Volume 36 Issue 8
Aug.  2010
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Jing Zhiwei, Wu Zhigang, Yang Chaoet al. Rudder flutter analysis method of missile with jet vane[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(8): 991-995. (in Chinese)
Citation: Jing Zhiwei, Wu Zhigang, Yang Chaoet al. Rudder flutter analysis method of missile with jet vane[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(8): 991-995. (in Chinese)

Rudder flutter analysis method of missile with jet vane

  • Received Date: 22 Jun 2009
  • Publish Date: 30 Aug 2010
  • Traditional flutter analysis and commercial software can not analyze rudder flutter of missile with jet vane. An approach for solving rudder flutter of missile with jet vane was presented. Dynamic sub-structure method was applied to establish dynamic formulation of rudder flutter in state space and analysis method of missile with jet vane. Structural mass matrix and stiffness matrix were partitioned according to the vectors of generalized coordinates. The aeroelastic influence of different stream and the influence of wing-body on the airstream were considered. The calculation model of unsteady aerodynamics in time-domain was based on the rational aerodynamic approximation method. Numerical results indicate that adverse stiffness coupling between jet vane shaft and rudder shaft can deteriorate the rudder flutter velocity. The analysis method and results above can supply reference for the missile design.

     

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