INVESTIGATION INTO THE JACK-UP BEHAVIOR DURING INITIAL AND SUBSEQUENT SHIP COLLISION AND IN THE DAMAGED CONDITION AFTER COLLISION

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DARAEI JAVAD; MOSTAFA GHARABAGHI A.R.

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Journal: JOURNAL OF MARINE ENGINEERING Year:2009 | Volume:5 | Issue:9 Page(s): 1-18

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Title

INVESTIGATION INTO THE JACK-UP BEHAVIOR DURING INITIAL AND SUBSEQUENT SHIP COLLISION AND IN THE DAMAGED CONDITION AFTER COLLISION

Author(s)

DARAEI JAVAD | MOSTAFA GHARABAGHI A.R. | Issue Writer Certificate

Keywords

JACK-UP PLATFORMSQ3

COLLISION SCENARIOSQ3

SHIP IMPACTQ3

ENERGY ABSORPTION MECHANISMQ3

DAMAGED PLATFORMQ3

Abstract

In this paper, the behavior of a typical jack-up platform under accidental loading of ship collision was investigated. The studied platform was modeled using ANSYS software and analyzed dynamically under SHIP IMPACT. The platform was also analyzed dynamically under secondary SHIP IMPACT. The initial collision results showed that the main ENERGY ABSORPTION MECHANISM in impact to jack-up platform is overall deformation of platform; it also shown that environmental preloading in some cases causes yielding or fracture of impacted member. The subsequent collision analysis showed that leg chords can resist to a subsequent impact and the platform in both first and second impacts has local damage such as indentation of the chord wall but the rest of the structure remains almost intact. Finally, the platform was modeled in damaged condition and analyzed dynamically under one-year environmental loads and the value of maximum stress and probability of platform failure was investigated. In addition, the value of stress and displacement in the intact and DAMAGED PLATFORM has been compared and the results are analyzed.

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APA: Copy

DARAEI, JAVAD, MOSTAFA GHARABAGHI, A.R.,. (2009). INVESTIGATION INTO THE JACK-UP BEHAVIOR DURING INITIAL AND SUBSEQUENT SHIP COLLISION AND IN THE DAMAGED CONDITION AFTER COLLISION. JOURNAL OF MARINE ENGINEERING, 5(9), 1-18. SID. https://sid.ir/paper/60894/en

Vancouver: Copy

DARAEI JAVAD, MOSTAFA GHARABAGHI A.R.. INVESTIGATION INTO THE JACK-UP BEHAVIOR DURING INITIAL AND SUBSEQUENT SHIP COLLISION AND IN THE DAMAGED CONDITION AFTER COLLISION. JOURNAL OF MARINE ENGINEERING[Internet]. 2009;5(9):1-18. Available from: https://sid.ir/paper/60894/en

IEEE: Copy

JAVAD DARAEI, A.R. MOSTAFA GHARABAGHI, an, “INVESTIGATION INTO THE JACK-UP BEHAVIOR DURING INITIAL AND SUBSEQUENT SHIP COLLISION AND IN THE DAMAGED CONDITION AFTER COLLISION,” JOURNAL OF MARINE ENGINEERING, vol. 5, no. 9, pp. 1–18, 2009, [Online]. Available: https://sid.ir/paper/60894/en

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