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科技导报  2015 

超高速武器对地打击效应数值仿真

DOI: 10.3981/j.issn.1000-7857.2015.16.010, PP. 65-71

Keywords: 侵彻,超高速武器,岩石类靶体,武器效应,数值仿真

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Abstract:

以流体弹塑性模型为基础,采用SPH无网格方法,对超高速武器打击花岗岩靶体进行数值仿真分析。结果表明随着靶速度提高,将依次呈现固体侵彻、半流体侵彻、流体侵彻3种现象;出现流体侵彻后,直接侵彻深度大幅减小并趋向固定值,总弹坑深度增幅缓慢,弹体前端形成静高压区,并伴随以塑性冲击波为主的动应力区;亚音速流体侵彻应力波形为双波结构,而超音速流体侵彻应力波形与空气冲击波类似为强冲击波,但衰减指数>2.5,且着靶速度越高,衰减越快。

References

[1]  Lan Bin, Wen Heming. Alekseevskii-Tate revisited: An extension to the modified hydrodynamic theory of long rod penetration[J]. Science China Technological Sciences, 2010, 53(5): 1364-1373.
[2]  马晓青, 周兰庭, 隋树元. 用橡皮泥模拟高速撞击的实验研究[J]. 兵工学报, 1989(2): 50-54. Ma Xiaoqing, Zhou Lanting, Sui Shuyuan. Simulating experimental research of high speed impact with plasticine[J]. ACTA Armamentaria, 1989(2): 50-54.
[3]  孙庚辰, 谈庆明, 赵成修, 等. 金属厚靶的超高速碰撞开坑实验[J]. 兵工学报, 1994(1): 27-31. Sun Genchen, Tan Qingming, Zhao Chengxiu, et al. Cratering experiments with hyper-velocity impact upon thick metallic targets[J]. ACTA Armamentaria, 1994(1): 27-31.
[4]  杨秀敏. 爆炸冲击现象数值模拟[M]. 合肥: 中国科学技术大学出版社, 2010. Yang Xiumin. Numerical simulation for explosion and impact phenomena[M]. Hefei: University of Science and Technology of China Press, 2010.
[5]  邓国强, 杨秀敏. SPH方法在爆炸冲击效应计算中的应用[J]. 防护工程, 2004, 26(6): 46-49. Deng Guoqiang, Yang Xiumin. Application of SPH method for explosion and impact effect simulation[J]. Protective Engineering, 2004, 26(6): 46-49.
[6]  乔登江. 地下核爆炸现象学概论[M]. 北京: 国防工业出版社, 2002. Qiao Dengjiang. Introduction of underground nuclear burst phenomena[M]. Beijing: National Defense Press, 2002.
[7]  经福谦. 实验物态方程导引[M]. 北京: 科学出版社, 1999. Jin Fuqian. Introduction of experimental equation of state[M]. Beijing: Science Press, 1999.
[8]  李卧东, 王明洋, 施存程, 等. 地质类材料超高速撞击相似关系与实验研究综述[J]. 防护工程, 2015, 37(2): 55-62. Li Wodong, Wang Mingyang, Shi Cuncheng, et al. Review of similarity laws and scaling experiments research of hypervelocity impact on geological material targets[J]. Protective Engineering, 2015, 37(2): 55-62.
[9]  张丽静, 刘东升, 于存贵, 等. 高超声速飞行器[J]. 航空兵器, 2010(2): 13-16. Zhang Lijing, Liu Dongsheng, Yu Cungui, et al. Hypersonic aircraft[J]. Aero Weaponry, 2010(2): 13-16.
[10]  Fair H. Hypervelocity then and now[J]. International Journal of Impact Engineering, 1987, 5(1-4): 1-11.
[11]  张庆明, 黄风雷. 超高速碰撞动力学引论[M]. 北京: 科学出版社, 2000. Zhang Qinming, Huang Fenglei. Introduction of hyper velocity impact dynamics[M]. Beijing: Science Press, 2000.
[12]  邓国强, 杨秀敏. 超高速武器对地打击效应特点分析[C]. 第一届全国超高速碰撞会议, 四川绵阳, 2013-07-25. Deng Guoqiang, Yang Xiumin. Analyisis on the effect characteristics of HVIW impact to land surface[C]. 1st National Symposium on HVI, Mianyang Sichun, July 25-26, 2013.
[13]  沈俊, 徐翔云, 何翔, 等. 弹体高速侵彻岩石效应试验研究[J]. 岩石力学与工程学报, 2010, 29(增2): 4207-4212. Shen Jun, Xu Xiangyun, He Xiang, et al. Experimental study of effect of rock targets penetrated by high-velocity projectiles[J]. Chinese Journal of Rock Mechanics and Engineering, 2010, 29(Suppl 2): 4207-4212.
[14]  林俊德. 侵地武器及其气炮实验[J]. 中国工程科学, 2003, 5(11): 25-29. Lin Junde. Earth-penetrating weapons and their experiments upon gas gun[J]. Engineering Science, 2003, 5(11): 25-29.
[15]  Antoun T, Glenn L, Walton O, et al. Simulation of hypervelocity penetration in limestone[J]. International Journal of Impact Engineering, 2005, 33(1): 45-52.
[16]  马晓青, 韩峰. 高速碰撞动力学[M]. 北京: 国防工业出版社, 1998. Ma Xiaoqing, Han Feng. High velocity impact dynamics[M]. Beijing: National Defense Press, 1998.
[17]  Heuze F E. An overview of projectile penetration into geological materials, with emphasis on rocks[J]. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1990, 27(1): 1-14.
[18]  Alekseevskii V P. Penetration of a rod into a target at high velocity[J]. Combustion, Explosion and Shock Waves, 1966, 2(2): 63-66.
[19]  Tate A. A theory for the deceleration of long rods after impact[J]. Journal of the Mechanics and Physics of Solids, 1967, 15(6): 387-399.

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