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RESEARCH PAPERS

The Scattering of Shock Waves by Cylindrical Cavities in Liquids and Solids

[+] Author and Article Information
E. Y. Harper

The Bell Telephone Laboratories, Inc., Whippany, N. J.

J. Appl. Mech 38(1), 190-196 (Mar 01, 1971) (7 pages) doi:10.1115/1.3408742 History: Received December 05, 1969; Online July 12, 2010

Abstract

The scattering of a plane acoustic shock wave by a cylindrical cavity in an inviscid fluid medium is calculated numerically and compared with a recently obtained asymptotic expansion. In contrast to the scattering by a rigid cylinder, the cavity displays a distinctive shielding effect in the shadow region characterized by a peak exitation and an inverse logarithmic decay. Experimental results are presented which indicate a strong counterpart in plastic shock diffraction.

Copyright © 1971 by ASME
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