Stability of a Simply-Supported Beam Subjected to Randomly Spaced Moving Loads

[+] Author and Article Information
M. Kurihara, T. Shimogo

Keio University, Yokohama, Japan

J. Mech. Des 100(3), 507-513 (Jul 01, 1978) (7 pages) doi:10.1115/1.3453959 History: Received June 24, 1977; Online October 21, 2010


In this paper, vibration problems of a simply-supported elastic beam subjected to randomly spaced moving loads with a uniform speed are treated under the assumption that the input load sequence is a Poisson process. In the case in which the inertial effect of moving loads is taken into account, the stability problem relating to the speed and the mass of loads is dealt with, considering the inertia force, the centrifugal force, and the Coriolis force of the moving loads. As an analytical result a stability chart of the mean-squared deflection was obtained for the moving speed and the moving masses.

Copyright © 1978 by ASME
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