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JOURNALS // Vestnik Tomskogo Gosudarstvennogo Universiteta. Matematika i Mekhanika // Archive

Vestn. Tomsk. Gos. Univ. Mat. Mekh., 2010 Number 3(11), Pages 100–106 (Mi vtgu149)

MECHANICS

Peculiarities of multilayer target deformation by a long-rod projectile under normal and oblique impact

A. S. Zalepugina, S. A. Zelepuginba, V. A. Skripnyaka

a Tomsk State University, Department of Physics and Engineering
b Tomsk Scientific Center, Siberian Branch of the Russian Academy of Sciences

Abstract: Interaction between a long-rod projectile and a two-layer target consisting of a steel top layer and a reactive working layer under normal and oblique impact is numerically investigated within the framework of the elastic-plastic model. Formulas for mutual recalculation of a typical impactor size and initial impact velocity under the conditions of normal and oblique impact are developed.

Keywords: high velocity impact, numerical simulation, finite element method.

UDC: 539.3


Accepted: May 6, 2010



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