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科技导报
|研究论文
2011
, 29
(31) :
38
-42
离散杆战斗部杆条抛撒规律的有限元分析
全屏
李维1 , 刘颖1 , 蒋治海1 , 郑元枫2 , 胡榕希1
作者信息
1. 中国工程物理研究院化工材料研究所,四川绵阳 621900;2. 北京理工大学机电学院,北京 100081
通讯作者:
刘颖,研究实习员,研究方向为含能材料安全性能,电子信箱：cnthina@163.com
Finite-element Analysis on the Bar Scatters Regular Pattern of Discrete Rod Warheads
LI Wei1 , LIU Ying1 , JIANG Zhihai1 , ZHENG Yuanfeng2 , HU Rongxi1
Affiliations
1. Institute of Chemical Materials, Chinese Academy of Engineering Physics, Mianyang 621900, Sichuan Province, China;2. School of Mechatronics Engineering, Beijing Insitute of Technology, Beijing 100081, China
出版时间: 2011-11-08
doi: 10.3981/j.issn.1000-7857.2011.31.005
文章导航
采用理论分析与数值模拟相结合的方法,对离散杆战斗部的杆条排布及抛撒方式进行了较深入研究。在AUTODYN-3D平台上建立了离散杆战斗部三维有限元模型,采用Lagrange算法,对离散杆式战斗部的钢杆条和钨合金杆条在有、无填充材料时杆条抛撒进行了模拟。研究发现,杆条材料、缓冲材料对杆条抛撒行为有显著影响,装填合适的缓冲材料有利于减少爆轰产物的飞散,提高炸药的能量利用率。模拟结果为离散杆战斗部设计提供了有益参考。
The rod arrangement and scatters way for the discrete rod warheads are in-depth studied in terms of theory, numerical simulation, and experiment. By using AUTODYN-3D software, the three-dimensional finite element model of the discrete rod warheads has been established. Through Lagrange algorithms, the steel rod and the tungsten carbide rod of the discrete rod warheads with or without filling materials are simulated. It is found that the rod material and the cushioning material have a significant effect on the rod scatters behavior, Loading appropriate buffer materials is in favour of reducing the fly of detonation products and improving the energy utilization ratio of explosives. The theoretical analysis might provide some useful reference for the design of the discrete rod warhead.
discrete rod warheads
/
explosively driven
/
numerical simulation
李维;刘颖;蒋治海;郑元枫;胡榕希.
离散杆战斗部杆条抛撒规律的有限元分析.
科技导报,
2011
, 29
(31)
: 38
-42
.
DOI: 10.3981/j.issn.1000-7857.2011.31.005
LI Wei;LIU Ying;JIANG Zhihai;ZHENG Yuanfeng;HU Rongxi.
Finite-element Analysis on the Bar Scatters Regular Pattern of Discrete Rod Warheads[J].
Science & Technology Review ,
2011
, 29
(31)
: 38
-42
.
DOI: 10.3981/j.issn.1000-7857.2011.31.005
2011年第29卷第31期
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文章信息
doi: 10.3981/j.issn.1000-7857.2011.31.005
接收时间：2011-06-17
首发时间：2011-11-08
出版时间：2011-11-08
收稿日期：2011-06-17
修回日期：2011-09-28
通讯作者:
刘颖,研究实习员,研究方向为含能材料安全性能,电子信箱：cnthina@163.com
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2011.31.005
引用本文
BibTeX
2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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