Transient Analysis of Gas-Lubricated Journal Bearing Systems by Differential Quadrature

[+] Author and Article Information
C. W. Bert, M. Malik

School of Aerospace and Mechanical Engineering, The University of Oklahoma, Norman, OK 73070-0601

J. Tribol 119(1), 91-99 (Jan 01, 1997) (9 pages) doi:10.1115/1.2832489 History: Received November 11, 1994; Revised March 06, 1996; Online January 24, 2008


This paper is an extension of an earlier work in which the present authors demonstrated the application of the differential quadrature method (DQM) to the steady-state analysis of incompressible and compressible lubrication problems. In the present work, the DQM is applied to the transient-state analysis of compressible lubrication problems. For this purpose, the analysis of gas-lubricated plain journal bearings under the conditions of nonuniform journal rotation is considered. The computed results from the solutions of the reference problem included in the paper provide a comparison of the convergence characteristics and computational efficiency of the differential quadrature and finite element methods.

Copyright © 1997 by The American Society of Mechanical Engineers
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