期刊
SHIPS AND OFFSHORE STRUCTURES
卷 16, 期 6, 页码 567-585出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17445302.2020.1747762
关键词
Lashing bridge; scaled model test; rolling; container stack dynamics (CSD); gap effect
资金
- State Key Laboratory of Ocean Engineering [GKZD010075]
- Chinese Government Key Research Project KSHIP-II project (Knowledge-based Ship Design Hyper-Integrated Platform) [201335]
Progress has been made in design innovation for ultra-large container ships, focusing on the mechanical behavior of lashing bridges. Finite element analysis and experiments were used to study the static and dynamic characteristics, revealing the importance of the coupling effect between the lashing bridge and hull structure.
Huge progress has been made in the design innovation for ultra-large container ships, instead of in cargo securing systems. The mechanical behaviour characteristics of the lashing bridge were studied statically and dynamically. Firstly, the static and dynamic characteristics of the prototype structure were obtained via finite element analysis. Then, the coupling effect between the lashing bridge and hull structure was considered and analysed. Secondly, the scaled model of the lashing bridge, hull structure and container stack was constructed by Similarity Theory and finite element analysis. Lastly, several experiments (static and dynamic) and numerical simulations were conducted, and the experiment results were compared with the finite element analysis. It reveals that the numerical model built is a promising tool, and the coupling effect of the hull structure on the lashing bridge cannot be ignored. Moreover, the mechanical behaviour of the full-scale lashing bridge can be conveniently derived from the scaled model.
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