基于剩余模态力分析方法的结构损伤识别

Structural Damage Detection Based on the Method of the Residual Modal Forces Analysis

利用特征结构分配技术建立了结构有限元数值模型修正方法。基于剩余模态力分析方法，提出了确定结构损伤位置的算法。采用灵敏度分析的方法来定量评估结构的损伤程度。最后，用数值示例说明了文中方法的应用。

With eigenstructure assignment technique,the method for updating the finite element models of structures is developed.On the basis of the method of residual modal force analysis,the algorithm for determining the location of damage is presented.The eigenmode sensitivity analysis is used to assess the damage severity.A numerical example is given to demonstrate the application of the present method.