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RESEARCH PAPERS

An Experiment on Laser-Generated Stress Waves in a Circular Elastic Ring

[+] Author and Article Information
W. F. Hartman

Engineering Analysis Department, Sandia Laboratories, Sandia Corporation, Albuquerque, N. Mex.

M. J. Forrestal

Shock Simulation Department, Sandia Laboratories, Sandia Corporation, Albuquerque, N. Mex.

J. C. Bushnell

Sandia Laboratories, Sandia Corporation, Albuquerque, N. Mex.

J. Appl. Mech 39(1), 119-123 (Mar 01, 1972) (5 pages) doi:10.1115/1.3422598 History: Received August 04, 1970; Online July 12, 2010

Abstract

A circular, magnesium fluoride ring was irradiated with a Q-switched, neodymium-doped glass laser. The sudden absorption of laser energy by the ring produced an internal temperature distribution which could be closely approximated by a cosine function over half the circumference of the ring. The ensuing membrane strains were measured with semiconductor strain gages. Measured strain-time histories were found to be in close agreement with theoretical predictions.

Copyright © 1972 by ASME
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