Tribology is in every sense of the word multidisciplinary. A multitude of different physical processes can occur simultaneously, often over widely varying time and length scales. The contact region between sliding bodies is a particularly interesting area, where thermal, mechanical, chemical, and electrical affects all play a role and interact in complex ways. Often our understanding of these phenomena is limited by the lack of a convenient methodology to model and solve such complex problems. The objective of this paper is to describe a new modeling and solution method that is relatively simple yet powerful enough to handle complex, multi-physics problems.

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