顾洪禄,郭海燕,刘震

• 1:中国海洋大学工程学院

摘要(Abstract)：

基于柔性杆理论和尾流振子模型计算陡波形立管的涡激振动响应;综合使用S-N曲线法、雨流计数法、Palmgren-Miner线性累积疲劳理论对立管涡激振动导致的疲劳损伤进行计算分析。并以MATLAB为平台编写相应计算程序,将本文计算得到的静力分析结果、固有频率和疲劳损伤分别与专业海工计算软件OrcaFlex和已发表文献进行对比验证。进一步对陡波形立管在涡激振动下的疲劳损伤进行参数敏感性分析,结果表明:浮子段长度、浮力因子、弹性模量、海流速度、波浪高度对陡波形立管疲劳损伤均有较大影响,有望为陡波形立管的实际工程设计提供参考。

关键词(KeyWords)： 柔性杆理论;尾流振子模型;陡波形立管;涡激振动;疲劳损伤;敏感性分析

Abstract:

Keywords:

基金项目(Foundation): 山东省重点研究发展计划项目(2018GHY115045)资助~~

作者(Author): 顾洪禄,郭海燕,刘震

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