On unconditionally positive implicit time integration for the DG scheme applied to shallow water flows

DOI10.1002/fld.3921zbMath1455.65173OpenAlexW2120798238MaRDI QIDQ4965526

Andreas Meister, Sigrun Ortleb

Publication date: 6 March 2021

Published in: International Journal for Numerical Methods in Fluids (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/fld.3921

zbMATH Keywords

shallow water equationsimplicit time integrationwell-balancednesspositivity preservationDG methodPatankar trick

Mathematics Subject Classification ID

Hydrology, hydrography, oceanography (86A05) Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs (65M12) Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs (65M60)

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