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Volume 26 Issue 3
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2018  >  26(3): 207-213
YANG Zhuang-tao, ZHANG Tao, DUAN Hao, ZHU Min. Simulation and Analysis of Cylindrical Buoy Motion Based on Numerical Wave Flume[J]. Journal of Unmanned Undersea Systems, 2018, 26(3): 207-213. doi: 10.11993/j.issn.2096-3920.2018.03.004
Citation: YANG Zhuang-tao, ZHANG Tao, DUAN Hao, ZHU Min. Simulation and Analysis of Cylindrical Buoy Motion Based on Numerical Wave Flume[J]. Journal of Unmanned Undersea Systems, 2018, 26(3): 207-213. doi: 10.11993/j.issn.2096-3920.2018.03.004
shu

Simulation and Analysis of Cylindrical Buoy Motion Based on Numerical Wave Flume

doi: 10.11993/j.issn.2096-3920.2018.03.004

  • Kunming Branch of the 705 Research Institute, China Shipbuilding Industry Corporation, Kunming 650106, China

  • Received Date: 2017-10-18
  • Rev Recd Date: 2017-12-19
  • Publish Date: 2018-06-30
    Abstract
  • The influences of a buoy’s shape and gravity center distance on its motion response in different sea conditions are studied. Using the Reynolds-averaged Navier-Stokes equations(RANS) and the volume of fluid(VOF) model, a numerical wave flume is established via combination of potential flow and viscous flow. The waveform generated by this numerical wave flume and the theoretical waveforms are analyzed for different physical time, and the results show that the accuracy of the generated waveform satisfies engineering application. In addition, the six degrees of freedom (6DOF) model and the overlap grid method are employed to simulate the motion characteristics of two kinds of buoys in different sea conditions. It is shown that the present buoy motion simulation and analysis method is correct and effective. This study may facilitate the design of cylindrical buoys.

     

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