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    Passive vibration control of pipe-in-pipe (PIP) Systems subjected to vortex induced vibration (VIV)

    258768.pdf (761.3Kb)
    Access Status
    Open access
    Authors
    Nikoo, H.
    Bi, Kaiming
    Hao, H.
    Date
    2017
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Nikoo, H. and Bi, K. and Hao, H. 2017. Passive vibration control of pipe-in-pipe (PIP) Systems subjected to vortex induced vibration (VIV), in Proceedings of the 27th International Ocean and Polar Engineering Conference, pp. 1271- 1276, Jun 25-30 2017. San Francisco, California, USA: ISOPE.
    Source Title
    Proceedings of the International Offshore and Polar Engineering Conference
    ISBN
    9781880653975
    School
    School of Civil and Mechanical Engineering (CME)
    URI
    http://hdl.handle.net/20.500.11937/61583
    Collection
    • Curtin Research Publications
    Abstract

    This paper proposes using modified pipe-in-pipe (PIP) system to mitigate vortex induced vibration (VIV). Numerical simulations are carried out to examine the effectiveness of the proposed method. Firstly, a semi-empirical oscillator model is developed and validated by an experimental test of a single pipe. The validated model is then extended to the modified PIP system, which is simplified as a structure-tuned mass damper (TMD) system in present study. The governing equation of vibration is solved in the time domain using MATLAB/Simulink programming. The results demonstrate that the carefully designed PIP system can significantly suppress VIV of offshore cylindrical structures up to 84%.

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