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PB X 940 4炸药的冲击起爆行为进行了数值模拟研究。
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His was as Irish a face as could be found in the length and breadth of the homeland he had left so long ago-round, high colored, short nosed, wide mouthed and belligerent.