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TECHNICAL PAPERS

A Finite Element Analysis of Surface Pocket Effects in Hertzian Line Contact

[+] Author and Article Information
Jiaxin Zhao, Farshid Sadeghi

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907-1288

Harvey M. Nixon

Manager—Mechanical/Tribochemical Sciences, The Timken Company, Canton, OH 44706

J. Tribol 122(1), 47-54 (Jul 21, 1999) (8 pages) doi:10.1115/1.555328 History: Received January 04, 1999; Revised July 21, 1999
Copyright © 2000 by ASME
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References

Figures

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Comparison of contact pressure
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FEA grid with surface pocket
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Calculation of pocket volume
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Empty pocket volume change
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Contact pressure with empty pocket
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Subsurface Von Mises stress with empty pocket
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Lubricant pressure-volume model
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Diagram of pressure/force in the model
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Iteration process to get lubricant pressure
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Effects of pocket location on pressure profile on half space with DH lubricant model and elastic material model
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Subsurface Von Mises stress for central pocket with DH lubricant model and elastic material model
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Pressure profile on half space with JV lubricant model and elastic material model
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Subsurface Von Mises stress for central pocket with JV lubricant model and elastic material model
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Pressure profile on half space with JV lubricant model and ELKP material model
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Subsurface Von Mises stress for central pocket with JV lubricant model and ELKP material model
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Subsurface plastic strain for central pocket with JV lubricant model and ELKP material model
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Effects of pocket half span on pressure profile on half space
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Subsurface Von Mises stress for pocket half span of 144 μm
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Subsurface Von Mises stress with two lubricant filled pockets
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Subsurface Von Mises stress with two empty pockets
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Subsurface Von Mises stress for lubricant filled pocket with rotating cylinder
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Subsurface Von Mises stress for empty pocket with rotating cylinder
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Effects of rotation of cylinder on pressure profile
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Pressure profile with two pockets

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