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Frąś T.♦, Colard L.♦, Pawłowski P., Perforation of aluminum plates by fragment simulating projectiles (FSP),
THE INTERNATIONAL JOURNAL OF MULTIPHYSICS, ISSN: 1750-9548, DOI: 10.1260/1750-9548.9.3.267, Vol.9, No.3, pp.267-286, 2015 Abstract:
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. Keywords:
Ballistic impact test, Fragment simulating projectile (FSP), Plugging failure mode, Smooth Particle Hydrodynamics (SPH), Optical scanning Affiliations:
| Frąś T. | - | other affiliation | | Colard L. | - | French-German Research Institute of Saint-Louis (FR) | | Pawłowski P. | - | IPPT PAN |
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