NUMERICAL SIMULATION OF A SINGLE RING INFILTRATION EXPERIMENT WITH hp-ADAPTIVE SPACE-TIME DISCONTINUOUS GALERKIN METHOD

Authors

  • Vít Dolejší Charles University, Faculty of Mathematics and Physics, Sokolovská 83, 186 75 Prague, Czech Republic
  • Michal Kuráž Czech University of Life Sciences Prague, Faculty of Environmental Sciences, Department of Water Resources and Environmental Modeling, Kamýcká 129, 165 00 Prague, Czech Republic
  • Pavel Solin University of Nevada, College of Science, Department of Mathematics and Statistics, 1664 N Virginia St, NV 89557 Reno, USA

DOI:

https://doi.org/10.14311/AP.2021.61.0059

Keywords:

Richards equation, porous media flow, space-time discontinuous Galerkin method

Abstract

We present a novel hp-adaptive space-time discontinuous Galerkin (hp-STDG) method for the numerical solution of the nonstationary Richards equation equipped with Dirichlet, Neumann and seepage face boundary conditions. The hp-STDG method presented in this paper is a generalization of a hp-STDG method which was developed for time dependent non-linear convective-diffusive problems. We describe the method and the single ring experiment, and then we present a numerical experiment which clearly demonstrates the superiority of the hp-STDG method over a discontinuous Galerkin method based on a static fine mesh.

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Published

2021-02-10

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Section

Refereed Articles