Random Vibrations of Externally Damped Viscoelastic Timoshenko Beams With General Boundary Conditions

[+] Author and Article Information
M. P. Singh, A. S. Abdelnaser

Department of Engineering Science and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0219

J. Appl. Mech 60(1), 149-156 (Mar 01, 1993) (8 pages) doi:10.1115/1.2900737 History: Received April 03, 1991; Revised October 18, 1991; Online March 31, 2008


A complex mode approach is presented to analyze an externally damped viscoelastic Timoshenko beam subjected to distributed loads. The eigenfunctions of the original and adjoint equations are used to decouple the equations. Any conventional or nonstandard boundary conditions at beam ends can be handled with equal ease. Numerical response results are presented for random loads with spatial and temporal correlations.

Copyright © 1993 by The American Society of Mechanical Engineers
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