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Numerical analysis of history-dependent variational–hemivariational inequalities with applications in contact mechanics
Journal article   Open access   Peer reviewed

Numerical analysis of history-dependent variational–hemivariational inequalities with applications in contact mechanics

Wei Xu, Ziping Huang, Weimin Han, Wenbin Chen and Cheng Wang
Journal of computational and applied mathematics, Vol.351, pp.364-377
05/01/2019
DOI: 10.1016/j.cam.2018.08.046
url
https://doi.org/10.1016/j.cam.2018.08.046View
Published (Version of record) Open Access

Abstract

This paper is devoted to numerical analysis of history-dependent variational– hemivariational inequalities arising in contact problems for viscoelastic material. We introduce both temporally semi-discrete approximation and fully discrete approximation for the problem, where the temporal integration is approximated by a trapezoidal rule and the spatial variable is approximated by the finite element method. We analyze the discrete schemes and derive error bounds. The results are applied for the numerical solution of a quasistatic contact problem. For the linear finite element method, we prove that the error estimation for the numerical solution is of optimal order under appropriate solution regularity assumptions.
Clarke subdifferential Contact mechanics Finite element method History-dependent operator Optimal order error estimate Variational–Hemivariational inequality

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