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A New Wake Oscillator Model for Predicting Vortex Induced Vibration of a Circular Cylinder

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Abstract

This article proposes a new wake oscillator model for vortex induced vibrations of an elastically supported rigid circular cylinder in a uniform current. The near wake dynamics related with the fluctuating nature of vortex shedding is modeled based on the classical van der Pol equation, combined with the equation for the oscillatory motion of the body. An appropriate approach is developed to estimate the empirical parameters in the wake oscillator model. The present predicted results are compared to the experimental data and previous wake oscillator model results. Good agreement with experimental results is found.

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Authors and Affiliations

  1. Key Laboratory of Port and Ocean Engineering, Tianjin University, Tianjin, 300072, China

    Wan-hai Xu & Jian-xing Yu

  2. Key Laboratory for Hydrodynamics and Ocean Engineering, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China

    Ying-xiang Wu, Xiao-hui Zeng & Xing-fu Zhong

Authors
  1. Wan-hai Xu
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  2. Ying-xiang Wu
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  3. Xiao-hui Zeng
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  4. Xing-fu Zhong
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  5. Jian-xing Yu
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Corresponding author

Correspondence to Wan-hai Xu.

Additional information

Project supported by the National High Technology Research and Development Program of China (863 Program, Grant No. 2006AA09Z350), the National Natural Science Foundation of China (Grant No.10702073) and the Knowledge Innovation Program of Chinese Academy of Sciences (Grant No. KJCX2-YW-L02).

Biography: XU Wan-hai (1981-), Male, Ph. D.

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Xu, Wh., Wu, Yx., Zeng, Xh. et al. A New Wake Oscillator Model for Predicting Vortex Induced Vibration of a Circular Cylinder. J Hydrodyn 22, 381–386 (2010). https://doi.org/10.1016/S1001-6058(09)60068-8

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  • DOI: https://doi.org/10.1016/S1001-6058(09)60068-8

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