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RESEARCH PAPERS

A Simple Upper-Bound Method for Calculating Approximate Shakedown Loads

[+] Author and Article Information
R. Hamilton, J. T. Boyle, J. Shi, D. Mackenzie

Department of Mechanical Engineering, University of Strathclyde, James Weir Building, 75 Montrose Street, Glasgow G1 1XJ, Scotland

J. Pressure Vessel Technol 120(2), 195-199 (May 01, 1998) (5 pages) doi:10.1115/1.2842240 History: Received April 13, 1995; Revised November 04, 1997; Online February 11, 2008

Abstract

A simple approach for calculating upper-bound shakedown loads is described. The method is based on a series of iterative elastic finite element analyses (the elastic compensation procedure) applied to Koiter’s upper-bound shakedown theorem. The method is demonstrated for a typical pressure vessel application; an axisymmetric nozzle in a spherical shell. Several geometrical configurations are investigated. The calculated upper-bound shakedown loads are compared with lower-bound results obtained by the authors, simple shakedown criteria, and various results given in the literature.

Copyright © 1998 by The American Society of Mechanical Engineers
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