2017
DOI: 10.1137/16m1069274
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Study of a New Asymptotic Preserving Scheme for the Euler System in the Low Mach Number Limit

Abstract: Abstract. This article deals with the discretization of the compressible Euler system for all Mach numbers regimes. For highly subsonic flows, since acoustic waves are very fast compared to the velocity of the fluid, the gas can be considered as incompressible. From the numerical point of view, when the Mach number tends to zero, the classical Godunov type schemes present two main drawbacks: they lose consistency and they suffer of severe numerical constraints for stability to be guaranteed since the time step… Show more

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Cited by 55 publications
(64 citation statements)
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“…Several AP-schemes were designed in the last years for various types of problems, including anisotropic elliptic [13,14] or parabolic [28] equations, Vlasov equation in the hydrodynamic regime [19] or drift-diffusion regime [10,24], Vlasov equation in the high-field limit [11,23], Euler equation in the low-Mach regime [15,16]. Briefly, an APscheme is a numerical scheme specially designed for singularly-perturbed problems P , containing some small parameter 1, and which enjoy the following properties (see commutative diagram 1):…”
Section: Introductionmentioning
confidence: 99%
“…Several AP-schemes were designed in the last years for various types of problems, including anisotropic elliptic [13,14] or parabolic [28] equations, Vlasov equation in the hydrodynamic regime [19] or drift-diffusion regime [10,24], Vlasov equation in the high-field limit [11,23], Euler equation in the low-Mach regime [15,16]. Briefly, an APscheme is a numerical scheme specially designed for singularly-perturbed problems P , containing some small parameter 1, and which enjoy the following properties (see commutative diagram 1):…”
Section: Introductionmentioning
confidence: 99%
“…[11], [12]), and explicit-implicit flux splitting (see e.g. [13], [14], [15], [16]), constructed to allow for an efficient numerical solution of time-dependent problems. Another way to construct an all-speed algorithm is to develop an efficient way of solving the fully-implicit Euler system/NSEs.…”
Section: Introductionmentioning
confidence: 99%
“…The analysis [40,41,56,2,44,1] and the development of numerical methods [37,33,54,62,42,13,31,51,47,34,30,50,48,16,19,17,15,32,10,28,39,20,11,21] for the passage from compressible to incompressible gas dynamics has been and is still a very active field of research. The compressible Euler equations which describe conservation of density, momentum and energy in a fluid flow become stiff when the Mach number tends to zero.…”
Section: Introductionmentioning
confidence: 99%
“…However, this introduces strong drawbacks since the Mach number may become extremely small causing severe time step limitations. To circumvent these problems, in the recent past, asymptotic stable techniques have been developed [18,16,17,15,32,61,10,49,11,21]. These techniques permit to compute the solution of such stiff problems avoiding time step limitations directly related to the low Mach number regime.…”
Section: Introductionmentioning
confidence: 99%
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