On enhanced descend algorithms for solving frictional multi-contact problems : applications to the Discrete Element Method

Details On enhanced descend algorithms for solving frictional multi-contact problems : applications to the Discrete Element Method On enhanced descend algorithms for solving frictional multi-contact problems : applications to the Discrete Element Method

2012-04-24

arxiv.org/abs/1204.5392v2

Mathematics

Numerical Analysis

Scientific paper

In this article, we present various numerical methods to solve multi-contact
problems within the Non-Smooth Discrete Element Method. The techniques
considered to solve the frictional unilateral conditions are based both on the
bi-potential theory and the Augmented Lagrangian theory. A new Newton method is
developed to improve the classical algorithms.

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