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BernoulliEuler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.
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.
出处
《动力学与控制学报》
2006年第1期84-87,共4页
Journal of Dynamics and Control
关键词
结构损伤
损伤分布函数
损伤影响矩阵
损伤识别
structural damage, damage distribution function, damage influence matrix, damage identification
