Research On The Simulation Of The Flight Characteristics Of The Guided Bomb And The Confrontation Between Attack And Defence Of Guided Bomb And Ground-based Intercepted Missile

In this dissertation, design and research on the controllable ballistic trajectory of guided aerial bomb and guided gliding extended range missile and the intercepted missile is deeply developed on the back ground of changing conventional bomb into guided bomb by using design technology of pneumatics, ballistic, flying property, control and simulation. The flight trajectories of the confrontation between attack and defence of the guided bomb and the intercepted missile were simulated.Firstly, the 6-D flight mathematical model of the guided aerial bomb within the atmosphere was quoted. Then the trajectories and attack zones at every given altitude were gotten by the controlled flight numerical simulation of guided aerial bomb, coding with C++. Based on the great deal of flight numerical simulation results, the initial release conditions were optimized for the greatest bomb attack zones and release air-space.Fo11owing,this dissertation simulated the whole guided control system and researched the characteristics such as the trajectories, attack zones and sensitivity to random obstacles of guided aerial bomb by the controlled flight numerical simulation based on the system model considering some kinds of random obstacles, aerodynamic model, control system model, structure model and so on. The conclusion was gotten as following: the gliding distance and attack zone of the guided aerial bomb become larger with the increase of the lift-drag ratio, the gliding distance becomes larger or smaller with the different directions of wind field, the attack zone is re-shaped such as expanding or shrinking or flapping with the different directions of wind field.Subsequently,a surface-to-surface guided gliding extended range missile was designed based on the guided aerial bomb .The ballistic characteristics and the variation law of flight velocity and path-angle of the normal ballistic missile and guided gliding extended range missile under the same launched condition were studied.The gliding distance, miss-distance and attacked zone of the guided gliding extended range missile were gotten based on the great deal of flight numerical simulation. The attacked precision of the guided gliding extended range missile is higher than the one of the normal ballistic missile. At last the optimal firing path-angle of the guided gliding extended range missile was gained.Next, the mathematical model of the intercepted missile-target was built。The flight numerical simulation of missile and target was done by C++, and some typical flight trajectories and intercepted zones (3D images) were shown. This dissertation presented an algorithm of intercepted zones for vertical Launched surface-to-air missile.Lastly,the conditions of the intercepted missile launching was gained by the simulation of the confrontation between attack and defence of the guided bomb and the intercepted missile. This dissertation brings up two kinds of penetration tactics including multi-warhead missiles and infrared baits. The two kinds of penetration tactics were doable through great deal of the confrontation simulations. Invisible technology can be also used.The penetration tactics should be payed great attention when the guided bomb is developed.