期刊
THIN-WALLED STRUCTURES
卷 96, 期 -, 页码 95-104出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2015.08.006
关键词
Nonlinear finite element analysis; Ultimate strength; Pitting corrosion; Steel plate; Stiffened panel
资金
- University of Southampton
- Lloyd's Register Foundation University Technology Centre (LRF UTC)
- MASTER it! Scholarship Scheme
- European Union - European Social Fund
This study concentrates on a comparison between steel plate and stiffened panels subject to localised corrosion. A finite element analysis is used to investigate the effect of random corrosion on the compressive strength capacity of marine structural units. Variables include the extent of corrosion; slenderness ratio and aspect ratio. A corrosion prediction model is incorporated to determine the thickness reduction with time. Corrosion-induced volume loss results in a greater reduction of ultimate strength for slender plates compared to stiffened panels, up to 45%, showing the structural element selection can strongly influence the accuracy of the estimated corrosion damage effect. (c) 2015 Elsevier Ltd. All rights reserved.
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