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车桥系统的耦合振动

陈炎 黄小清 马友发

陈炎, 黄小清, 马友发. 车桥系统的耦合振动[J]. 应用数学和力学, 2004, 25(4): 354-358.
引用本文: 陈炎, 黄小清, 马友发. 车桥系统的耦合振动[J]. 应用数学和力学, 2004, 25(4): 354-358.
CHEN Yan, HUANG Xiao-qing, MA You-fa. Coupling Vibration of Vehicle-Bridge System[J]. Applied Mathematics and Mechanics, 2004, 25(4): 354-358.
Citation: CHEN Yan, HUANG Xiao-qing, MA You-fa. Coupling Vibration of Vehicle-Bridge System[J]. Applied Mathematics and Mechanics, 2004, 25(4): 354-358.

车桥系统的耦合振动

基金项目: 广东省自然科学基金资助项目(011602)
详细信息
    作者简介:

    陈炎(1963- ),男,广西藤县人,讲师,博士(联系人Tel:+86-20-87111304;E-mail:retangc@21cn.com).

  • 中图分类号: O175;U441.3

Coupling Vibration of Vehicle-Bridge System

  • 摘要: 通过用正弦波形模拟桥面的不平和考虑移动车辆-桥梁间的相互作用,在Euler-Bernoulli梁理论的基础上建立了一种车桥系统的耦合振动模型.利用模态分析法和Runge-Kutta法对模型进行数值求解,获得了车桥系统耦合振动的动态响应和共振曲线.发现车桥耦合振动的共振曲线中存在两个共振区域,一个反映主共振而另一个反映次共振.讨论了桥面不平、桥梁振型和车辆间的相互作用对系统振动的影响.数值结果表明,这些参数对系统振动的影响很大,桥面不平和振型对车桥系统耦合振动的影响不能忽略,设计车速应该远离临界车速.
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出版历程
  • 收稿日期:  2002-02-04
  • 修回日期:  2003-11-18
  • 刊出日期:  2004-04-15

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