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Flow Simulation of Suspension Bridge Cable Based on Lattice-Boltzmann Method

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  • Liang Huang
  • Yuhan Deng
  • Bo Wang

Abstract

Suspension bridge is a kind of bridge which uses cables as the main bearing structure. Suspension bridge has the characteristics of saving materials and weak stiffness. With the increase of the span of suspension bridge, wind induced vibration has resulted in injury of several suspension bridges, which leads to a significant loss. Thus, it is imperative to study the wind vibration mechanism of cables. As for this problem, this paper based on motion theory of mesoscopic particles performs flow simulation of cables by LBM which is different from traditional computing method of fluid mechanics. By calculating the distribution function of the distribution on the grid of uniform flow field, the macroscopic motion law of the flow field around cables can be obtained, which can provide reference for wind resistant design of suspension.

Suggested Citation

  • Liang Huang & Yuhan Deng & Bo Wang, 2016. "Flow Simulation of Suspension Bridge Cable Based on Lattice-Boltzmann Method," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-7, August.
    • Handle: RePEc:hin:jnlmpe:2537581
    DOI: 10.1155/2016/2537581
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