Free Vibration of Rectangular Plates Stiffened With Viscoelastic Beams

[+] Author and Article Information
K. Ohtomi

Mechanical Engineering Laboratory, Toshiba Research and Development Center, Kawasaki, Japan

J. Appl. Mech 52(2), 397-401 (Jun 01, 1985) (5 pages) doi:10.1115/1.3169060 History: Received May 01, 1984; Revised August 01, 1984; Online July 21, 2009


This investigation treats the free vibration of a simply supported rectangular plate, stiffened with viscoelastic beams. Using a convenient method in which the effects of beams are expressed with Dirac delta functions, the equation of motion can be expressed by only one equation. The frequency equation is obtained by applying the Laplace transformation to the equation of motion. The effects of the volume and the number of beams on the frequency and the logarithmic decrement are clarified.

Copyright © 1985 by ASME
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