Damped Response of Shells by a Constrained Viscoelastic Layer

[+] Author and Article Information
M. El-Raheb, P. Wagner

Technical Staff, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, Calif. 91109

J. Appl. Mech 53(4), 902-908 (Dec 01, 1986) (7 pages) doi:10.1115/1.3171879 History: Received October 07, 1985; Online July 21, 2009


Vibration absorbers are introduced into an asymmetric configuration of thin cylinders and tori enclosing an acoustic medium. The absorbers consist of thin axial strips bonded to the cylinder with a thin viscoelastic layer. The constrained layer dissipates the energy of relative motions between strip and cylinder. The absorber is most effective on response modes with two or more circumferential waves. The use of transfer matrices is extended to the coupled cylinder-absorber system.

Copyright © 1986 by ASME
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