基于改进MCMC算法和代理模型的结构仿真模型更新

缪季, 段立平, 刘吉明, 林思伟, 赵金城

Structural Simulation Model Updating Based on Improved MCMC Algorithm and Surrogate Model

MIAO Ji, DUAN Liping, LIU Jiming, LIN Siwei, ZHAO Jincheng

表4 模态试验测得的频率

Tab.4 Frequencies measured by modal tests

模态 频率均值/Hz 方差/Hz2 X方向一阶 12.761 0.760 Y方向一阶 13.381 0.484 X方向二阶 49.370 0.219 Y方向二阶 50.508 0.233