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	Physical analysis and numerical simulation for the dynamic behaviour of vehicles in pitching oscillations or rocking motions
	Zhang HanXin ; Zhao, Zhang ; Yuan XianXu ; Wei, Liu ; Xie YuFei ; Ye YouDa
	2010-05-10 ; 2010-05-10
关键词	physical analysis numerical simulation pitching oscillation rocking motion bifurcation Engineering, Multidisciplinary Materials Science, Multidisciplinary
中文摘要	Analytical methods of nonlinear dynamics and numerical simulations for the coupling equations of Navier-Stokes and flight mechanics are used to study the dynamic behaviour of pitching motions of reentry capsules with the variation of Mach number, and rocking motions of swept wings with the variation of angle of attack. Conditions under which the dynamic instability, Hopf bifurcation and saddle-node bifurcation occur are obtained. The node-saddle-node topological structure in the phase portrait, i.e. the state of bi-attractors (attracting basins) is described. The evolving process of dynamic behaviour and flow fields are given. The theories are compared with some numerical simulations conducted by the authors. Besides, some verifiable experimental results are cited. The agreement between them is very well.
语种	英语 ; 英语
出版者	SCIENCE CHINA PRESS ; BEIJING ; 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/22592]
专题	清华大学
推荐引用方式 GB/T 7714	Zhang HanXin,Zhao, Zhang,Yuan XianXu,et al. Physical analysis and numerical simulation for the dynamic behaviour of vehicles in pitching oscillations or rocking motions[J],2010, 2010.
APA	Zhang HanXin,Zhao, Zhang,Yuan XianXu,Wei, Liu,Xie YuFei,&Ye YouDa.(2010).Physical analysis and numerical simulation for the dynamic behaviour of vehicles in pitching oscillations or rocking motions..
MLA	Zhang HanXin,et al."Physical analysis and numerical simulation for the dynamic behaviour of vehicles in pitching oscillations or rocking motions".(2010).

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