Discontinuous Galerkin Methods for Solving Elliptic Variational Inequalities

  • Authors:
  • Fei Wang;Weimin Han;Xiao-liang Cheng

  • Affiliations:
  • wangfeitwo@163.com and xiaoliangcheng@zju.edu.cn;whan@math.uiowa.edu;-

  • Venue:
  • SIAM Journal on Numerical Analysis
  • Year:
  • 2010

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Abstract

We study discontinuous Galerkin methods for solving elliptic variational inequalities of both the first and second kinds. Analysis of numerous discontinuous Galerkin schemes for elliptic boundary value problems is extended to the variational inequalities. We establish a priori error estimates for the discontinuous Galerkin methods, which reach optimal order for linear elements. Results from some numerical examples are reported.