Elasto-plastic response of uniformly loaded sector plates: full-section yield model predictions and spread of plasticity.

Turvey, G. J. and Salehi, M. (2001) Elasto-plastic response of uniformly loaded sector plates: full-section yield model predictions and spread of plasticity. Computers and Structures, 79 (26-28). pp. 2335-2348.

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Abstract

The governing equations for an elasto-plastic large deflection analysis of pressure loaded sector plates, based on the Ilyushin full-section yield criterion and the flow theory of plasticity, are presented. An outline of the solution of these equations using a finite difference implementation of the dynamic relaxation algorithm is given. Numerical results are presented for uniformly loaded slender and stocky sector plates with a 60° sector angle. In particular, first yield data are presented as well as the results of two parameter studies. The first study shows the effects of flexural and in-plane edge conditions on the deflections and stress resultants/couples at the centre of the sector plate and the second contrasts the spread of plasticity in slender sector plates with simply supported and clamped in-plane fixed edges.

Item Type:
Journal Article
Journal or Publication Title:
Computers and Structures
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/ta
Subjects:
ID Code:
20358
Deposited By:
Deposited On:
18 Dec 2008 11:23
Refereed?:
No
Published?:
Published
Last Modified:
24 Jan 2020 05:58