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空间一维结构分布动载荷时域识别方法

万成 严波

万成, 严波. 空间一维结构分布动载荷时域识别方法[J]. 应用数学和力学, 2017, 38(9): 967-978. doi: 10.21656/1000-0887.380006
引用本文: 万成, 严波. 空间一维结构分布动载荷时域识别方法[J]. 应用数学和力学, 2017, 38(9): 967-978. doi: 10.21656/1000-0887.380006
WAN Cheng, YAN Bo. A Time Domain Identification Method for Distributed Dynamic Loads on 1D Spatial Structures[J]. Applied Mathematics and Mechanics, 2017, 38(9): 967-978. doi: 10.21656/1000-0887.380006
Citation: WAN Cheng, YAN Bo. A Time Domain Identification Method for Distributed Dynamic Loads on 1D Spatial Structures[J]. Applied Mathematics and Mechanics, 2017, 38(9): 967-978. doi: 10.21656/1000-0887.380006

空间一维结构分布动载荷时域识别方法

doi: 10.21656/1000-0887.380006
基金项目: 国家自然科学基金(51277186)
详细信息
    作者简介:

    万成(1978—),男,博士生(E-mail: 782864569@qq.com);严波(1965—),男,教授,博士(通讯作者. E-mail: boyan@cqu.edu.cn).

  • 中图分类号: TH113;TB123;O32

A Time Domain Identification Method for Distributed Dynamic Loads on 1D Spatial Structures

Funds: The National Natural Science Foundation of China(51277186)
  • 摘要: 提出一种适用于空间一维结构分布动载荷的时域识别方法.基于空间分段和时间分段的思想, 推导了载荷时程识别的公式和过程.用MATLAB编写了载荷识别程序,以受分布动载荷简支梁和受随机风载荷输电导线的载荷识别对方法和程序进行验证, 并通过仿真试验研究了噪声对载荷识别的影响.结果表明,该方法对于线性问题有很高的识别精度,对于弱非线性问题能够满足工程应用要求,为分布动载荷时域识别提供了有效的途径.
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出版历程
  • 收稿日期:  2017-01-06
  • 修回日期:  2017-06-13
  • 刊出日期:  2017-09-15

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