吴锋   

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Paper Publications

Title of Paper:海洋立管涡激损伤分析的虚拟激励法概述

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Date of Publication:2017-01-19

Journal:应用数学和力学

Included Journals:CSCD

Volume:38

Issue:1

Page Number:60-66

ISSN No.:1000-0887

Key Words:海洋立管;涡激振动;疲劳损伤;随机振动;虚拟激励法

Abstract:立管是连接海底钻井和海上平台的重要系统.涡激振动是造成立管疲劳损伤的主要因素.受海流的随机作用,立管涡激振动表现出不确定性,对这种随机振动进行快速有效地分析,对于立管的工程设计具有非常重要的意义.考虑随机激励作用,要比确定性激励困难得多,虚拟激励法对于克服这种困难具有很好的效果.近年来,应用虚拟激励法分析立管的涡激损伤问题,取得一些成果,该文对此作一概略的叙述.

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