Grid Transformation and Adaption Techniques Applied in the Analysis of Cavitated Journal Bearings

[+] Author and Article Information
D. Vijayaraghavan, T. G. Keith

Department of Mechanical Engineering, University of Toledo, Toledo, Ohio 43606

J. Tribol 112(1), 52-59 (Jan 01, 1990) (8 pages) doi:10.1115/1.2920230 History: Received February 22, 1989; Online June 05, 2008


An existing cavitation algorithm (a numerical procedure that automatically predicts film rupture and reformation in bearings) is modified in this paper. Second order upwinding is used to difference the shear induced flow terms in the cavitated region. A grid transformation procedure using a body fitted coordinate system and grid adaption techniques are applied to the algorithm. Four statically loaded finite journal bearing cases are analyzed. The results are compared with the results obtained using a conventional grid. The advantage of these methods is demonstrated by obtaining equal or better accuracy with a coarser grid and by the consumption of smaller amounts of computer time.

Copyright © 1990 by The American Society of Mechanical Engineers
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