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TECHNICAL PAPERS

A Comparison of Homogenization and Averaging Techniques for the Treatment of Roughness in Slip-Flow-Modified Reynolds Equation

[+] Author and Article Information
M. Jai

UMR 5585, Insa de Lyon Bt 401, 20 Av. A. Einstein, 69621 Villeurbanne Cedex, France

B. Bou-Saı̈d

UMR 5514, Insa de Lyon Bt 113, 20 Av. A. Einstein, 69621 Villeurbanne Cedex, France

J. Tribol 124(2), 327-335 (Jul 06, 2001) (9 pages) doi:10.1115/1.1402131 History: Received February 02, 2001; Revised July 06, 2001
Copyright © 2002 by ASME
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References

Figures

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Taper flat slider configuration for magnetic disk use
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Slider having checkered pattern roughness
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Homogenized pressure contours
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Averaged pressure contours
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Exact pressure contours (N1=40,N2=4)
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The exact solutions, N1=20,N2=2, and N1=80,N2=8, the homogenized and the averaged solutions in the longitudinal centerline
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The exact solution, N1=40,N2=4 and N1=80,N2=8, the homogenized and the averaged solutions in the transversal centerline
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Normalized load versus gas bearing number
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Slider with anisotropic roughness
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Homogenized field pressure
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Homogenized pressure contours
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Averaged field pressure
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Averaged pressure contours
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Exact field pressure (N1=40,N2=4)
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Exact pressure contours (N1=40,N2=4)
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The exact solutions, N1=40,N2=4 and N1=80,N2=8, the homogenized and the averaged solutions in the longitudinal centerline
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The exact solution, N1=40,N2=4 and N1=80,N2=8, the homogenized and the averaged solutions in the transversal centerline
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Normalized load versus gas bearing number
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Normalized load versus gas bearing number for different values of parameter ax=ay
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Normalized drag force versus gas bearing number for different values of parameter ax=ay
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Slider having stochastic roughness
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Homogenized pressure contours
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Averaged pressure contours
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Exact pressure contours
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The exact solutions, N1=10,N2=1, the homogenized and the averaged solutions in the longitudinal centerline
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The exact solution, N1=10,N2=1, the homogenized and the averaged solutions in the transversal centerline

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