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Random walk model of impact phenomena

✍ Scribed by Bruce J. West; Michael Shlesinger

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
980 KB
Volume
127
Category
Article
ISSN
0378-4371

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✦ Synopsis

A model of the permanent distortion of an elastic material due to high velocity projectile impact is described using a random walk model, with unusual temporal statistics, of the transport of dislocations.

The biased motion of dislocations in a stress field and also in a random environment is considered.

A temperature dependence for certain scaling exponents is derived. The experimentally observed scaling of the total integrated momentum as well as the scaling of the penetration and strength of the shock wave with time are obtained with this model.

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