Geodesic
Simulation of a group impact on a heterogeneous target of finite thickness
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 14 (2021) no. 6, pp. 700-711.

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Numerical simulation of the processes of high-speed loading of homogeneous and heterogeneous targets by single projectiles, as well as by a group of projectiles with the same parameters in mass and momentum, has been carried out. Based on a comparison of the numerical simulation results for loading targets with different sets of projectiles, it is found that a projectile in the form of a ring knocks out the maximum hole in the target in terms of geometric dimensions, while a set of seven small disks removes the maximum mass from the target. The ring impact forms a continuous spall plate, which outruns the cloud of fragments of the destroyed material. Adding more than 5% of ceramics to the aluminum target volume does not allow the projectiles to penetrate through.
Keywords: impact, heterogeneous media, numerical simulation. 
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Alexander E. Kraus; Evgeny I. Kraus; Ivan I. Shabalin. Simulation of a group impact on a heterogeneous target of finite thickness. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 14 (2021) no. 6, pp. 700-711. http://geodesic.mathdoc.fr/item/JSFU_2021_14_6_a3/

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