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轨道结构随机场模型与车辆-轨道耦合随机动力分析

徐磊 翟婉明

徐磊, 翟婉明. 轨道结构随机场模型与车辆-轨道耦合随机动力分析[J]. 应用数学和力学, 2017, 38(1): 67-74. doi: 10.21656/1000-0887.370370
引用本文: 徐磊, 翟婉明. 轨道结构随机场模型与车辆-轨道耦合随机动力分析[J]. 应用数学和力学, 2017, 38(1): 67-74. doi: 10.21656/1000-0887.370370
XU Lei, ZHAI Wan-ming. The Random Field Model for Track Structures and Vehicle-Track Coupled Stochastic Dynamic Analysis[J]. Applied Mathematics and Mechanics, 2017, 38(1): 67-74. doi: 10.21656/1000-0887.370370
Citation: XU Lei, ZHAI Wan-ming. The Random Field Model for Track Structures and Vehicle-Track Coupled Stochastic Dynamic Analysis[J]. Applied Mathematics and Mechanics, 2017, 38(1): 67-74. doi: 10.21656/1000-0887.370370

轨道结构随机场模型与车辆-轨道耦合随机动力分析

doi: 10.21656/1000-0887.370370
基金项目: 国家重点基础研究发展计划(973计划)(2013CB036205; 2013CB036206);国家自然科学基金(高铁联合基金)(U1234209);中央高校基本科研业务费专项资金资助(2682015CX045);国家自然科学基金(51478482;51678507)
详细信息
    作者简介:

    徐磊(1988—),男,博士生(通讯作者. E-mail: leix_2014@my.swjtu.edu.cn

  • 中图分类号: O324

The Random Field Model for Track Structures and Vehicle-Track Coupled Stochastic Dynamic Analysis

Funds: The National Basic Research Program of China (973 Program)(2013CB036205; 2013CB036206);The National Natural Science Foundation of China(U1234209; 51478482; 51678507)
  • 摘要: 将轨道结构视为一个参数随机系统,提出并建立了轨道结构的随机场模型.利用车辆-轨道耦合动力学的基本方法,将轨道系统有限单元模型与多刚体车辆模型相结合,建立了考虑铁路线路参数空-时随机变化的车辆-轨道动力计算模型.算例表明:所提出的方法较为可靠且高效;线路参数随机性对车辆-轨道系统的动力响应有明显的影响,随线路参数离散程度的增加,可能造成行车不安全、轨道损伤加剧等一些问题.
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出版历程
  • 收稿日期:  2016-12-03
  • 修回日期:  2016-12-20
  • 刊出日期:  2017-01-15

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