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Load shortening characteristics of marine grade aluminium alloy plates in longitudinal compression

Load shortening characteristics of marine grade aluminium alloy plates in longitudinal compression
Load shortening characteristics of marine grade aluminium alloy plates in longitudinal compression
This study presents detailed and rigorous numerical analysis for a parametric series of unstiffened aluminium plates typical of those used in lightweight ships and equivalent thin walled stiffened structures. The study is undertaken with a nonlinear finite element analysis procedure using ABAQUS. The strength behaviour of the plates under a progressively increasing longitudinal in-plane load are shown to be affected by a number of parameters including the alloy, geometric imperfection shape, heat affected zone distribution, level of heat softening and residual stress distribution. The comparative influences of these various factors, some of which are specific to welded aluminium structure, are explored to determine which must be accounted for in the development of a parametric series of design curves
0263-8231
19-32
Benson, Simon
4ccd43fd-ddf8-4e7b-826f-16dc123a7b57
Downes, Jonathan
ebc0f09b-9d33-4815-bedf-bc77df59c822
Dow, Robert S.
3f6aaba8-876a-4a26-b2c2-58e96624d990
Benson, Simon
4ccd43fd-ddf8-4e7b-826f-16dc123a7b57
Downes, Jonathan
ebc0f09b-9d33-4815-bedf-bc77df59c822
Dow, Robert S.
3f6aaba8-876a-4a26-b2c2-58e96624d990

Benson, Simon, Downes, Jonathan and Dow, Robert S. (2013) Load shortening characteristics of marine grade aluminium alloy plates in longitudinal compression. Thin-Walled Structures, 70, 19-32. (doi:10.1016/j.tws.2013.04.006).

Record type: Article

Abstract

This study presents detailed and rigorous numerical analysis for a parametric series of unstiffened aluminium plates typical of those used in lightweight ships and equivalent thin walled stiffened structures. The study is undertaken with a nonlinear finite element analysis procedure using ABAQUS. The strength behaviour of the plates under a progressively increasing longitudinal in-plane load are shown to be affected by a number of parameters including the alloy, geometric imperfection shape, heat affected zone distribution, level of heat softening and residual stress distribution. The comparative influences of these various factors, some of which are specific to welded aluminium structure, are explored to determine which must be accounted for in the development of a parametric series of design curves

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More information

Published date: September 2013
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 363770
URI: http://eprints.soton.ac.uk/id/eprint/363770
ISSN: 0263-8231
PURE UUID: 9dc22b04-10ac-43da-8335-aad0558d04d1
ORCID for Jonathan Downes: ORCID iD orcid.org/0000-0003-2027-4474

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Date deposited: 03 Apr 2014 10:13
Last modified: 09 Jan 2022 03:46

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Contributors

Author: Simon Benson
Author: Jonathan Downes ORCID iD
Author: Robert S. Dow

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