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RESEARCH PAPERS

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

Abstract

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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