Modeling Dynamic Fracture Following High
Shock Compression
Author(s)
J. Eftis, C. Carrasco & R. Osegueda
Abstract
Constitutive-microdamage equations are developed that are capable of
simulating thermo-mechanical material behavior following high shock
compression, dilatation, microdamage evolution and fracture, caused by
projectile-target impact at hypervelocity.
1 Introduction
Impact at hypervelocity of a target plate by a projectile can cause various types
of damage, e.g. cratering and spall fractures, fragmentation of projectile and the
impact area of the target, and formation of high velocity debris clouds that may
include melting and vaporization of projectile and target materials [1-5]. The
most dominant of the factors that determine the damage outcome are the impact
velocity, the ratio of the projectile diameter to thickness of the target, and the
thermomecha
Keywords
Related Book
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