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A Numerical Simulation of Base Shear Forces and Moments Exerted by Waves on Large Diameter Pile

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  • You-liang Cheng
  • Zhan-pu Xue
  • Jiang-man Qu
  • Yan Jiang

Abstract

To solve the problem of the dynamic variation of wave force diameter of pile foundation for offshore wind turbines, wave force and moment of large diameter pile foundation can be calculated. In this paper, simulation technique is used to calculate the wave force and moment of different large diameter pile foundation, and the base shear force and moment of the interval 20-degree phase angle are obtained by the base line of the pile. Under the action of a certain load, the complete stress variation of the pile foundation is obtained. According to the basic principle of diffraction theory, the process curve of large diameter pile, and analysis of wave force, diffraction force changes in a certain period of time interval. The results show that the wave after the large diameter pile formed around the vortex, large diameter pile base shear, and moment dynamic change is nonlinear in a complete cycle, the diameter of the pile increases by 0.5 m, and the wave force increases by about 5%, the results show that it provides certain reference value for the offshore pile foundation pile with large diameter primary site. Some significant results for practical application are discussed.

Suggested Citation

  • You-liang Cheng & Zhan-pu Xue & Jiang-man Qu & Yan Jiang, 2017. "A Numerical Simulation of Base Shear Forces and Moments Exerted by Waves on Large Diameter Pile," Mathematical Problems in Engineering, Hindawi, vol. 2017, pages 1-10, August.
    • Handle: RePEc:hin:jnlmpe:6849658
    DOI: 10.1155/2017/6849658
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