Effect of Torpedo Guidance Nose on Lethality of Shaped Charge Warhead

FENG Yuheng; LIANG Anqi; LIU Xingyu; YIN Jianping; YI Jianya; ZHANG Xuepeng

doi:10.11858/gywlxb.20251213

Volume 40 Issue 6

Jun 2026

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Chinese Journal of High Pressure Physics > 2026 > 40(6): 065101.

FENG Yuheng, LIANG Anqi, LIU Xingyu, YIN Jianping, YI Jianya, ZHANG Xuepeng. Effect of Torpedo Guidance Nose on Lethality of Shaped Charge Warhead[J]. Chinese Journal of High Pressure Physics, 2026, 40(6): 065101. doi: 10.11858/gywlxb.20251213

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FENG Yuheng, LIANG Anqi, LIU Xingyu, YIN Jianping, YI Jianya, ZHANG Xuepeng. Effect of Torpedo Guidance Nose on Lethality of Shaped Charge Warhead[J]. Chinese Journal of High Pressure Physics, 2026, 40(6): 065101. doi: 10.11858/gywlxb.20251213

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Effect of Torpedo Guidance Nose on Lethality of Shaped Charge Warhead

doi: 10.11858/gywlxb.20251213

School of Mechanical and Electrical Engineering, North University of China, Taiyuan 030051, Shanxi, China

Received Date: 28 Sep 2025
Rev Recd Date: 13 Nov 2025

Available Online: 23 Nov 2025

Issue Publish Date: 05 Jun 2026

Abstract

Abstract

To investigate the influence of torpedo guidance nose configuration on the lethality of an underwater shaped charge warhead, a series of numerical simulations were performed using the AUTODYN finite element code. The damage performance of the shaped penetrator under different simulated nose structures was studied, and the complete process including shock wave diffraction, behind-target load propagation, and target damage were analyzed. The results indicate that both the penetrator head velocity and the diameter of hole in after-effect target generally increase with the total length and number of layers of the simulated nose. Within a certain range, increasing the number of nose layers effectively optimizes the formation of the explosively formed projectile (EFP), thereby enhancing its penetration capability. Furthermore, there exists an optimal total nose length that maximizes the head velocity while preventing necking and fracture of the penetrator.
- shaped charge warhead,
- underwater shock wave,
- underwater explosion,
- explosively formed projectile,
- penetration,
- necking

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References(28)

References

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Effect of Torpedo Guidance Nose on Lethality of Shaped Charge Warhead

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