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Discontinuous Galerkin methods for solving a hyperbolic inequality
Journal article   Peer reviewed

Discontinuous Galerkin methods for solving a hyperbolic inequality

Fei Wang and Weimin Han
Numerical methods for partial differential equations, Vol.35(3), pp.894-915
05/01/2019
DOI: 10.1002/num.22330

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Abstract

In this paper, we study spatially semi-discrete and fully discrete schemes to numerically solve a hyperbolic variational inequality, with discontinuous Galerkin (DG) discretization in space and finite difference discretization in time. Under appropriate regularity assumptions on the solution, a unified error analysis is established for four DG schemes, which reaches the optimal convergence order for linear elements. A numerical example is presented, and the numerical results confirm the theoretical error estimates.
Mathematics Mathematics, Applied Physical Sciences Science & Technology

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