The finite element model of an undamaged 3-story experimental frame model is firstly updated based on the measured dynamic information by using neural network method.

• 摘要首先建立了三层试验框架结构的有限元模型，利用未损伤状态的动态测量数据，采用神经网络方法分步对原结构的有限元模型进行了修正。