Numerical analysis of penetration resistance of ceramic/fluid cabin composite structure

Zhong Qiang; Hou Hailiang; Zhu Xi; Li Dian

doi:10.11883/1001-1455(2017)03-0510-10

Volume 37 Issue 3

Apr. 2017

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Zhong Qiang, Hou Hailiang, Zhu Xi, Li Dian. Numerical analysis of penetration resistance of ceramic/fluid cabin composite structure[J]. Explosion And Shock Waves, 2017, 37(3): 510-519. doi: 10.11883/1001-1455(2017)03-0510-10

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Zhong Qiang, Hou Hailiang, Zhu Xi, Li Dian. Numerical analysis of penetration resistance of ceramic/fluid cabin composite structure[J]. Explosion And Shock Waves, 2017, 37(3): 510-519. doi: 10.11883/1001-1455(2017)03-0510-10

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Numerical analysis of penetration resistance of ceramic/fluid cabin composite structure

doi: 10.11883/1001-1455(2017)03-0510-10

College of Naval Architecture and Power, Naval University of Engineering, Wuhan 430033, Hubei, China

Received Date: 2015-08-14
Rev Recd Date: 2015-11-18
Publish Date: 2017-05-25

Abstract

Abstract

To study the mechanism behind the penetration resistance capability of the ceramic/fluid cabin composite structure, numerical simulation was carried out using LS-DYNA to represent the structure's failure process and modes under the impact of the projectile, and results were obtained that agree well with those from the experiment. The results show that the shockwave generated at the impact point of the structure propagated forward spherically, and bounced and oscillated back and forth in the structure. Cavity was generated in the water and constantly grew, and there was an area of high pressure in front of the projectile when the projectile was moving in the water. The projectile mainly exhibited coarse and erosive damage, and the damage mainly occurred in the process of the projectile penetrating the ceramic and the front plate at low velocities and in the water at high velocities, eventually forming approximately bake-shaped serious deformation. The front and back plates mainly suffered local failure and overall deformation, while petal-shaped cracking occurred in the back plate under high-velocity impact.
- failure mode,
- ceramic,
- penetration

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References(15)

References

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