摘要
提出了一种改进的自由界面子结构模态综合法,有效地解决了含有刚体模态时系统剩余柔度矩阵不可逆的求解问题。在改进的自由界面模态综合法中引入摄动法,求解出用摄动量表示的子结构综合系统方程和灵敏度方程,结合优化算法对机翼模型进行模型修正,极大地减缩了待修正问题的计算规模,提高了修正效率。
An improved free-interface component mode synthesis is proposed, which is to solve the problem of rigid body modal contains the residual flexibility matrix effectively. Perturbation method is introduced free-interface component mode synthesis. The modal equation and the sensitivity equation of the whole system were derived with perturbation items component mode synthesis method. Then the model with optimization algorithm for the wing model updating and greatly reduced the calculation scale and improved the computational efficiency.
作者
闫伟
唐维
陈勇
武蕊
YAN Wei TANG Wei CHEN Yong WU Rui(AVIC Chengdu Aircraft Industrial（Group） Co. , Ltd. R ＆ D Center, Chengdu 610092, China)
出处
《四川理工学院学报（自然科学版）》
CAS
2016年第5期67-72,共6页
Journal of Sichuan University of Science & Engineering(Natural Science Edition)
关键词
自由界面模态综合
摄动法
灵敏度分析
模型修正
free-interface component mode synthesis
perturbation method
sensitivity analysis
model updating
