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Effect of Head Shape on the Penetration Capability of Fragment Simulation Projectile

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Strength of Materials Aims and scope

To explore the effect of head shape on the penetration capability of a fragment simulation projectile (FSP), single-stage kinetic energy penetration FSP with different head shapes was taken as the research object. The ballistic limit velocity (BLV) is used as the evaluation index in the study of experiments and numerical simulations. The nonlinear dynamic analysis finite element software LS-DYNA with the Lagrange algorithm is used in the simulation for FSP from 35CrMnSi steel penetrating target plates from 10CrNi3MoV (921A) steel of various thicknesses (3, 5, 8, and 10 mm). The ballistic experiment corresponding to the numerical simulation has been designed and carried out to verify the effectiveness of the numerical results. The results show that the values of BLV obtained through numerical simulation and ballistic experiment coincide well, and the average relative error in both is 7.14%. The research results provide a reference for designing FSPs and engineering applications of fragmentation kill warheads.

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Acknowledgments

The authors would like to acknowledge the financial support from the project supported by the Foundation Research Project of Shanxi Province under Grant No. 2021690 and Scientific and Technological Innovation Project of Shanxi Province under Grant No. 2020299.

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Authors and Affiliations

  1. School of Mechatronic Engineering, North University of China, Taiyuan, China

    Y. J. Xu, H. Wang & F. D. Dong

  2. Chongqing Hongyu Precision Industrial Co., Ltd, Chongqing, China

    Y. J. Xu

  3. Changzhi Military Representative Office of Beijing Military Representative Bureau, Changzhi, Shanxi, China

    N. N. Zheng

  4. No.208 Research Institute of China Ordnance Industries, Beijing, China

    F. D. Dong

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  1. Y. J. Xu
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  2. H. Wang
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Correspondence to Y. J. Xu.

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Translated from Problemy Mitsnosti, No. 5, p. 121, September – October, 2023.

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Xu, Y.J., Wang, H., Zheng, N.N. et al. Effect of Head Shape on the Penetration Capability of Fragment Simulation Projectile. Strength Mater 55, 974–985 (2023). https://doi.org/10.1007/s11223-023-00589-2

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