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TECHNICAL PAPERS

Finite Element Mass-Conserving Cavitation Algorithm in Pure Squeeze Motion. Validation/Application to a Connecting- Rod Small End Bearing

[+] Author and Article Information
Virgil Optasanu, Dominique Bonneau

Laboratoire de Mécanique des Solides, University of Poitiers, CNRS UMR 6610, 4 Av. de Varsovie, 16021 Angoule⁁me, Cedex, France

J. Tribol 122(1), 162-169 (Jun 09, 1999) (8 pages) doi:10.1115/1.555339 History: Received February 03, 1999; Revised June 09, 1999
Copyright © 2000 by ASME
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References

Figures

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Geometry of the parabolic plates
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Film regions: Ω0=cavitation region, Ω=full film region, Ω*=cavitation boundary
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Four stages for the cavitation growth
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Dimensionless cavitation boundary position for several values of parameters
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Dimensionless cavitation interface position
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Comparison between results on cavitation interface position
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Comparison between history of mixture liquid rate at the center of the plates
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Pressure time-evolution
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Finite element mesh for the half connecting-rod small end and its shaft
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Polar load diagram at 2000 rev/min
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Maximum pressure evolution
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Comparison on film pressure, film thickness and radial deformations at 370 degrees crank shaft
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Influence of the piezoviscosity on the minimum film thickness at 2000 rev/min
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Influence of the piezoviscosity on pressure and film thickness fields for elastic assumptions on both connecting rod and shaft (at 360 degrees crank shaft)

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