基于动力特性的结构损伤识别方法
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Structural damage identification method based on dynamic properties
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    摘要:

    介绍了一种基于结构动力特性变化的损伤识别方法.通过引入一个损伤分布函数,讨论了均质等截面 BernoulliEuler 梁的动力响应,构造出“损伤影响矩阵”.该矩阵反映了结构由于损伤所引起的振型耦合,最后介绍了基于损伤影响矩阵的结构损伤定位和评估方法.

    Abstract:

    A structural dynamic propertiesbased damage identification method was proposed. The dynamic response of the uniform BernoulliEuler beam was discussed by introducing a damage distribution function, and a “damage influence matrix(DIM)" was constructed, which can show the structural modal coupling induced by damage. The method of structural damage location and assessment based on DIM was also introduced.

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李学平,余志武.基于动力特性的结构损伤识别方法[J].动力学与控制学报,2006,4(1):84~87; Li Xueping, Yu Zhiwu. Structural damage identification method based on dynamic properties[J]. Journal of Dynamics and Control,2006,4(1):84-87.

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  • 收稿日期:2005-10-16
  • 最后修改日期:2005-11-25
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