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首页> 外文会议>International Conference on Mechanical Engineering and Mechanics vol.1; 20051026-28; Nanjing(CN) >Motion Response of System with a Changing Platform and Moving Loads in Ocean Wave
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Motion Response of System with a Changing Platform and Moving Loads in Ocean Wave

机译：平台变化和海浪移动载荷作用下系统的运动响应

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摘要

This paper establishes the analysis theory in time domain and numerical method about the motion response of the multi-body system with a floating base in ocean wave, and develops corresponding computation program by applying both potential flow theory on the interaction between a body and flow-field in time domain and multi-body dynamics method. By means of the kinematic rules of the generic mechanics and the mechanical judge methods of the traffic accident at present, the calculation method of the motion response of the upside moving load units on the floating base is analysed. A ship-model experiment of the multi-body system with a floating base in towing tank is contrasted with the result of the numerical simulation analysis, and the motion response of the multi-body system with a floating base, which caused by common effect of ocean wave and moving load units on the floating base, is investigated. Some conclusions have been drawn that the upside heavy load units perhaps swag (list or turn over), slip or slip after having turned over on the floating base following the floating base swaying or swinging continually, and the motion of the several free slipping heavy load units may trend to be synchronous, and so on. These regularities about the motion response of the multi-body system with a floating base in ocean wave are summed up, and they can be applied to engineering.
机译：本文建立了海浪浮基多体系统运动响应的时域分析理论和数值方法，并通过将潜流理论应用于体与流之间的相互作用，开发了相应的计算程序。时域和多体动力学方法。结合目前交通事故的一般力学运动学规律和力学判断方法，分析了浮基上移动荷载单元运动响应的计算方法。将数值模拟分析的结果与拖曳罐中具有浮动基座的多体系统的船模实验进行了对比，并比较了由浮动基座的多体系统引起的运动响应。研究了浮基上的海浪和移动荷载单位。得出的一些结论是，在浮动基座不断摆动或摆动之后，在浮动基座上翻转之后，上部重载单元可能会摇摆（滑行或翻倒），滑移或滑移，并且若干自由滑动重载的运动单位可能趋向于同步，依此类推。总结了海浪中浮基多体系统的运动响应规律，可将其应用于工程中。

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