Statistical and fractal approaches for characterizing surface topography have been used widely in contact mechanics. In the present study, an attempt is made to compare between contact mechanics results obtained with statistical and fractal approaches to characterize surface topography. Specifically, a three-dimensional fractal surface was generated and statistical surface parameters were extracted using different sampling resolutions. Contact mechanics simulations were performed using the simulated fractal surface and statistical surfaces represented by the extracted statistical surface parameters. Purely elastic contact is studied in order to eliminate the influence of the individual asperity mechanical response on the obtained results. Therefore, differences in the simulated contact area and load can be related solely to the different approach employed for surface characterization. The influence of surface characterization approaches on the contact parameters and the resulting predictions is discussed in the contents of the presented results.
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World Tribology Congress III
September 12–16, 2005
Washington, D.C., USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4201-0
PROCEEDINGS PAPER
A Comparison of Elastic Contact Modeling Utilizing Statistical and Fractal Approaches
Lior Kogut,
Lior Kogut
University of Western Ontario, London, ON, Canada
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Robert L. Jackson
Robert L. Jackson
Auburn University, Auburn, AL
Search for other works by this author on:
Lior Kogut
University of Western Ontario, London, ON, Canada
Robert L. Jackson
Auburn University, Auburn, AL
Paper No:
WTC2005-63238, pp. 225-226; 2 pages
Published Online:
November 17, 2008
Citation
Kogut, L, & Jackson, RL. "A Comparison of Elastic Contact Modeling Utilizing Statistical and Fractal Approaches." Proceedings of the World Tribology Congress III. World Tribology Congress III, Volume 1. Washington, D.C., USA. September 12–16, 2005. pp. 225-226. ASME. https://doi.org/10.1115/WTC2005-63238
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