A semi-smooth newton method for elasto-plastic contact problems

• In this paper we reformulate the frictional contact problem for elasto-plastic bodies as a set of unconstrained, non-smooth equations. The equations are semi-smooth so that Pang's Newton method for B-differentiable equations can be applied. An algorithm based on this method is described in detail. An example demonstrating the efficiency of the algorithm is presented. © 2002 Elsevier Science Ltd. All rights reserved.

Nyckelord

Elasto-plasticity

Frictional contact

Newton method

Radial return

Semi-smooth equations

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