破片对军用方舱的冲击毁伤效应研究

基于薄板的极限穿透速度及破片穿透薄板的余速理论，就破片对军用方舱的冲击毁伤效应进行深入分析．通过理论计算，得到圆柱形破片穿透方舱后的剩余速度．在AUTODYN中构建模型，对圆柱形破片穿透方舱的过程进行数值模拟，其结果表明，数值模拟结果与理论计算的误差较小，证明该模型的可靠性．

Damage Effect of Fragment Impacts on Military Shelter

Based on the theory of limit velocity of penetration of sheet and the residual velocity of fragment when it penetrates the sheet, this paper presents an in-depth research on the impact and damage effect of fragment on the military shelter. Through theoretical calculation, the residual velocity when the fragment penetrates the military shelter is obtained. A simulation model in AUDODYN software is built and the processes of cylinder fragment impacting on the shelter is simulated. The results show that the error between numerical simulation and theoretic calculation is very small, which proves the feasibility of the model.