Calculation model for a high-velocity projectile penetrating a ceramiccomposite target

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Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (1) : 223-229.

YIN Wenjun1,3, CHENG Yihao1, SONG Chunming1,2, WANG Mingyang1,2, #br# GAO Fei1,2, WEN Desheng1#br# 

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Abstract

Aiming at a flat-nosed projectile with high velocity impacting a ceramic composite target, the calculation model based on the lumped mass method was improved by considering target's internal friction effects. The theoretical computing model for the projectile's penetrating process was established and the algorithm was developed by using MATLAB to calculate the depth of the projectile's penetrating the ceramiccomposile target under different impact velocity. The results were compared with those of tests and those of numerical simulation with AUTODYN, they agreed well each other. Parametric analysis results showed that the anti-penetration ability of the composite target can be improved with increase in thickness of ceramic; the growth curve of the projectile penetration depth becomes flat with increase in initial impact velocity.

Key words

high-velocity impact / ceramic composite target / calculation model;numerical simulation；parameter analysis

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YIN Wenjun1,3, CHENG Yihao1, SONG Chunming1,2, WANG Mingyang1,2, . Calculation model for a high-velocity projectile penetrating a ceramiccomposite target[J]. Journal of Vibration and Shock, 2017, 36(1): 223-229

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