网格密度对聚能侵彻体成型有限元仿真的影响

张攀军; 李伟兵; 王晓鸣; 李文彬; 高旭东

doi:10.15892/j.cnki.djzdxb.2011.03.046

弹箭与制导学报 >

2011 , Vol. 31 >Issue 3: 111 - 113,116

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2011.03.046

弹药技术

网格密度对聚能侵彻体成型有限元仿真的影响

张攀军 ,
李伟兵 ,
王晓鸣 ,
李文彬 ,
高旭东

展开

南京理工大学智能弹药技术国防重点学科实验室,南京 210094

张攀军(1986-),男,四川巴中人,硕士研究生,研究方向:战斗部毁伤。

收稿日期: 2010-06-12

网络出版日期: 2025-05-30

基金资助

江苏省2009年度普通高校研究生科研创新基金(XC09E_087Z);自主科研专项计划资助项目(ZDJH02)资助

收起

The Effect of Grid Density on Simulation of Penetrator Formation

ZHANG Panjun ,
LI Weibing ,
WANG Xiaoming ,
LI Wenbin ,
GAO Xudong

Expand

Ministerial Key Laboratory of ZNDY, Nanjing University of Science and Technology, Nanjing 210094, China

Received date: 2010-06-12

Online published: 2025-05-30

Fold

摘要

针对仿真模型的网格密度对聚能侵彻体成型的影响问题,通过LS-DYNA仿真软件和X光成像试验的对比研究,得到了网格密度对毁伤元EFP和JPC速度、长径比等成型参数的影响规律。结果表明,当取装药网格尺寸为0.024倍装药口径时,满足聚能侵彻体成型计算精度的药型罩轴向网格尺寸应为0.4~0.6倍装药网格尺寸。

关键词： 网格密度; 爆炸成型弹丸; 聚能杆式侵彻体; 数值模拟

本文引用格式

张攀军 , 李伟兵 , 王晓鸣 , 李文彬 , 高旭东 . 网格密度对聚能侵彻体成型有限元仿真的影响[J]. 弹箭与制导学报, 2011 , 31(3) : 111 -113,116 . DOI: 10.15892/j.cnki.djzdxb.2011.03.046

Abstract

Aiming at the influence of grid density on penetrator forming, the effect of grid density on the penetrator (EFP, JPC) formation parameters such as velocity and length diameter ratio was obtained through LS-DYNA software and the X-ray imaging experimentation. The results show that when the grid size of the liner is 0.4~0.6 times of that of the charge, which is 0.024 times the charge caliber, the formation of penetrator can be good with the trail result.

Key words： grid density; explosively formed projectile (EFP); jetting projectile charge (JPC); numerical simulation

参考文献

[1]	JF Molinari. Finite element simulation of shaped charges[J]. Finite Elements in Analysis and Design, 2002, 38(10): 921-936.
[2]	JIN Jing, WU Xinyue. Analysis of the finite element mesh problems[J]. Computer Aided Engineering, 2005, 14(2): 75-78.
[3]	Livermore. LS-DYNA keyword user’s manual[M]. California: Livermore Software Technology Corporation, 2003: 42-510.
[4]	Weibing Li, Xiaoming Wang, Wenbin Li. The effect of annular multi point initiation on the formation and penetration of an explosively formed penetrator[J]. International Journal of Impact Engineering, 2010, 37(4): 414-424.
[5]	Weibing Li, Xiaoming Wang, Wenbin Li, et al. The effect of calculating gridding size on the formation of multimode penetrator[C]// Proceedings of the International Conference on Advanced in Materials and Manufacturing Processes Shenzhen, 2010.

Options

文章导航

模态框（Modal）标题

摘要

本文引用格式

Abstract

参考文献