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Chinese Journal of High Pressure Physics  > 2010  >  24(1): 43-48 .
WANG Zhi-Hua, LI Zhi-Qiang, REN Hui-Lan, ZHAO Long-Mao. Finite Element Analysis on the Influence of PMMA Geometry on Explosion Cutting[J]. Chinese Journal of High Pressure Physics, 2010, 24(1): 43-48 . doi: 10.11858/gywlxb.2010.01.008
Citation: WANG Zhi-Hua, LI Zhi-Qiang, REN Hui-Lan, ZHAO Long-Mao. Finite Element Analysis on the Influence of PMMA Geometry on Explosion Cutting[J]. Chinese Journal of High Pressure Physics, 2010, 24(1): 43-48 . doi: 10.11858/gywlxb.2010.01.008
shu

Finite Element Analysis on the Influence of PMMA Geometry on Explosion Cutting

doi: 10.11858/gywlxb.2010.01.008
  • 1.

    State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;

  • 2.

    Institute of Applied Mechanics and Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

More Information
  • Corresponding author: REN Hui-Lan
  • Received Date: 20 May 2009
  • Rev Recd Date: 26 Aug 2009
  • Publish Date: 15 Feb 2010
    Abstract
  • In order to improve the present aviation ejection lifesaving system and enhance success possibility of safe escape, the application of Miniature Detonating Cord (MDC) on the aviation ejection-escape- system is proposed. The explosion cutting process of plexiglass (PMMA) plate and Canopy by MDC is simulated employing nonlinear dynamic explicit program LS-DYNA3D. The variation of cutting depth with charge quantities is obtained, which agrees well with the experimental result. Simulation result shows that the geometry of PMMA has slight influence on the cutting effect. This study may provide the powerful foundation for the design of the aviation ejection lifesaving system.

     

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