Multidimensional approximate Riemann solvers for hyperbolic nonconservative systems. Applications to shallow water systems
Journal of Computational Physics(2021)
Abstract
This paper deals with the development of efficient incomplete multidimensional Riemann solvers for hyperbolic systems. Departing from a four-waves model for the speeds of propagation arising at each vertex of the computational structured mesh, we present a general strategy for constructing genuinely multidimensional Riemann solvers, that can be applied for solving systems including source and coupling terms.
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Key words
Hyperbolic systems,Multidimensional Riemann solvers,Nonconservative problems,Shallow water equations
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