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Volume 40 Issue 3
Feb 2026
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Chinese Journal of High Pressure Physics  > 2026  >  40(3): 035101.
LIANG Zhouguang, FU Jianping, REN Kai, YANG Rui, SHI Junqing, WANG Bo, GAO Yueguang, CHEN Zhigang. Numerical Simulation Study on the Effect of the Wave Shaper on Shaped Charge Jet Formation in Centrally-Aperture Liners[J]. Chinese Journal of High Pressure Physics, 2026, 40(3): 035101. doi: 10.11858/gywlxb.20251104
Citation: LIANG Zhouguang, FU Jianping, REN Kai, YANG Rui, SHI Junqing, WANG Bo, GAO Yueguang, CHEN Zhigang. Numerical Simulation Study on the Effect of the Wave Shaper on Shaped Charge Jet Formation in Centrally-Aperture Liners[J]. Chinese Journal of High Pressure Physics, 2026, 40(3): 035101. doi: 10.11858/gywlxb.20251104
shu

Numerical Simulation Study on the Effect of the Wave Shaper on Shaped Charge Jet Formation in Centrally-Aperture Liners

doi: 10.11858/gywlxb.20251104
  • 1.

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

  • 2.

    Shandong Special Industry Group Co., Ltd., Zibo 255201, Shandong, China

  • 3.

    51 Detachment of 32272 Unit of Chinese People’s Liberation Army, Lanzhou 730000, Gansu, China

  • Received Date: 05 Jun 2025
  • Rev Recd Date: 30 Jun 2025
    • Available Online: 30 Jun 2025
  • Issue Publish Date: 05 Feb 2026
    Abstract
  • To investigate the role of wave shapers in small-caliber shaped charges, the effects of aligning wave shaper parameters with those of center-holed liners on detonation product leakage and jet penetration performance were studied. Based on the regular oblique reflection theory of detonation waves, quantitative relationships between wave shaper parameters and detonation wave initial incident angles/pressure distributions at various positions on the liner surface were derived. Systematic analysis using LS-DYNA software was conducted to reveal the influence patterns of wave shaper diameter and height on jet formation and penetration performance. The results show that adding wave shapers to center-holed liners effectively increases the collapse pressure on the liner, suppresses detonation product leakage, enhances energy utilization efficiency, and improves jet penetration performance. Jet penetration capability initially increases and then decreases with the increasing wave shaper diameter. Wave shaper height exhibits a multi-extremum response effect on jet performance. The largest penetration depth of 158.17 mm into 45 steel targets was achieved with a wave shaper diameter of 6 mm and a height of 4 mm, representing a 17.21% improvement compared to structures without wave shapers. These findings offer valuable insights for designing small-caliber shaped charge warheads.

     

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