CHINESE JOURNAL OF ENERGETIC MATERIALS
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Numerical Simulation of a Dual-mode EFP Warhead
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(School of Mechatronic Engineering,North University of China, Taiyuan 030051, China) 

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    Abstract:

    In order to study the multimode penetrators with the same shaped charge, the numerical simulation of the forming process of the explosively formed projectile (EFP) with fins which was formed by a grooved torus in front of the liner, was carried out by the Arbitrary Lagrange-Euler(ALE) method using LS-DYNA. Results indicate that the charge structure can form EFP with eight fins, and the length-diameter ratio of EFP with fins is 2.75 times of that of EFP and it velocity increases by 15 percent.

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臧立伟,尹建平,王志军.一种双模态EFP战斗部的数值仿真[J].含能材料,2013,21(2):253-256.
ZANG Li-wei, YIN Jian-ping, WANG Zhi-jun . Numerical Simulation of a Dual-mode EFP Warhead[J]. Chinese Journal of Energetic Materials,2013,21(2):253-256.

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History
  • Received:October 31,2012
  • Revised:January 21,2013
  • Adopted:January 21,2013
  • Online: April 26,2013
  • Published: