袁旭东, 高 潮, 高少霞. 量测模态数量对结构损伤识别影响数值模拟研究[J]. 工程力学, 2007, 24(增Ⅰ): 75-078.
引用本文: 袁旭东, 高 潮, 高少霞. 量测模态数量对结构损伤识别影响数值模拟研究[J]. 工程力学, 2007, 24(增Ⅰ): 75-078.
YUAN Xu-dong, GAO Chao, GAO Shao-xia. A NUMERICAL SIMULATION FOR INFLENCE OF MEASUREMENT MODE QUANTITY ON STRUCTURAL DAMAGE IDENFIFICATION[J]. Engineering Mechanics, 2007, 24(增Ⅰ): 75-078.
Citation: YUAN Xu-dong, GAO Chao, GAO Shao-xia. A NUMERICAL SIMULATION FOR INFLENCE OF MEASUREMENT MODE QUANTITY ON STRUCTURAL DAMAGE IDENFIFICATION[J]. Engineering Mechanics, 2007, 24(增Ⅰ): 75-078.

量测模态数量对结构损伤识别影响数值模拟研究

A NUMERICAL SIMULATION FOR INFLENCE OF MEASUREMENT MODE QUANTITY ON STRUCTURAL DAMAGE IDENFIFICATION

  • 摘要: 基于不完备信息开展土木工程结构损伤识别研究是一个热点、难点问题。利用结构部分节点振型分量以及低阶固有频率对一两层框架结构进行了损伤识别数值模拟研究,着重考察了量测模态数量对损伤识别精度的影响,为实际结构损伤识别信息的选取提供了一定依据。

     

    Abstract: A numerical simulation of structural damage identification on a two-storey frame was performed by using part of nodal mode shapes and several low frequencies. The influence of measurement mode quantity on damage identification was investigated, offering some basis for selection of the real structural damage information.

     

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