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Analysis of two active set type methods to solve unilateral contact problems

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  • Abide, Stéphane
  • Barboteu, Mikaël
  • Danan, David

Abstract

In this work two active set type methods are considered in order to solve a mathematical problem which describes the frictionless contact between a deformable body and a perfectly rigid obstacle, the so-called Signorini Problem. These methods are the primal dual active set method and the projection iterative method. Our aim, here, is to analyze these two active set type methods and to carry out a comparison with the well-known augmented Lagrangian method by considering two representative contact problems in the case of large and small deformation. After presenting the mechanical formulation in the hyperelasticity framework, we establish weak formulations of the problem and the existence result of the weak solution is recalled. Then, we give the finite element approximation of the problem and a description of the numerical methods is presented. The main result of this work is to provide a convergence result for the projection iterative method. Finally, we present numerical simulations which illustrate the behavior of the solution and allow the comparison of the numerical methods.

Suggested Citation

  • Abide, Stéphane & Barboteu, Mikaël & Danan, David, 2016. "Analysis of two active set type methods to solve unilateral contact problems," Applied Mathematics and Computation, Elsevier, vol. 284(C), pages 286-307.
    • Handle: RePEc:eee:apmaco:v:284:y:2016:i:c:p:286-307
    DOI: 10.1016/j.amc.2016.03.012
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    Cited by:

    1. Xu, Hao & Ju, Hehua & Yu, Meng, 2024. "An innovative joint-space dynamic theory for mobile multi-axis system with unilateral constraint," Applied Mathematics and Computation, Elsevier, vol. 479(C).

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