上海交通大学学报

上海交通大学学报 ›› 2016, Vol. 50 ›› Issue (03): 456-459.

• 天文学、地球科学 • 上一篇    下一篇

一种新型水下升降装置着底碰撞动力响应分析

胡永利1，尹汉军2，王盛炜1，姚宝恒1，连琏1   

  1. (1. 上海交通大学 海洋研究院， 海洋工程国家重点实验室， 海洋科学与技术青岛协同 创新中心， 上海 200240； 2. 海洋石油工程股份有限公司， 天津 300000)
  • 收稿日期:2015-01-26 出版日期:2016-03-28 发布日期:2016-03-28
  • 基金资助:
    国家科技重大专项“深水水下应急维修装备与技术”(2011ZX05027005)资助

Dynamic Response Analysis for Landing Collision of a New Underwater Lifting Device

HU Yongli1,YIN Hanjun2,WANG Shengwei1,YAO Baoheng1,LIAN Lian1   

  1. (1. Institute of Oceanology， State Key Laboratory of Ocean Engineering， Cooperation and Innovation Center for Marine Science and Technology of Qingdao， Shanghai Jiaotong University， Shanghai 200240, China； 2. Offshore Oil Engineering Co. Ltd., Tianjin 300000, China)
  • Received:2015-01-26 Online:2016-03-28 Published:2016-03-28

摘要： 摘要： 建立了碰撞结构动力方程，通过能量守恒理论得到了碰撞力，采用中心差分方法对动力方程进行了数值求解，并对一种配套某重载作业型无人遥控潜水器（Remote Operated Vehicle,ROV）的新型水下升降装置进行了着底碰撞结构动力响应数值仿真，考察了碰撞过程中升降装置整体速度、有效应力、弹塑性变形的变化及二次碰撞现象，对5种常见着底工况的仿真结果对比，分析着底速度对碰撞结构动力响应的影响，为水下升降装置的结构设计和配载选择提供理论依据.

关键词: 水下升降装置, 数值仿真, 二次碰撞, 结构动力响应

Abstract: Abstract： The dynamic equation for collision was established and solved by using the central difference method. Structural dynamic responses for landing collision of a new underwater lifting device supporting an operationtype ROV (Remote Operated Vehicle) were studied by using numerical simulation. The whole velocity, effective stress, elastic strain, plastic strain and the second collision in the collision course were analyzed. By comparing the simulation result of five common landing conditions, the influence of landing velocity on structural dynamic response was analyzed, providing a theoretical basis for structure design and load selection of underwater lifting device.

Key words: Key words： underwater lifting device, numerical simulation, second collision, structural dynamic response

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