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FDPSO立管涡激振动响应分析

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Indexed by:会议论文

Date of Publication:2009-11-01

Page Number:580-585

Key Words:立管涡激振动;参数共振;概念设计;力学模型;稳定响应

Abstract:根据FDPSO的概念设计原理,建立了张力立管的力学模型,主要分析了FDPSO垂荡运动对涡激振动的影响。考虑了流的作用及立管的自重影响。结果表明垂运动频率引发的参数共振和涡激谐振共同发生时,立管有最大振幅的稳定响应:面垂荡运动的振幅对立管的涡激振动影响不大。

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