Author(s)

A. Sepponen & M. Tervonen

Abstract

Practical modelling and solution strategies in normal contact of multilayered anisotropic cylinders A. Sepponen, M. Tervonen Department of Mechanical Engineering, University of Oulu, Linnanmaa SF-90570 Oulu, Finland ABSTRACT The finite element method is applied to the contact of multilayered cylinders. Layer materials are assumed to be linearly elastic and much more resilient than the core of the cylinders. The layers can therefore be modelled as superelements. The penalty function method is used to satisfy the boundary conditions at the contact surfaces. The full Newton-Raphson iteration scheme is applied to solve nonlinear equations. This study considers certain aspects in the design of the finite element mesh for the contact problem. Numerical experiments were used to generate an explicit equation for estimating the width of the segment of the cylinder needed for analysis. INTRODUCTION The numerical solution of contact problems has been an object of extensive study

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