A Well-Balanced SPH-ALE Scheme for Shallow Water Applications

Author:

Prieto-Arranz Alberto,Ramírez LuisORCID,Couceiro Iván,Colominas Ignasi,Nogueira Xesús

Abstract

AbstractIn this work, a new discretization of the source term of the shallow water equations with non-flat bottom geometry is proposed to obtain a well-balanced scheme. A Smoothed Particle Hydrodynamics Arbitrary Lagrangian-Eulerian formulation based on Riemann solvers is presented to solve the SWE. Moving-Least Squares approximations are used to compute high-order reconstructions of the numerical fluxes and, stability is achieved using the a posteriori MOOD paradigm. Several benchmark 1D and 2D numerical problems are considered to test and validate the properties and behavior of the presented schemes.

Funder

Ministerio de Ciencia, Innovación y Universidades

Xunta de Galicia

Consellería de Cultura, Educación e Ordenación Universitaria, Xunta de Galicia

Publisher

Springer Science and Business Media LLC

Subject

Computational Theory and Mathematics,General Engineering,Theoretical Computer Science,Software,Applied Mathematics,Computational Mathematics,Numerical Analysis

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