Analysis of Combined Pressure-Shear Waves in an Elastic/Viscoplastic Material

Author:

Abou-Sayed A. S.1,Clifton R. J.2

Affiliation:

1. Terra Tek, Inc., Salt Lake City, Utah

2. Division of Engineering, Brown University, Providence, R. I.

Abstract

A numerical solution is presented for the case of symmetric impact of two skewed plates, modeled to represent 6061-T6 Aluminum. The main features of the solution are, except near the impact face, the same as in previous solutions based on a rate-independent theory. Free-surface velocity-time profiles are obtained for the target rear surface. These profiles indicate that the fine structure of the normal velocity should be resolvable by means of a laser velocity-interferometer.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

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