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C<sup>0</sup> Discontinuous Galerkin Methods for a Plate Frictional Contact Problem

C<sup>0</sup> Discontinuous Galerkin Methods for a Plate Frictional Contact Problem

Year:    2019

Author:    Fei Wang, Tianyi Zhang, Weimin Han

Journal of Computational Mathematics, Vol. 37 (2019), Iss. 2 : pp. 184–200

Abstract

Numerous Cdiscontinuous Galerkin (DG) schemes for the Kirchhoff plate bending problem are extended to solve a plate frictional contact problem, which is a fourth-order elliptic variational inequality of the second kind. This variational inequality contains a non-differentiable term due to the frictional contact. We prove that these C0 DG methods are consistent and stable, and derive optimal order error estimates for the quadratic element. A numerical example is presented to show the performance of the C0 DG methods; and the numerical convergence orders confirm the theoretical prediction.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/jcm.1711-m2017-0187

Journal of Computational Mathematics, Vol. 37 (2019), Iss. 2 : pp. 184–200

Published online:    2019-01

AMS Subject Headings:   

Copyright:    COPYRIGHT: © Global Science Press

Pages:    17

Keywords:    Variational inequality of fourth-order Discontinuous Galerkin method Plate frictional contact problem Optimal order error estimate.

Author Details

Fei Wang Email

Tianyi Zhang Email

Weimin Han Email

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