Firstly, the fatigue strength of container ship hatch coaming structural detail is studied by Spectral Fatigue Analysis in this paper, and influencing factors are investigated. Secondly, corrosion effects with uncertainty are introduced, and thus the probabilistic characteristics under simultaneous uniform corrosions (however, with different scales) throughout the cargo tank structure are obtained, and surrogate models are built to replace the Finite Element Analyses that are time consuming. Additionally, corrosion models are modified so as to deal with the gradual corrosion problem while maintain probabilistic features. Finally, the fatigue strength’s probabilistic characteristics as a function of time is investigated numerically, and regression form models are derived.
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ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering
June 19–24, 2016
Busan, South Korea
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4994-1
PROCEEDINGS PAPER
Spectral Fatigue Analysis Considering Probabilistic Corrosion Effects: A Case Study of a Container Ship’s Hatch Coaming Detail
Jinju Cui,
Jinju Cui
Shanghai Jiao Tong University, Shanghai, China
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Deyu Wang,
Deyu Wang
Shanghai Jiao Tong University, Shanghai, China
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Ning Ma
Ning Ma
Shanghai Jiao Tong University, Shanghai, China
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Jinju Cui
Shanghai Jiao Tong University, Shanghai, China
Deyu Wang
Shanghai Jiao Tong University, Shanghai, China
Ning Ma
Shanghai Jiao Tong University, Shanghai, China
Paper No:
OMAE2016-54447, V003T02A025; 11 pages
Published Online:
October 18, 2016
Citation
Cui, J, Wang, D, & Ma, N. "Spectral Fatigue Analysis Considering Probabilistic Corrosion Effects: A Case Study of a Container Ship’s Hatch Coaming Detail." Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. Volume 3: Structures, Safety and Reliability. Busan, South Korea. June 19–24, 2016. V003T02A025. ASME. https://doi.org/10.1115/OMAE2016-54447
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