A numerical investigation into the plastic buckling of circular cylinders

Book chapter


Shamass, R, Alfano, G and Guarracino, F (2013). A numerical investigation into the plastic buckling of circular cylinders. in: Pietraszkiewicz, W and Gorski, J (ed.) Shell Structures: Theory and Application London CRC Press.
AuthorsShamass, R, Alfano, G and Guarracino, F
EditorsPietraszkiewicz, W and Gorski, J
Abstract

It has been long known that finding a thoroughly good agreement with experimental results for the buckling loads of circular cylinders in the plastic range constitutes a very difficult task, beyond the same as well challenging problem in the elastic range. This paper attempts to contribute to the understanding of this issue by discussing a few numerical examples in comparison with some classical experimental results reported by Blachut et al. (1996) and Batterman (1965). It is shown that finite-element analyses grounded on the hypo-elasticity-based extension of small-strain theory of plasticity to geometrically nonlinear problems lead to good agreement with experimental results, although in some cases the sensitivity to the amount and shape of imperfection plays an important role, a fact which leaves open issues in terms of fully predictive capability of the computational models.

Year2013
Book titleShell Structures: Theory and Application
PublisherCRC Press
Place of publicationLondon
ISBN9781138000827
Publication dates
Print18 Sep 2013
Publication process dates
Deposited17 Jan 2018
Accepted18 Sep 2013
JournalShell Structures: Theory and Applications - Proceedings of the 10th SSTA 2013 Conference
Journal citation3, pp. 441-444
Accepted author manuscript
License
CC BY 4.0
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https://openresearch.lsbu.ac.uk/item/878x1

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