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有限流体域内不同位置处的柔性管涡致振动机理研究

岳欠杯 董日志 刘巨保

岳欠杯, 董日志, 刘巨保. 有限流体域内不同位置处的柔性管涡致振动机理研究[J]. 应用数学和力学, 2016, 37(3): 277-289. doi: 10.3879/j.issn.1000-0887.2016.03.006
引用本文: 岳欠杯, 董日志, 刘巨保. 有限流体域内不同位置处的柔性管涡致振动机理研究[J]. 应用数学和力学, 2016, 37(3): 277-289. doi: 10.3879/j.issn.1000-0887.2016.03.006
YUE Qian-bei, DONG Ri-zhi, LIU Ju-bao. Research on vortex-induced vibration of flexible pipes at different locations in a limited fluid domain[J]. Applied Mathematics and Mechanics, 2016, 37(3): 277-289. doi: 10.3879/j.issn.1000-0887.2016.03.006
Citation: YUE Qian-bei, DONG Ri-zhi, LIU Ju-bao. Research on vortex-induced vibration of flexible pipes at different locations in a limited fluid domain[J]. Applied Mathematics and Mechanics, 2016, 37(3): 277-289. doi: 10.3879/j.issn.1000-0887.2016.03.006

有限流体域内不同位置处的柔性管涡致振动机理研究

doi: 10.3879/j.issn.1000-0887.2016.03.006
基金项目: 国家自然科学基金(11272085)
详细信息
    作者简介:

    岳欠杯(1983—),女,讲师,博士(E-mail: zlgbb529@126.com);刘巨保(1963—),男,教授,博士(通讯作者. E-mail: jslx2000@163.com).

  • 中图分类号: TG335.58; O39

Research on vortex-induced vibration of flexible pipes at different locations in a limited fluid domain

Funds: The National Natural Science Foundation of China(11272085)
  • 摘要: 针对有限流体域内柔性管的涡致振动问题,将柔性管离散为若干空间梁单元,流体域采用实体单元离散,建立了有限流体域内柔性管系统的流固耦合模型及数值计算方法,设计并加工圆柱流体域内柔性管振动专用实验装置,采用GWT2B双轴加速度传感器对柔性管的振动进行监测,并与数值模拟结果进行对比,吻合程度较好.基于该文的模型和方法,对圆柱流体域内不同位置处柔性管的涡致振动机理进行研究.结果表明,柔性管偏离入口流速位置的角度越大,越容易发生流体弹性不稳定性,柔性管的振动愈剧烈;而正对入口流速的位置,不易发生流体弹性不稳定性,柔性管振动减弱.
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出版历程
  • 收稿日期:  2015-07-30
  • 修回日期:  2015-08-12
  • 刊出日期:  2016-03-15

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