Articles with "nonlinear shallow" as a keyword



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Numerical investigation of Rossby waves for nonlinear shallow‐water equations on the sphere

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Published in 2019 at "Quarterly Journal of the Royal Meteorological Society"

DOI: 10.1002/qj.3504

Abstract: Although Rossby modes of the nonlinear shallow‐water system on the rotating sphere are suspected to be close to their counterpart for the non‐divergent barotropic vorticity equation, little is known about their properties. A numerical procedure… read more here.

Keywords: shallow water; non divergent; rossby; rossby modes ... See more keywords
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A Comparison of the Explicit and Implicit Hybridizable Discontinuous Galerkin Methods for Nonlinear Shallow Water Equations

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Published in 2019 at "Journal of Scientific Computing"

DOI: 10.1007/s10915-019-01007-z

Abstract: An explicit implementation of the hybridizable discontinuous Galerkin (HDG) method for solving the nonlinear shallow water equations is presented. We follow the common construction of the implicit HDG for nonlinear conservation laws, and then explain… read more here.

Keywords: nonlinear shallow; hybridizable discontinuous; discontinuous galerkin; water equations ... See more keywords
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Entropy Stable and Well-Balanced Discontinuous Galerkin Methods for the Nonlinear Shallow Water Equations

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Published in 2020 at "Journal of Scientific Computing"

DOI: 10.1007/s10915-020-01248-3

Abstract: The nonlinear shallow water equations (SWEs) are widely used to model the unsteady water flows in rivers and coastal areas, with extensive applications in ocean and hydraulic engineering. In this work, we propose entropy stable,… read more here.

Keywords: entropy stable; nonlinear shallow; water; water equations ... See more keywords
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Symmetry Reductions, Dynamical Behavior and Exact Explicit Solutions to a Class of Nonlinear Shallow Water Wave Equation

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Published in 2020 at "Qualitative Theory of Dynamical Systems"

DOI: 10.1007/s12346-020-00380-7

Abstract: By using Lie symmetry analysis and dynamical systems method for a class of nonlinear shallow water wave equation, the exact solutions based on the Lie group method are provided. Especially, the bifurcations and exact explicit… read more here.

Keywords: shallow water; nonlinear shallow; equation; water wave ... See more keywords
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The dynamic properties of solutions for a nonlinear shallow water equation

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Published in 2019 at "Boundary Value Problems"

DOI: 10.1186/s13661-019-1281-2

Abstract: The local well-posedness for the Cauchy problem of a nonlinear shallow water equation is established. The wave-breaking mechanisms, global existence, and infinite propagation speed of solutions to the equation are derived under certain assumptions. In… read more here.

Keywords: nonlinear shallow; dynamic properties; water equation; equation ... See more keywords