Combined finite element–boundary element method modelling of elastic multi-asperity contacts (original) (raw)

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 2009

Abstract

ABSTRACT A novel formulation of elastic multi-asperity contacts based on the boundary element method (BEM) is presented for the first time, in which the influence coefficients are numerically calculated using a finite element method (FEM). The main advantage of computing the influence coefficients in this manner is that it makes it also possible to consider an arbitrary load direction and multilayer systems of different mechanical properties in each layer. Furthermore, any form of anisotropy can be modelled too, where Green's functions either become very complicated or are not available at all.

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