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Concrete Target Size Effect on Projectile Penetration
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 Title & Authors
Concrete Target Size Effect on Projectile Penetration
Kim, Seokbong; Yoo, Yohan;
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 Abstract
This paper deals with the effect of concrete target size on penetration of projectiles. We investigated the penetration depth and residual velocity of projectiles using the 2-D axial symmetric model. Most analysis were conducted with 13 kg projectile (striking velocity: 456.4 m/s) and concrete target with compressive strength of 39 MPa. This paper provided penetration depth (or residual velocity) versus ratio D/d (target diameter, D and projectile diameter, d). When the bottom of concrete cylinder was constrained, penetration depth converged to limit depth more than the ratio D/d of 36. The residual velocity of projectile with thin concrete target were investigated. The residual velocity was converged to specific velocity more than the ratio D/d of 16.
 Keywords
Impact;Penetration Depth;Concrete Target;Projectile;Residual Velocity;
 Language
Korean
 Cited by
1.
Numerical Study on Variation of Penetration Performance into Concrete with Reinforcement Modeling Methods, Journal of the Korea Society for Simulation, 2016, 25, 3, 97  crossref(new windwow)
 References
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D. J. Frew, M. J. Forrestal and J. D. Cargile, "The Effect of Concrete Target Diameter on Projectile Deceleration and Penetration Depth," Int. J. Impact Eng., Vol. 32, pp. 1584-1594, 2006. crossref(new window)

7.
S. B. Kim, Y. H. Yoo and H. J. Kim, "Numerical Study of Concrete Target Size Effect on Projectile Penetration," The 4th Int. Conf. on Design and Analysis of Protective Structures, P-T6-2, 2012.