Damage of a New Shaped Warhead to Water-Containing Composite Structure

CUI He; FU Jianping; REN Kai; MIAO Chunzhuang; GAO Xiaotao; LI Taotao; FENG Xiongbo

doi:10.11858/gywlxb.20251102

Article Contents

Chinese Journal of High Pressure Physics > 2026 > Corrected proof

CUI He, FU Jianping, REN Kai, MIAO Chunzhuang, GAO Xiaotao, LI Taotao, FENG Xiongbo. Damage of a New Shaped Warhead to Water-Containing Composite Structure[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20251102

Citation:

CUI He, FU Jianping, REN Kai, MIAO Chunzhuang, GAO Xiaotao, LI Taotao, FENG Xiongbo. Damage of a New Shaped Warhead to Water-Containing Composite Structure[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20251102

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Damage of a New Shaped Warhead to Water-Containing Composite Structure

doi: 10.11858/gywlxb.20251102

CUI He^{1, 2
,},
FU Jianping^{2,*
,
,},
REN Kai²,
MIAO Chunzhuang³,
GAO Xiaotao³,
LI Taotao⁴,
FENG Xiongbo⁴

1.
School of Mechatronics Engineering , North University of China, Taiyuan 030051, Shanxi, China
2.
National Defense Key Discipline Lab of Underground Target Damage Technology, North University of China, Taiyuan 030051, Shanxi, China
3.
Jinxi Industries Group Co., Ltd., Taiyuan 030027, Shanxi, China
4.
Shanxi Jiangyang Chemical Co., Ltd., Taiyuan 030041, Shanxi, China

Received Date: 30 May 2025
Rev Recd Date: 02 Jul 2025
Accepted Date: 10 Dec 2025

Available Online: 05 Jul 2025

Abstract

Abstract

In order to improve the penetration capability of the shaped charge warhead to the water-containing composite structure, a truncated cone-sphere combined liner was designed, and its jet forming motion law in the water medium and the damage performance to the water-containing composite structure were explored by numerical simulation. It is found that in the process of penetrating the water-containing composite structure, the truncated cone-sphere combined liner has a larger jet length and a higher jet head velocity compared with the sub-hemisphere-sphere combined liner and the U-shaped-sphere combined liner. It also has the smallest cavity channel formed in the water medium and the radial expansion velocity of the water medium and the largest residual kinetic energy and jet velocity after the penetrated target plate. The influence of structural parameters such as cone angle α, height h, side wall thickness a₁ and top wall thickness a₂ on the jet shape and penetration performance of the truncated cone-spherical combined liner was investigated by simulation, and a orthogonal optimization test was designed. It is found that the influence of these structural parameters on the jet penetration performance decreases in the order of: the cone angle α, height h, side wall thickness a₁, and top wall thickness a₂. When α=26°, h=22 mm, a₁=4.0 mm, and a₂=3.2 mm, the penetration performance of the truncated cone-sphere combined liner is superior, and the residual kinetic energy of the jet in penetrating the aftereffect target is 136.2 kJ. This study provides a valuable reference for the design of shaped torpedo warhead and the improvement of torpedo warhead damage power.
- shaped charge,
- underwater penetration,
- combined liner,
- water-containing composite structure

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References(24)

References

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Damage of a New Shaped Warhead to Water-Containing Composite Structure

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