[1]臧立伟,尹建平,王志军.轴向预制破片战斗部的设计研究[J].爆破器材,2013,42(02):5-9.[doi:10.3969/j.issn.1001-8352.2013.02.002]
　ZANG liwei,YIN Jianping,WANG Zhijun.Optimizing Design of Axial Prefabricated Fragments[J].EXPLOSIVE MATERIALS,2013,42(02):5-9.[doi:10.3969/j.issn.1001-8352.2013.02.002]
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轴向预制破片战斗部的设计研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
42
期数:
2013年02
页码:
5-9
栏目:
基础理论
出版日期:
2013-04-20

文章信息/Info

Title:
Optimizing Design of Axial Prefabricated Fragments
文章编号:
4538
作者:
臧立伟; 尹建平; 王志军
中北大学机电工程学院(山西太原，030051)
Author(s):
ZANG liwei; YIN Jianping; WANG Zhijun
School of Mechatronic Engineering, North University of China (Shanxi Taiyuan, 030051)
关键词:
爆炸力学; 预制破片; 飞散角; 正交优化; 数值模拟
Keywords:
explosion mechanics;  prefabricated fragments;  flight angle;  orthogonal optimization;  numerical simulation
分类号:
TJ413+.2
DOI:
10.3969/j.issn.1001-8352.2013.02.002
文献标志码:
A
摘要:
为了研究壳体厚度、炸药爆速、起爆点距离3种因素对轴向预制破片战斗部平均飞散角的综合影响，利用LSDYNA动力有限元程序，采用Lagrange算法对轴向预制破片战斗部的加速过程进行了数值模拟。以破片平均飞散角为指标，应用正交优化方法针对3种因素对破片平均飞散角影响规律和主次关系进行了分析。结果表明，壳体厚度是主要影响因素，炸药爆速次之，起爆点距离影响最小;并得到了影响破片平均飞散角的3种因素各水平的最优组合，优化之后对应的破片平均飞散角为4.520°
Abstract:
In order to study the influence of shell thickness, detonation velocity, and initiation point position on the average flight angle of axial prefabricated fragments, numerical simulation of the accelerated process of the axial prefabricated fragments was carried out with the Lagrange method using LSDYNA. Regarding average flight angle of fragments as index, orthogonal optimization method was applied to analyze the primary and secondary relations of the three factors influencing the average flight angle. The result indicates that shell thickness is the dominant factor, explosive detonation velocity comes second, and initiation point distance impact is minimal. An optimum combination of every level of three factors affecting the average flight angle is gained, through which the corresponding fragments average flight angle is 4.520°.

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备注/Memo

备注/Memo:
收稿日期：2012-08-28
基金项目：国防基础科研项目（K133040610090）
作者简介：臧立伟（1987~），男，硕士，主要研究方向：高效毁伤战斗部设计及数值仿真。
更新日期/Last Update: 2013-04-27