Analysis of penetration depth and resistive force in the deep penetration of a rigid projectile

CHEN Xiao-wei; LI Ji-cheng

doi:10.11883/1001-1455(2009)06-0584-06

Volume 29 Issue 6

Sep. 2014

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CHEN Xiao-wei, LI Ji-cheng. Analysis of penetration depth and resistive force in the deep penetration of a rigid projectile[J]. Explosion And Shock Waves, 2009, 29(6): 584-589. doi: 10.11883/1001-1455(2009)06-0584-06

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CHEN Xiao-wei, LI Ji-cheng. Analysis of penetration depth and resistive force in the deep penetration of a rigid projectile[J]. Explosion And Shock Waves, 2009, 29(6): 584-589. doi: 10.11883/1001-1455(2009)06-0584-06

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Analysis of penetration depth and resistive force in the deep penetration of a rigid projectile

doi: 10.11883/1001-1455(2009)06-0584-06

1.
Institute of Structural Mechanics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2009-11-25

Abstract

Abstract

According to the dimensionless depth-of-penetration formula for different targets penetrated by rigid projectiles, the present paper theoretically analyses the resistive force which the target exerts on the projectile during penetration. In particular, the impact velocity threshold, which is applicable for the assumption of constant resistive force, is formulated by impulse analysis. The impact velocity thresholds are calculated for different projectile/target combinations by the proposed formula and the calculated velocity thresholds are in good agreement with the relative numerical results.
- mechanics of explosion,
- threshold of impact velocity,
- formula of DOP,
- rigid projectile,
- constant resistive force

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