RESEARCH PAPERS: System Response

Seismic Analysis of a Gyroscopic Mechanical System

[+] Author and Article Information
A. H. Soni, V. Srinivasan

School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, Okla. 74078

J. Vib., Acoust., Stress, and Reliab 105(4), 449-455 (Oct 01, 1983) (7 pages) doi:10.1115/1.3269127 History: Received June 28, 1982; Online November 23, 2009


The dynamic analysis of a gyroscopic mechanical system subjected to seismic excitation is presented. The gyroscopic system consists of a rigid rotor mounted on fluid film bearings. The seismic excitation subjects the base to translational as well as rotational motion. The analysis includes gyroscopic effects, Coriolis effects due to base rotation, and the stiffness and damping provided by the fluid film bearings. A numerical example is solved to show the importance of including the base rotation in the analysis.

Copyright © 1983 by ASME
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