A Mixed Soft Elastohydrodynamic Lubrication Model With Interasperity Cavitation and Surface Shear Deformation

[+] Author and Article Information
Fanghui Shi, Richard F. Salant

Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332

J. Tribol 122(1), 308-316 (Apr 22, 1999) (9 pages) doi:10.1115/1.555358 History: Received February 03, 1998; Revised April 22, 1999
Copyright © 2000 by ASME
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Contact between moving rigid plane and stationary rough elastic surface
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Overall solution scheme
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Solution schemes for fluid mechanics and contact mechanics/deformation
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Schematic of sealing zone
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Lip seal finite element mesh
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Friction coefficient versus speed
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Film thicknesses and roughness ratio versus speed
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Contact and cavitation areas versus speed
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Contact and cavitation area distributions, Λ=0
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Contact and cavitation area distributions, Λ=5
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Contact and cavitation area distributions, Λ=90
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Force ratios and total normal force versus speed
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Reverse pumping rate versus speed
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Schematic of control volume




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