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尾翼型爆炸成型弹丸的数值模拟及实验研究

DOI: 10.11858/gywlxb.2009.03.009, PP. 215-222

Keywords: 爆炸成型弹丸,聚能装药,尾翼,隔板,爆炸力学

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Abstract:

在药型罩上粘附铝隔板是一种新的形成尾翼型爆炸成型弹丸(ExplosivelyFormedProjectile,EFP)的实验方法。通过实验和数值模拟对该方法进行了分析,探讨了形成尾翼的机理。利用有限元分析软件LS-DYNA,对大锥角型、球缺型和弧锥结合型3种不同药型罩在采用新方法时形成的尾翼型EFP进行了三维数值模拟分析,并将模拟结果与实验结果进行对比。研究结果表明:3种药型罩均能形成比较明显的尾翼,数值计算结果与实验结果较吻合。该研究为设计尾翼型EFP提供了一种新的参考方法。

References

[1]  Bender D, Chhouk D, Fong R. Explosively Formed Penetrators (EFP) with Canted Fins [A]//19th International Symposium on Ballistics [C]. Interlaken, Switzerland, 2001: 7-11.
[2]  Bouet T H, Tarayre P, Guillon J P. Study of a Multi-Point Ignition EFP [A]//15th International Symposium on Ballistics [C]. Israel, 1995: 159-166.
[3]  Joseph C, David E B, Richard F. A Unique Method of Providing an Explosively Formed Penetrator with Fins [A]//17th International Symposium on Ballistics [C], Midrand: The South African Ballistics Organisation Press, 1998: 55-62.
[4]  Weimann K. Flight Stability of EFP with Star Shaped Tail [A]//15th International Symposium on Ballistics [C]. Queber, Canada, 1993: 755-763.
[5]  Men J B, Jiang J W, Wan L Z. 3D Numerical Simulation Research on the Formation of Explosively Formed Penetrator with Fins [J]. Journal of Beijing Institute of Technology, 2002, 22(2): 166-168. (in Chinese)
[6]  门建兵, 蒋建伟, 万丽珍. 带尾翼EFP形成的三维数值模拟研究 [J]. 北京理工大学学报, 2002, 22(2): 166-168.
[7]  Yu C, Dong Q D, Sun C W, et al. The Experimental Formed Projectile with Star Shaped Tail [J]. Explosion and Shock Waves, 2003, 23(6): 561-564. (in Chinese)
[8]  于川, 董庆东, 孙承纬, 等. 带尾翼翻转型爆炸成型弹丸试验研究 [J]. 爆炸与冲击, 2003, 23(6): 561-564.
[9]  Zhao H Y, Shen Z W, Li C B, et al. A New Way of Explosively Formed Projectile with Stabilizing Fins [J]. Chinese Journal of Energetic Materials, 2006, 14(2): 102-104. (in Chinese)
[10]  赵慧英, 沈兆武, 李成兵, 等. 带尾翼爆炸成型弹丸的新技术 [J]. 含能材料, 2006, 14(2): 102-104.
[11]  Zhao H Y. Research on Technology of Fin Stabilized EFP [D]. Hefei: University of Science and Technology of China, 2007. (in Chinese)
[12]  赵慧英. 尾翼稳定爆炸成型弹丸相关技术研究 [D]. 合肥: 中国科学技术大学, 2007.
[13]  LS-DYNA Keyword User's Manual [M]. California: Livermore Software Technology Corporation, 2001.
[14]  Steinberg D J. Equation of State and Strength Properties of Selected Materials [M]. Lawrence Livermore National Laboratory, 1991.

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