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Evaluating shakedown under proportional loading by non-linear static analysis

Mackenzie, D. and Hamilton, R. and Muscat, Martin (2003) Evaluating shakedown under proportional loading by non-linear static analysis. Computers and Structures, 81 (17). pp. 1727-1737. ISSN 0045-7949

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Abstract

A lower bound method for calculating shakedown loads under proportional loading by static non-linear finite element analysis is presented. Stress fields obtained by static analysis and stress superposition are substituted into Melan's lower bound shakedown theorem. The proposed method is applied to two sample problems: a thick cylinder under internal pressure and a square plate with a central hole under proportional biaxial loading. The results indicate that the method gives accurate lower bound shakedown loads for these problems.

Item type: Article
ID code: 5002
Keywords: plasticity, cyclic loading, incremental plastic collapse, shakedown, ratchetting, plastics, mechanical engineering, Mechanical engineering and machinery, Modelling and Simulation, Civil and Structural Engineering, Materials Science(all), Mechanical Engineering, Computer Science Applications
Subjects: Technology > Mechanical engineering and machinery
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 19 Dec 2007
    Last modified: 02 Jun 2014 13:53
    URI: http://strathprints.strath.ac.uk/id/eprint/5002

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