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Wake Oscillator Model Proposed for the Stream-Wise Vortex-Induced Vibration of a Circular Cylinder in the Second Excitation Region 被引量:4

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摘要 A wake oscillator model is presented for the stream-wise vortex-induced vibration of a circular cylinder in the second excitation region.The near wake dynamics related to the fluctuating nature of alternate vortex shedding is modeled based on the classical van der Pol equation.An appropriate approach used in cross-flow VIV is developed to estimate the model empirical parameters.The comparison between our calculations and experiments is carried out to validate the proposed model.It is found that the present model results agree fairly well with the experimental data.
作者 XU Wan-Hai DU Jie YU Jian-Xing LI Jing-Cheng 徐万海;杜杰;余建星;李敬成(Key Laboratory of Port and Ocean Engineering,Tianjin University,Tianjin 300072)
出处 《Chinese Physics Letters》 SCIE CAS CSCD 2011年第12期175-178,共4页 中国物理快报(英文版)
基金 Supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China(SRFDP)(20100032120047) the Independent Innovation Fund of Tianjin University(2010XJ-0098) the National Natural Science Foundation of China(10902112).
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