Dynamic response analysis of offshore wind turbine installation suspended by a floating crane

Dynamic response analysis of offshore wind turbine installation suspended by a floating crane
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浮吊海上风力发电机组动力响应分析

DOI:
10.1177/0954406216639074
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发表时间:
2017-07
期刊:
Journal of Mechanical Engineering Science
影响因子:
--
通讯作者:
Jia Xuecheng
Jia Xuecheng
中科院分区:
其他
文献类型:
--
作者:
Zhang Peng;Zhu Ming;Zhu Changming;Jia Xuecheng

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建立了海上风力涡轮机装置的动力学模型。该模型考虑了6自由度起重机、5自由度风力涡轮机和起升钢丝绳的弹性拉伸,将风力涡轮机和起重机耦合。并且当风力涡轮机降落在支撑结构上时,位移约束被应用于风力涡轮机。在此过程中,考虑了提升钢丝绳的松弛。此外,还考虑了非线性静水力、环境力、起升索力和系泊力作为外力。研究了涡轮机和浮式起重机的运动。通过数值分析发现,释放速度、释放高度和波浪条件对涡轮机的运动有很大的影响。
In this paper, a dynamic model for the offshore wind turbine installation is proposed. And this model is coupled by the wind turbine and the floating crane considering 6-DOF floating crane, 5-DOF wind turbine and elastic stretch of the hoisting cable. And when the wind turbine lands on the supporting structure, the displacement constraint is applied at the wind turbine. During the process, the relaxation of the hoisting cable is considered. In addition, the nonlinear hydrostatic force, environmental force, hoisting cable force and mooring force are considered as the external force. The motions of wind turbine and the floating crane are studied. From the numerical analysis, it is found that the release velocity, the release height and wave condition have a great effect on the motion of wind turbine.
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