Thermally Induced Stress Waves in an Elastic Layer

[+] Author and Article Information
C. Sve

Aerodynamics and Propulsion Research Laboratory, The Aerospace Corporation, El Segundo, Calif.

J. Miklowitz

Department of Applied Mechanics, California Institute of Technology, Pasadena, Calif.

J. Appl. Mech 40(1), 161-167 (Mar 01, 1973) (7 pages) doi:10.1115/1.3422917 History: Received September 01, 1971; Revised May 01, 1972; Online July 12, 2010


A solution is presented for the stress-wave response of a partially transparent infinite elastic layer subjected to electromagnetic radiation. The radiation is assumed to be deposited with a radial Gaussian distribution in a time short compared with thermal diffusion times. The development is based on the equations of uncoupled dynamic thermoelasticity with heat conduction neglected. Laplace and Hankel transform techniques provide the formal solution and numerical integration of the resulting expressions yields the time-dependent stress distributions in the layer. Several examples are included that illustrate the significance of the dynamic effects and their dependence on the radial coordinate and heating time.

Copyright © 1973 by ASME
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