Abstract
The object of this work is to deal with frictional contact problems in the mechanisms. The classical approach consist in modelling the contact by using penalized methods. The contact forces are then considered as external forces defined by some regularized contact laws. ■ stiff system of differential equations; ■ oscillations of the contact forces and of the accelerations; ■ sticking is not correctly modelled because a regularized Coulomb law is used. In order to avoid these problems, we have chosen to implement a frictional contact model based on unilateral contact theory. This work details the implementation of this approach, while trying to highlight its advantages and its drawbacks.KeywordsContact ForceFrictional ContactNormal Contact ForceUnilateral ConstraintRestitution CoefficientThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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