安万博,郭海燕,刘震

• 1:中国海洋大学工程学院

摘要(Abstract)：

基于内波流场的eKdv理论并结合尾流振子模型和挠性立管的非线性振动方程建立内波流场中悬链线立管计算模型,研究了内波流场中悬链线立管升力方向运动的响应问题,并分析了内孤立波波高和密度跃层位置对悬链线立管升力方向响应的影响。结果表明:内孤立波经过悬链线立管时会引起突然增大的涡激振动,其中高阶模态占主导;涡激振动最大位移发生于流体密度跃层位置附近;内孤立波波高增大以及密度跃层位置加深会使立管转变为更高阶模态振动,并且密度跃层位置加深会使立管涡激振动位移明显减小。

关键词(KeyWords)： 内孤立波;尾流振子;悬链线立管;涡激振动;波高;密度跃层

Abstract:

Keywords:

基金项目(Foundation): 山东省重点研究发展计划项目(2018GHY115045);; 中央高校基本科研业务费专项(201861036);; 国家自然科学基金项目(51279187)资助~~

作者(Author): 安万博,郭海燕,刘震

DOI: 10.16441/j.cnki.hdxb.20190289

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