On the crashworthiness of steel-plated structures in an arctic environment: An experimental and numerical study

Park, D.K. and Kim, D.K. and Park, C.-H. and Park, D.H. and Jang, B.S. and Kim, B.J. and Paik, J.K. (2015) On the crashworthiness of steel-plated structures in an arctic environment: An experimental and numerical study. Journal of Offshore Mechanics and Arctic Engineering, 137 (5).

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Abstract

Structural crashworthiness with regard to crushing and fracture is a key element in the strength performance assessment of ship collisions in the Arctic. The aim of this study is to investigate the crashworthiness characteristics of steel-plated structures subject to low temperatures that are equivalent to the Arctic environment. The effect of low temperatures on the material properties is examined on the basis of tensile tests. Crushing tests are undertaken on steel-square tubes subject to a quasi-static crushing load at both room and low temperatures. The crushing behavior of the square tubes in this test is compared with LS-DYNA computations. It is found that low temperatures have a significant effect on not only the material properties but also the crashworthiness of steel-plated structures in terms of mean crushing loads and brittle fracture. It is suggested that the collisionaccidental limit state design of ships intended to operate in the Arctic region should be carried out by taking the effect of low temperatures into account. © 2015 by ASME.

Item Type: Article
Impact Factor: cited By 8
Uncontrolled Keywords: Brittle fracture; Crushing; Fracture; Ships; Structural design; Tensile testing, Arctic environments; Experimental and numerical studies; Limit state designs; Mean crushing load; Quasi-static crushing; Steel-plated structure; Strength performance; Structural crashworthiness, Crashworthiness, arctic environment; crushing; fracture; low temperature; numerical model; offshore engineering; performance assessment; ship design; steel; tensile strength
Depositing User: Ms Sharifah Fahimah Saiyed Yeop
Date Deposited: 30 Aug 2021 08:51
Last Modified: 30 Aug 2021 08:51
URI: http://scholars.utp.edu.my/id/eprint/26084

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