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A mini review of recent progress on vortex-induced vibrations of marine risers

机译：近期对海洋立管涡旋振动研究的最新进展的简要回顾

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摘要

Marine risers are subject to vortex-induced vibration (VIV) caused by a combination of various external and internal excitations. The external excitations include the current-induced hydrodynamic forces and the wave-induced motions of the floating platform, while the internal excitation refers to the effect of internal flow. With significant increase of the riser aspect ratio, the VIV becomes much more complicated, resulting in more frequent fatigue damages to the risers. Hence, VIV is an important research area in marine engineering. This review surveys the latest progress on the VIV research, including the multi-mode response, VIV response at high Reynolds numbers, flow-induced vibrations between multiple marine risers, VIV of inclined risers and intermittent VIV in oscillatory flow. Particularly, the impacts of the floating platform and internal flow that have not been widely considered in previous studies are discussed to comprehensively understand the VIV of marine risers. Moreover, typical experimental and numerical investigations on the VIV of marine risers are also introduced.
机译：船用立管受到各种外部和内部激励的组合所引起的涡激振动（VIV）。外部激励包括电流引起的流体动力和浮动平台的波浪引起的运动，而内部激励是指内部流动的影响。随着立管纵横比的显着增加，VIV变得更加复杂，从而导致对立管的疲劳损坏更加频繁。因此，VIV是海洋工程的重要研究领域。这篇综述调查了VIV研究的最新进展，包括多模式响应，高雷诺数下的VIV响应，多个海洋立管之间的流致振动，倾斜立管的VIV和振荡流中的间歇VIV。特别是，讨论了在以前的研究中未广泛考虑的浮动平台和内部流动的影响，以全面了解海洋立管的VIV。此外，还介绍了船用立管VIV的典型实验和数值研究。

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  • 来源
    《Ocean Engineering》 |2020年第1期|106704.1-106704.17|共17页
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  • 作者单位

    Ocean Univ China Dept Mech & Elect Engn Qingdao 266100 Peoples R China;

    Ocean Univ China Dept Mech & Elect Engn Qingdao 266100 Peoples R China|Univ Wollongong Sch Mech Mat Mechatron & Biomed Engn Wollongong NSW 2522 Australia;

    Univ Wollongong Sch Mech Mat Mechatron & Biomed Engn Wollongong NSW 2522 Australia;

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  • 正文语种 eng
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  • 关键词

    Marine risers; Vortex-induced vibration; Multi-mode response; Floating platform; Internal flow;

    机译：海洋立管;涡流引起的振动;多模式响应;浮动平台;内部流量;

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