Solution of the Elastohydrodynamic Finite Journal Bearing Problem

[+] Author and Article Information
K. P. Oh, K. H. Huebner

Department of Mechanical Research, Research Laboratories, General Motors Corporation, Warren, Mich.

J. of Lubrication Tech 95(3), 342-351 (Jul 01, 1973) (10 pages) doi:10.1115/1.3451827 History: Received January 04, 1972; Revised June 12, 1972; Online October 18, 2010


Finite-element techniques are applied to solve the elastohydrodynamic finite journal bearing problem. Reynolds’ equation for the fluid film and the three-dimensional elasticity equations for the bearing housing are solved simultaneously using a unique iteration scheme. The analysis yields the pressure distribution and the displacement distribution which satisfy the elastohydrodynamic requirements of realistic three-dimensional bearing geometries. From these distributions, important information such as the stresses in the bearing material and the minimum film thickness in the lubricant can be calculated. In the calculations it is assumed that the bearing operates with a constant-property lubricant and a linearly elastic bearing material. The solution procedure is applied to a typical problem and numerical results are presented.

Copyright © 1973 by ASME
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