Mechanical Engineering Journal
Online ISSN : 2187-9745
ISSN-L : 2187-9745
Recent Advances in Materials and Processing
Dynamic simulations of projectile penetration into granular medium
Kinya OGAWAShinnosuke TAKEDAHidetoshi KOBAYASHI
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2015 Volume 2 Issue 1 Pages 14-00427

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Abstract

Dynamic FEM and DEM simulations are carried out to investigate dynamic penetration of a projectile into a target of granular medium. Spatial distribution and time dependence of ejecta are clarified together with their trajectories in medium. Highly densified region is generated just ahead of the projectile and propagates leaving rarefied regions. Force on the projectile is fully discussed in connection with dynamic behavior of granular target.

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© 2015 The Japan Society of Mechanical Engineers
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