Finite Element Analysis on Real Contact Area Based on Fractal Characterization

Abstract:

No surface in engineering is absolutely smooth. It is important to analyze and calculate the real contact area for a better understanding of friction, wear, lubrication and thermal conductance. To obtain the accurate real contact area between rough surface and smooth surface, a rough-non-rigid-smooth surface contact finite element model is proposed in which the rough surface is characterized by fracture theory. In finite element modeling and analyzing process, MATLABEXCEL and AutoCAD are used to process data, and the smooth surface is considered to be non-rigid body. Compared with the traditional modeling, this method can obtain data quickly and is closer to the actual situation.

• Periodical: Key Engineering Materials (Volumes 579-580)
• Pages: 517-522
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.579-580.517
• Online since: September 2013
• Authors: Jia Chun Wang, Bo Qiang Xing, Teng Zhao
• Keywords: Finite Element Analysis (FEA), Fractal Characterization, Real Contact Area, Rough-Smooth Surface Contact

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