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

机译：基于Lattice-Boltzmann方法的悬索桥缆索流模拟

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摘要

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.
机译：悬索桥是一种以电缆为主要承载结构的桥梁。悬索桥具有节省材料，刚性差的特点。随着悬索桥跨度的增加，风振引起多座悬索桥的损伤，造成重大损失。因此，必须研究电缆的风振机理。针对这一问题，本文基于介观粒子运动理论，采用LBM方法对电缆进行了流动模拟，这与传统的流体力学计算方法不同。通过计算均匀流场网格上分布的分布函数，可以得到电缆周围流场的宏观运动规律，为悬架的抗风设计提供参考。

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  • 来源
    《Mathematical Problems in Engineering》 |2016年第8期|2537581.1-2537581.7|共7页
  • 作者

    Huang Liang; Deng Yuhan; Wang Bo;

  • 作者单位

    Zhengzhou Univ, Sch Civil Engn, Zhengzhou 450001, Henan, Peoples R China;

    Zhengzhou Univ, Sch Civil Engn, Zhengzhou 450001, Henan, Peoples R China;

    Zhengzhou Univ, Sch Water Conservancy & Environm Engn, Zhengzhou 450001, Henan, Peoples R China;

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