空间目标非灾难性撞击毁伤模型研究

针对空间目标在动能杀伤飞行器（kinetic kill vehicle,KKV）非灾难性撞击下的毁伤模型进行研究。对弹目撞击想定进行分析,结合NASA撞击解体判据,着眼KKV小型化发展趋势,指出广义顺轨拦截能够有效避免目标灾难性解体,减轻撞击事件对空间环境的污染;对目标易损性进行分析,基于目标功能构型建立目标毁伤树模型,以密度等效原则建立目标多层板靶等效模型;以THOR方程预估射弹侵彻效能;从部件物理毁坏和功能衰减2方面建立目标毁伤概率模型;进行仿真案例分析。算例结果表明：非灾难性撞击足以有效毁伤目标。

Research on Space Target Damage Model at Non-catastrophic Impact

The damage model of the kinetic kill vehicle(KKV) non-catastrophic impact on space target is studied.The impact scheme between projectile and target is analyzed,combining the NASA collision breakup criteria and aiming at KKV miniaturization development tread,and it indicates that the general along orbit intercept could effectively avoid target catastrophic breakup and mitigate the space environment contamination produced by impact event.The target vulnerability is analyzed,the target fault tree model is developed based on target function constitution,and in term of the density equivalent rule,the target multi-level plate equivalent model is proposed.The THOR penetration equation is applied to assess the effectiveness of the projectile penetration.The target damage probability model is derived from component physics damage and function degradation.The simulation case is calculated and the result indicates non-catastrophic impact efficiently kills the target.