Numerical Simulation of Anti-Penetration of Laminated Steel Plate by Hemispherical-Nosed Projectile Using SPH

QIANG Hongfu; SUN Xinya; WANG Guang; CHEN Fuzhen; SHI Chao; HUANG Quanzhang

doi:10.11858/gywlxb.20170664

Volume 32 Issue 5

Aug 2018

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Chinese Journal of High Pressure Physics > 2018 > 32(5): 055102.

GUO Junfeng, ZENG Qingxuan, LI Mingyu, YU Qingxia. Short Pulse Shock Initiation Criteria for HNS-Ⅳ Explosive[J]. Chinese Journal of High Pressure Physics, 2018, 32(2): 025101. doi: 10.11858/gywlxb.20170582

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QIANG Hongfu, SUN Xinya, WANG Guang, CHEN Fuzhen, SHI Chao, HUANG Quanzhang. Numerical Simulation of Anti-Penetration of Laminated Steel Plate by Hemispherical-Nosed Projectile Using SPH[J]. Chinese Journal of High Pressure Physics, 2018, 32(5): 055102. doi: 10.11858/gywlxb.20170664

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Numerical Simulation of Anti-Penetration of Laminated Steel Plate by Hemispherical-Nosed Projectile Using SPH

doi: 10.11858/gywlxb.20170664

Rocket Army Engineering University, Xi'an 710025, China

Received Date: 22 Oct 2017
Rev Recd Date: 13 Nov 2017

Abstract

Abstract

With the wide application of high strength and high impact-resistant steel structures in armor protection of armor, arsenal protective doors and other military facilities, the impact-resistant properties of steel structures become a major focus and hot spot in defense research.In this paper, we simulated the process of hemispherical-nosed projectile penetration through a multilayer steel plate using smooth particle hydrodynamics, compared its results with those from experiment, and analyzed the failure form of the steel plate after being penetrated by hemispherical-nosed projectile, thereby obtaining the von Mises stress distribution and the residual velocity for the hemispherical-nosed projectile and verifying the effectiveness of SPH in the study of the steel plate penetration by a hemispherical-nosed projectile.We investigated the influence of the number of target plates and the thickness of the steel body on the target's penetration-resistant performance using numerical simulation.The results show that the protective strength of the single-layer steel plate is stronger than that of the multi-layer steel plate with a 3 mm thickness; that when the thickness is 9 mm, the multi-layer steel plate has a better protective capability than the single-layer steel plate; and that when the thickness is 12 mm, the multi-layer steel plate and the single-layer steel plate have similar protective strength.
- metal target plate,
- target structure,
- penetration,
- SPH

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References(15)

References

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Numerical Simulation of Anti-Penetration of Laminated Steel Plate by Hemispherical-Nosed Projectile Using SPH

doi: 10.11858/gywlxb.20170664

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Numerical Simulation of Anti-Penetration of Laminated Steel Plate by Hemispherical-Nosed Projectile Using SPH

doi: 10.11858/gywlxb.20170664

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