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《Journal of Projectiles,Rockets,Missiles and Guidance》 2013-05
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Dynamic Modeling and Analysis of Missile System Contact Model

LIU Xinxin;CHU Fulei;XU Hongbin;Department of Precision Instruments and Mechanology,Tsinghua University;No.203 Research Institute of China Ordnance Industries;  
To study the initial disturbances of a missile,a dynamic model with 14 degrees of freedom built based on the second Lagrange.In this model,elastic contact model used to simulate the unilateral constraint between the launcher and the ground and the unilateral constraint between the missile and the tubehe equivalent contact stiffness determined through finite element method. The launch dynamic responses of the system simulated by using R-K method,results approximately identical with the experimental data,which indicates that the dynamic model is reasonable. Will produce great influences on the initial disturbances.
【CateGory Index】: TJ768.2
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