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Dynamical calculation and analysis on penetration of target plates by truncated conical projectiles

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Abstract

In this paper, dynamical calculation and analysis are made on penetration of thin plates by truncated conical projectiles in terms of the needs of fuze designing. The impact velocity ranges from 200m/s ts to 1000m/s (including both low and high velocities). The target plates include the thin aluminium plate (metal) and the plywood (non-metal).

Because a strength effect of target plates is considered in the establishment of dynamical models, we solved the problem that some previous models were not suitable to lowvelocity impact, for example, M. Zaid and B. Paul's models.[1][2][3] By comparison of intertial effect with strength effect, we theoretically proved Zaid and Paul's experimental conclusion[3]: “Only when the impact velocity is more that 500m/s can the strength effect be neglected. Otherwise this effect can not be neglected”.

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References

  1. Zaid, M. and B. Paul, Mechanics of high speed projectile perforation.J. Franklin Institute,264 (1957), 117–125.

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  2. Zaid, M. and B. Paul, Oblique perforation of a thin plate by a truncated conical projectile.J. Franklin Institute,268 (1959), 24–44.

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  3. Paul, B. and M. Zaid, Normal perforation of a thin plate by truncated projectile,J. Franklin Institute,265 (1958), 317–336.

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  4. Awerbuch, J. and S. R. Bodner, Analysis of the mechanics of perforation of projectiles in metallic Plates,Int. J. Solids Structures.10 (1974), 671–684.

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  5. Woodward, R.L. and M.E. de Morton, Penetration of targets by flat-ended projectiles,Int. J. Mech. Sci. 18, (1976), 119–127.

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  6. Chien Wei-zang,Mechanics of Perforation, Book in Chinese No. 15034. 2753.

  7. Gao Shi-qiao, The Report of experiments and the designing of computer program, Dept. of Mechanical Engineering in Beijing Institute of Technology, April (1984).

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Authors and Affiliations

  1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai

    Gao Shi-qiao

  2. Beijing Institute of Technology, Beijing

    Wang Bao-xing

Authors
  1. Gao Shi-qiao
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  2. Wang Bao-xing
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Communicated by Chien Wei-zang

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Shi-qiao, G., Bao-xing, W. Dynamical calculation and analysis on penetration of target plates by truncated conical projectiles. Appl Math Mech 7, 1095–1100 (1986). https://doi.org/10.1007/BF01897211

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  • DOI: https://doi.org/10.1007/BF01897211

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