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基于柔度曲率矩阵的结构损伤识别法

Keywords: 结构,损伤识别,柔度曲率矩阵,模态参数

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Abstract:

基于损伤结构模态的柔度矩阵,应用差分方法计算柔度曲率矩阵,从中找到各列最大值,作为检测结构损伤指(?)的新方法.该方法无需原始结构的信息,只需损伤结构少数低阶的模态参数就可以进行悬臂梁、固端梁、简支梁以及连续梁等多种结构形式的损伤识别,既能识别单个损伤的存在,也能识别多个损伤的位置,该方法定位准确、适用面广、识别精度高、能定性反映损伤程度.

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