A very accurate Arbitrary Lagrangian–Eulerian meshless method for Computational Aeroacoustics
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A very accurate Arbitrary Lagrangian–Eulerian meshless method for Computational AeroacousticsData
2018Centro/Dpto/Entidade
Grupos de investigación-Grupo de Métodos Numéricos na EnxeñeríaCita bibliográfica
Ramírez, L., Nogueira, X., Khelladi, S., Krimi, A., & Colominas, I. (2018). A very accurate Arbitrary Lagrangian–Eulerian meshless method for Computational Aeroacoustics. Computer Methods in Applied Mechanics and Engineering, 342, 116-141. https://doi.org/10.1016/j.cma.2018.07.036
Resumo
[Abstract:] In this work, we propose a new meshless approach based on a Galerkin discretization of a set of conservation equations on an Arbitrary Lagrangian–Eulerian framework. In particular, we solve the Linearized Euler Equations, using Moving Least Squares as weight functions in the Galerkin discretization. Riemann solvers are introduced in the formulation for the discretization of the convective fluxes. Differently from a purely Lagrangian approach, as it is usual in SPH, the present method is able to work in both Eulerian and Lagrangian configurations, which allows using all the advantages of the Lagrangian approaches in the context of Computational Aeroacoustics.
Palabras chave
Meshless methods
Smoothed Particle Hydrodynamics
Moving Least Squares
Computational Aeroacoustics
Smoothed Particle Hydrodynamics
Moving Least Squares
Computational Aeroacoustics
Descrición
Versión aceptada de https://doi.org/10.1016/j.cma.2018.07.036
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Attribution-NonCommercial-NoDerivs 4.0 International (CC BY-NC-ND)