Numerical Simulation on Interface Defeat of Ceramic Armor Impacted by Long-rod Projectile

doi:10.3969/j.issn.1000-1093.2016.04.008

Abstract

Abstract: A numerical simulation model for ceramic target impacted by long-rod projectile (LRP) is established to investigate the influence of several factors on the interface defeat of ceramic armor by using finite element software AUTODYN. The reliabilities of parameters and algorithms of simulation method are verified. The main factors, such as LRP nose shape, cover plate and pre-stress of ceramics, are simulated in two-dimensional computational studies. The simulated results show that three nose-shapes of LRP have significant effects on interface defeat/penetration transition velocity. The degree of damage on the ceramic can be decreased and the interface defeat/penetration transition velocity can be improved by adding a cover plate and applying a pre-stress on ceramic.

Key words: ordnance science and technology, ceramic armor, interface defeat, numerical simulation

CLC Number:

O385

TAN Meng-ting, ZHANG Xian-feng, HE Yong, LIU Chuang, YU Xi, GUO Lei. Numerical Simulation on Interface Defeat of Ceramic Armor Impacted by Long-rod Projectile[J]. Acta Armamentarii, 2016, 37(4): 627-634.

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