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剪切流中立管的涡激振动响应预报

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Indexed by:期刊论文

Date of Publication:2010-06-30

Journal:中国海洋平台

Included Journals:ISTIC

Volume:25

Issue:3

Page Number:21-25

ISSN No.:1001-4500

Key Words:深海立管;钢悬链式立管;涡激振动;升力;阻尼

Abstract:针对钢悬链式深海立管的特点,采用简化后的振动模型,结合圆柱体的受迫振荡实验数据,建立了深海立管在剪切流来流中的涡激振动响应分析模型.被激起的各阶模态的响应位移可通过平衡立管升力的输入能量和阻尼的耗散能量计算得到.计算结果与涡激振动专用分析软件计算结果进行了对比,吻合良好.

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