Orthogonal Optimization Design of Shaped Charge Jet Structure and Numerical Simulation of its Penetration Ability

TIAN Kang; ZHU Jiaxuan; GUO Baoquan; DING Ning; QIAO Zhenghua; YAN Zhaoming

doi:10.15892/j.cnki.djzdxb.2024.06.002

Journal of Projectiles, Rockets, Missiles and Guidance >

2024 , Vol. 44 >Issue 6: 13 - 18

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2024.06.002

Orthogonal Optimization Design of Shaped Charge Jet Structure and Numerical Simulation of its Penetration Ability

TIAN Kang ¹^,² ,
ZHU Jiaxuan ¹^,² ,
GUO Baoquan ¹^,² ,
DING Ning ¹^,² ,
QIAO Zhenghua ¹^,² ,
YAN Zhaoming ³^,⁴

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¹ School of Mechanical and Electrical Engineering,North University of China,Taiyuan 030051,Shanxi,China
² Intelligent Weapons Research Institute,North University of China,Taiyuan 030051,Shanxi,China
³ School of Materials Science and Engineering,North University of China,Taiyuan 030051,Shanxi,China
⁴ College of Missile Engineering,Rocket Force University of Engineering,Xi’an 070051,Shaanxi, China

Received date: 2024-11-19

Online published: 2025-02-10

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Abstract

In order to investigate the influence of liner structure parameters on the formation of jet penetration charge (JPC) as well as the penetration ability and post-effect action of the formed JPC on ceramic composite target plates, this study adopts orthogonal experimental optimization to design the structure parameters of an equal-wall-thickness conical liner. The LS-DYNA software is utilized to conduct research on how warhead structure parameters (cone angle, thickness, length-to-diameter ratio) affect the characteristic parameters of JPC damage elements. Through range analysis, the combination of structure parameters that results in better JPC formation performance is obtained. Based on the optimized structure, the damage situation of JPC damage elements on composite targets is studied. The results showed that when the liner cone angle is 90°, the wall thickness is 2.5 mm, and the charge length-to-diameter ratio is 0.9, the penetration effect is better. At this time, the funnel pit diameter increased by 8.93%, the funnel pit depth increased by 3.7%, the average diameter of the hole increased by 8.29%, and the total penetration thickness increased by 9.88% after removing the target plate spacing. This research can provide a theoretical and technical basis for the design of rod-shaped jet liner structure parameters and for studying the penetration ability on ceramic composite target plates.

Key words： shaped charge jet; orthogonal optimization; parameter influence analysis; jet penetration; JPC molding; composite target plate

Cite this article

TIAN Kang , ZHU Jiaxuan , GUO Baoquan , DING Ning , QIAO Zhenghua , YAN Zhaoming . Orthogonal Optimization Design of Shaped Charge Jet Structure and Numerical Simulation of its Penetration Ability[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2024 , 44(6) : 13 -18 . DOI: 10.15892/j.cnki.djzdxb.2024.06.002

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