A Factored Implicit Scheme for the Numerical Solution of the Reynolds Equation at Very Low Spacing

[+] Author and Article Information
J. W. White

Department of Mechanical and Aerospace Engineering, The University of Tennessee, Knoxville, Tenn.

A. Nigam

Mechanical Technology, Memorex Corporation, Recording Technology Center, Santa Clara, Calif.

J. of Lubrication Tech 102(1), 80-85 (Jan 01, 1980) (6 pages) doi:10.1115/1.3251442 History: Revised September 14, 1979; Online November 17, 2009


A factored implicit algorithm is developed for the numerical solution of the compressible Reynolds equation. The method is second-order time-accurate, noniterative and allows the calculation of finite width films while requiring only tridiagonal matrix inverses. A variable spacial grid is used which incorporates both numerical resolution as needed and efficiency of computation. The scheme should be especially useful for the calculation of low spacing (< 0.5 micron), high velocity lubricant flows as found in current magnetic recording applications. Numerical results are presented and discussed.

Copyright © 1980 by ASME
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