期刊文献+

装填材料密度对侵彻膨胀弹终点效应的影响 被引量:1

Influence of Filling Material Density on Terminal Effect of PELE Projectile
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摘要 在建立弹靶模型的基础上,采用有限元软件LS-DYNA分别对装填铜,2024-T3铝和尼龙的侵彻膨胀弹以1 500 m/s着靶速度侵彻4340钢靶板的过程进行了数值模拟.结果表明:装填材料对侵彻膨胀弹横向效应的产生有较大影响.一定范围内装填材料的密度越小,PELE速度变化缓慢,而且变化持续时间越长,穿透靶板后的残余速度越小,产生横向效应的区域越大. By building the model of the penetrator with enhanced lateral efficiency(PELE) and target of steel plate,LS-DYNA was used to simulate penetration of PELE filled copper,2024-T3 aluminium and nylon against 4340 steel plate at the impact velocity of 1 500 m/s.The results show that the filling material has important influence on the producing of lateral efficiency.In a certain range,with the filling material density decreases,the lateral efficiency range becomes wider,and the remnant velocity after penetrating target becomes lesser.
出处 《中北大学学报(自然科学版)》 CAS 北大核心 2011年第6期671-675,共5页 Journal of North University of China(Natural Science Edition)
基金 国防基础科研资助项目
关键词 侵彻力学 横向效应 侵彻膨胀弹 计算机模拟 装填材料 penetration mechanics transverse effect penetrator with enhanced lateral efficiency computer simulation filling material
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参考文献8

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二级参考文献11

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