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Lookup NU author(s): Dr Burak Cerik
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The objective of this paper is to investigate the response of fusion welded AA5083-H116 rectangular plates and orthogonally stiffened panels, typically found in high-speed vessels and topsides of offshore platforms, under impulsive pressure loading, such as air blast and explosions. Rigorous nonlinear finite element analyses are performed by using ABAQUS/Explicit to determine the deformation of these plated-structures under different impulses. Particular emphasis is given on the effect of the heat affected zone (HAZ), which is due to fusion welding. Based on the extensive numerical results, simple yet accurate formulae to predict the permanent set of the plates are derived as function of a non-dimensional impulse parameter. The derived equations are also compared with the existing analytical and empirical formulae in the literature.
Author(s): Cerik BC
Publication type: Article
Publication status: Published
Journal: Thin-Walled Stuctures
Year: 2017
Volume: 110
Pages: 123-132
Print publication date: 01/01/2017
Online publication date: 06/11/2016
Acceptance date: 24/10/2016
ISSN (print): 0263-8231
ISSN (electronic): 1879-3223
Publisher: Elsevier
URL: http://dx.doi.org/10.1016/j.tws.2016.10.021
DOI: 10.1016/j.tws.2016.10.021
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