The Influence of Dissipative Heating on the Loss Factor of a Viscoelastically Damped Beam

[+] Author and Article Information
B. J. Korites, F. C. Nelson

Department of Mechanical Engineering, Tufts University, Medford, Mass.

J. Eng. Ind 91(4), 975-980 (Nov 01, 1969) (6 pages) doi:10.1115/1.3591783 History: Received December 19, 1968


The influence of dissipative heating on the loss factor of a beam with a constrained viscoelastic layer is examined analytically and experimentally for the case in which the extensional stiffness of the constraining layer is large compared to the shear stiffness of the viscoelastic layer. It is shown that the loss factor may be substantially reduced by dissipative heating under these conditions.

Copyright © 1969 by ASME
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