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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 9/10
Edited by: B.H.V. Topping
Paper XIV.1

Computer Generated Elasto-Plastic Design Data for Pressure Loaded Circular Plates

G.J. Turvey and M. Salehi

Department of Civil Engineering, University of Lancaster, England

Full Bibliographic Reference for this paper
G.J. Turvey, M. Salehi, "Computer Generated Elasto-Plastic Design Data for Pressure Loaded Circular Plates", in B.H.V. Topping, (Editor), "Proceedings of the Fourth International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 89-102, 1989. doi:10.4203/ccp.9.14.1
Two finite-difference computer programs for the non-axisymmetric elasto-plastic large deflection analysis of circular plates are described. One of the programs uses a constitutive model based on the Ilyushin full-section yield criterion, whereas the other uses the Von Mises layered yield criterion. The programs have been used to model the full-range response, including multi-stage unloading, of uniformly loaded circular plates with various boundary conditions for a range of slendernesses. From the computed results design charts of first yield over-pressure versus maximum and residual centre deflection have been compiled. A numerical example of the use of these charts in the design of an end closure to a cylindrical pressure vessel is presented. Finally, sample charts for "pre-dished" plates are presented as an illustration of the further potential of these programs for design data generation.

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