有间隙折叠舵面的振动实验与非线性建模研究
何昊南*,于开平*1)(),唐宏*,李金泽*,周前坤*,张晓蕾
VIBRATION EXPERIMENT AND NONLINEAR MODELLING RESEARCH ON THE FOLDING FIN WITH FREEPLAY
He Haonan*,Yu Kaiping*1)(),Tang Hong*,Li Jinze*,Zhou Qiankun*,Zhang Xiaolei

图9. 非线性刚度

Fig. 9. The nonlinear stiffness