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Reliability Research on Vibration of Sea Bottom Pipeline Span Induced By Vortex
Author(s): 
Pages: 23-27
Year: Issue:  2
Journal: OCEAN TECHNOLOGY

Keyword:  管跨涡激振动倍频共振亚频共振;
Abstract: 管跨的涡激振动是引发管跨发生共振失效和疲劳失效的主要因素之一,也是对管跨进行可靠性设计、可靠性评估工作所要解决的主要问题.针对由涡激振动引发的海底管跨共振失效和疲劳失效两种主要失效形式,基于非线性动力学理论、随机过程理论和可靠性分析理论,建立了更为符合海底管线实际工况的共振失效和疲劳失效的可靠性分析方法.
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