressure vessels are often constructed with a circular flat plate end closure. The end-plate undergoes large deformations under working loads. High local stresses develop at the junction between the cylinder and end-plate, causing yield under proof loading. The compressive circumferential stresses at the junction may lead to bifurcation into a nonsymmetric deformation mode. This study explores the geometrically nonlinear elastic-plastic behavior of plate-end pressure vessels. The form of the axisymmetric prebuckling path is investigated, showing the strongly stiffening nature of the response. Bifurcation of the closure into a nonsymmetric mode is then studied.

Copyright © 1989 by ASME
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