Perforation of aluminum plates by fragment simulating projectiles (FSP) | Zendy

Teresa Frąś | Zendy; L. Colard | Zendy; Piotr Pawłowski | Zendy

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Perforation of aluminum plates by fragment simulating projectiles (FSP)

Author(s) -

Teresa Frąś,

L. Colard,

Piotr Pawłowski

Publication year - 2015

Publication title -

the international journal of multiphysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.237

H-Index - 12

eISSN - 2048-3961

pISSN - 1750-9548

DOI - 10.1260/1750-9548.9.3.267

Subject(s) - projectile , perforation , smoothed particle hydrodynamics , materials science , finite element method , aluminium , structural engineering , fragment (logic) , ls dyna , ballistic limit , mechanics , composite material , physics , computer science , engineering , metallurgy , punching , programming language

The paper describes the ballistic impact test, in which fragment simulating projectiles (FSPs) of a 20-mm-diameter have been used against 40-mmthick plates made of an aluminum alloy AA7020-T651. To perforate plates, the projectiles must have reached a velocity higher than 890 m/s. Based on the performed ballistic test, the plugging failure mode is numerically modeled using the LS-DYNA software package. Results obtained due to the calculations in the Finite Element Method (FEM) are compared with the results from the Smoothed Particle Hydrodynamics (SPH). A condition of geometrical similarity between the target deformed experimentally and its numerical representation is introduced to evaluate the performed simulations

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