摘要
研究了带间隙约束的二维悬臂壁板在亚音速气流作用下的极限环颤振。采用微分求积法对运动方程进行离散,并分析了结构参数对系统响应的影响。结果表明:增加间隙处的弹簧刚度能减小系统极限环颤振幅值;间隙大小不影响系统响应的拓扑结构。
The limit cycle flutter behavior of a two-dimensional cantilever panel with gap constraints in subsonic flow is studied. The differential quadrature method is used to discretize the flutter equation and the effects of structural parameters on the system responses are analyzed. The results show that the limit cycle amplitude of the system can be decreased by enlarging the stiffness of spring. The to- pology of the system response is not affected by the gaps.
出处
《重庆理工大学学报（自然科学）》
CAS
2013年第9期94-96,共3页
Journal of Chongqing University of Technology：Natural Science
关键词
壁板
亚音速
间隙约束
极限环颤振
panel
subsonic flow
gap constraints
limit cycle flutter
