Coupling of missile-launcher in vertical thermal launch process

The missile-launcher coupling and the dynamic response of missile system in bare missile vertical thermal launch process were mainly researched. Simplifying and equivalent modeling were discussed for track-based missile system. The process of missile taking off was theoretically analysed. A rigid-flexible coupling multi-body dynamics model was created based on dynamics and finite element software. The dynamics simulation and analysis were carried out for the process of missile launch. The results of the two kinds of models were compared. The numerical simulation results indicate that the coupling is obvious between the missile and launcher during missile taking off. The vibration of missile system has influence on the taking off attitude. Vibration damping characteristics of the launchers are suitable. The rigid-flexible coupling model can reflect the dynamic performance of missile launch better than the rigid model.