Simulation analyse of hypervelocity impact perforation

JIA Guang-hui; HUANG Hai; HU Zhen-dong

doi:10.11883/1001-1455(2005)01-0047-07

Volume 25 Issue 1

Dec. 2014

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JIA Guang-hui, HUANG Hai, HU Zhen-dong. Simulation analyse of hypervelocity impact perforation[J]. Explosion And Shock Waves, 2005, 25(1): 47-53. doi: 10.11883/1001-1455(2005)01-0047-07

Citation:

JIA Guang-hui, HUANG Hai, HU Zhen-dong. Simulation analyse of hypervelocity impact perforation[J]. Explosion And Shock Waves, 2005, 25(1): 47-53. doi: 10.11883/1001-1455(2005)01-0047-07

JIA Guang-hui, HUANG Hai, HU Zhen-dong. Simulation analyse of hypervelocity impact perforation[J]. Explosion And Shock Waves, 2005, 25(1): 47-53. doi: 10.11883/1001-1455(2005)01-0047-07

Citation:

JIA Guang-hui, HUANG Hai, HU Zhen-dong. Simulation analyse of hypervelocity impact perforation[J]. Explosion And Shock Waves, 2005, 25(1): 47-53. doi: 10.11883/1001-1455(2005)01-0047-07

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Simulation analyse of hypervelocity impact perforation

doi: 10.11883/1001-1455(2005)01-0047-07

1.
School of Space Technology, Beijing Unversity of Aero & Astro, Beijing 100083, China

Publish Date: 2005-01-25

Abstract

Abstract

The hypervelocity impact simulation result is studied about 9.53 mm Al-shpere impacting 2.2 mm Al-target at 6.64 km/s to analyze the macro phenomena. It is shown that the SPH simulations with Steinberg material model and Mie-Grneisen EOS are in accordance with the experimental results. The diameter of the hole initially increases, then slow increases, and finally reaches a stable value. The maximum pressure at the interface between the sphere and the plate is two times higher than aluminium strength. The maximum resistance appears at the moment when the maximum diameter of sphere just intrudes the plate. Debris cloud evolves following self-similar law, and the particles of debris cloud move only inside the so-called evolving cone.
- solid mechanics,
- hypervelocity impact,
- SPH,
- numerical simulation,
- debris cloud,
- pressure

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