Shock initiation behaviors of PBX-9404 impacted by round-nosed steel projectiles were studied numerically by means of adding two kinds of reaction-rate into two-dimensional finite element code DYNA2D.

• 在二维有限元动力分析程序DYNA2D中加入了两种反应速率模型 ,对圆头钢弹撞击PBX 940 4炸药的冲击起爆行为进行了数值模拟研究。