收稿日期: 2023-07-01
修回日期: 2023-07-18
录用日期: 2023-08-21
网络出版日期: 2023-11-10
基金资助
上海市科委社会发展领域重大项目(21DZ1201100)
Numerical Simulation of Coupled Dynamic Response of Integral Salvage of Large Tonnage Wreck
Received date: 2023-07-01
Revised date: 2023-07-18
Accepted date: 2023-08-21
Online published: 2023-11-10
朱小东, 周东荣, 高定全 . 大吨位沉船整体打捞耦合动力响应数值仿真[J]. 上海交通大学学报, 2023 , 57(S1) : 203 -212 . DOI: 10.16183/j.cnki.jsjtu.2023.S1.23
A wreck salvage scheme is designed for the integral salvage of “Yangtze River Estuary II” ancient ship, and the dynamic response of the critical state of salvage is investigated via numerical simulation. Comprehensive studies including the motion response characteristics of the multi-body coupling system and the tension of the cable under different sea conditions are conducted. The results show that the instability of the salvage system increases under the transverse sea condition, and the operation risk is obviously higher than other waves of the same wave level conditions. In addition, the tension responses of lifting cables and mooring cables are higher in the off-bottom stage than that of the submerged part of the wreck. The numerical results demonstrate the feasibility of the salvage scheme, providing reference for decision-making on sea conditions to avoid the risk of salvage operation.
Key words： wreck salvage; coupling system; numerical simulation; dynamic response
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