Influence of Filling Material Density on Terminal Effect of PELE Projectile

尹建平; 王志军; 魏继允

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Influence of Filling Material Density on Terminal Effect of PELE Projectile

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- Influence of Filling Material Density on Terminal Effect of PELE Projectile
- 装填材料密度对侵彻膨胀弹终点效应的影响
- Vol. 32, Issue 6, Pages: 671-675(2011)
- 作者机构：
  
  中北大学机电工程学院地下目标毁伤技术国防重点学科实验室
- 作者简介：
- 基金信息：
- DOI：
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- Published：2011
- 稿件说明：
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尹建平, 王志军, 魏继允. Influence of Filling Material Density on Terminal Effect of PELE Projectile[J]. 2011, 32(6): 671-675.
DOI：

尹建平, 王志军, 魏继允. Influence of Filling Material Density on Terminal Effect of PELE Projectile[J]. 2011, 32(6): 671-675. DOI：

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.

Abstract

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.

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references

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时党勇,李裕春,张胜民.基于ANSYS/LSDYNA 8.1进行显式动力分析[M].北京:清华大学出版社,2005.

朱建生,赵国志,杜忠华,等.着靶速度对PELE效应的影响[J].力学与实践,2007,29(5):12-16.Zhu Jiansheng,Zhao Guozhi,Du Zhonghua,et al.The influence of impact velocity on the penetrator with enhancedlateral efficiency[J].Mechanics in Engineering,2007,29(5):12-16.(in Chinese)

朱建生,赵国志,杜忠华,等.小口径PELE作用薄靶板影响因素的实验研究[J].实验力学,2007,22(5):505-510.Zhu Jiansheng,Zhao Guozhi,Du Zhonghua,et al.Experimental study of the influence factors on small caliberPELE impacting thin target[J].Journal of experiment mechanics,2007,22(5):505-510.(in Chinese)

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