全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

战斗部装药冲击损伤及热点形成的数值分析

DOI: 10.11858/gywlxb.2013.04.017, PP. 575-581

Keywords: 侵彻,安定性,热点,数值模拟

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对战斗部装药侵彻安定性这一难点问题,通过研究战斗部侵彻过程中内部装药损伤破坏与热点形成的关系,建立了耦合宏观力学变形与微裂纹损伤演化的粘弹性炸药本构关系以及裂纹摩擦生热细观模型。利用建立的数理模型,分析了在侵彻环境下装药内部热点的生成机理,比较不同侵彻环境对热点生成的影响。该战斗部装药侵彻安定性数值模拟方法,可用于战斗部装药的设计及评估。

References

[1]  陈广南, 张为华. 固体火箭发动机撞击变形及装药内部热点形成数值分析 [J]. 固体火箭技术, 2006, 29(2): 98-102.
[2]  Xi T G. Thermophysical Properties of Inorganic Materials [M]. Shanghai: Shanghai Scientific and Technical Publishers, 1981: 186-190. (in Chinese)
[3]  奚同庚. 无机材料热物性学 [M]. 上海: 上海科学技术出版社, 1981: 186-190.
[4]  Gao J X, Zhao W G, Zheng T. Study on the anti-overloading technique for penetrating warhead charge [J]. Initiators & Pyrotechnics, 2008(4): 4-7. (in Chinese)
[5]  高金霞, 赵卫刚, 郑腾. 侵彻战斗部装药抗过载技术研究 [J]. 火工品, 2008(4): 4-7.
[6]  Vandersall K S, Chidester S K, Forbes J W, et al. Experimental and modeling studies of crush, puncture, and perforation scenarios in the Steven impact test [C]//Proceedings of the 12th International Detonation Symposium. San Diego, USA, 2002.
[7]  Howe P M, Gibbons G Jr, Webber P E. An experimental investigation of the role of shear in initiation of detonation by impact [C]//Proceedings of the 8th International Symposium on Detonation, 1985: 294-306.
[8]  Addessio F L, Johnson J N. A constitutive model for the dynamic response of brittle materials [J]. J Appl Phys, 1990, 67(7): 3275-3286.
[9]  Haberman K S, Bennett J G, Asay B W, et al. Modeling, simulation and experimental verification of constitutive models for energetic materials [J]. AIP Conf Proc, 1997, 429: 273-276.
[10]  Chen G N, Zhang W H. Numerical analysis on deformation of SRM and hot spot formation in grain under mechanical impact [J]. Journal of Solid Rocket Technology, 2006, 29(2): 98-102. (in Chinese)
[11]  Wortley S, Jones A, Cartwright M, et al. Low speed impact of pristine and aged solid high explosive [C]//Proceedings of the 12th International Detonation Symposium. San Diego, USA, 2002.
[12]  Dienes J K. Frictional hot-spots and propellant sensitivity [J]. Mater Res Soc Symp Proc, 1984, 24: 373-381.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133