Experimental study and finite element analysis of linear cutting aerial PMMA using micro detonation cord

LI Zhi-qiang; LIU Xiao-ming; ZHAO Yong-gang; ZHAO Long-mao

doi:10.11883/1001-1455(2007)05-0385-05

Volume 27 Issue 5

Oct. 2014

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Article Navigation > Explosion And Shock Waves > 2007 > 27(5): 385-389

Yan Jing, Zeng Ya-wu, Luo Rong, Gao Rui. Reviews of numerical simulations on building structure collapse[J]. Explosion And Shock Waves, 2013, 33(4): 408-414. doi: 10.11883/1001-1455(2013)04-0408-07

Citation:

LI Zhi-qiang, LIU Xiao-ming, ZHAO Yong-gang, ZHAO Long-mao. Experimental study and finite element analysis of linear cutting aerial PMMA using micro detonation cord[J]. Explosion And Shock Waves, 2007, 27(5): 385-389. doi: 10.11883/1001-1455(2007)05-0385-05

Yan Jing, Zeng Ya-wu, Luo Rong, Gao Rui. Reviews of numerical simulations on building structure collapse[J]. Explosion And Shock Waves, 2013, 33(4): 408-414. doi: 10.11883/1001-1455(2013)04-0408-07

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Experimental study and finite element analysis of linear cutting aerial PMMA using micro detonation cord

doi: 10.11883/1001-1455(2007)05-0385-05

1.
Institute of Applied Mechanics, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China;
2.
The Center of Technology, Chengdu Aircraft Industry Group, Chengdu 610092, Sichuan, China

Publish Date: 2007-09-25

Abstract

Abstract

Application of linear cutting technique with micro detonation cord( MDC) in penetration ejection system was proposed to improve successful probability of aerial aviator/seat escape system and to reduce aeroplane complexity. Different kinds of MDC were designed. Cutting process of polymethyl methacrylate (PMMA) plate by MDC was experimentally studied to determine metal cover material, explosive types, charge quantities. Spallation phenomena were observed, and relationship between the cutting depth and charge quantities was obtained. Process of cutting PMMA plate was simulated using nonlinear dynamic analysis code LS-DYNA to compare with the experiment. Relationship of cutting depth of PMMA plate and charge linear density obtained by numerical simulation is in good agreement with the experimental results.
- mechanics of explosion,
- micro detonation cord,
- linear cutting,
- metal cover,
- spallation,
- finite element analysis

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