English
Related papers

Related papers: Low Mach number limit for the isentropic Euler sys…

200 papers

Two compressible immiscible fluids in 1D and in the isentropic approximation are considered. The first fluid is surrounded and in contact with the second one. As the Mach number of the first fluid vanishes, we prove the rigorous convergence…

Analysis of PDEs · Mathematics 2015-09-08 Rinaldo M. Colombo , Graziano Guerra

In this paper we are interested in the upper bound of the lifespan estimate for the compressible Euler system with time dependent damping and small initial perturbations. We employ some techniques from the blow-up study of nonlinear wave…

Analysis of PDEs · Mathematics 2023-10-09 Ning-An Lai , Nico Michele Schiavone

We consider the compressible Euler system describing the motion of an ideal fluid confined to a straight layer $\Omega_{\delta}=(0,\delta)\times\mathbb{R}^2, \ \ \delta>0$. In the framework of dissipative measure-valued solutions, we show…

Analysis of PDEs · Mathematics 2020-01-28 Matteo Caggio , Bernard Ducomet , Sarka Necasova , Tong Tang

In this paper, we explore the low Mach number singular limit of the local-in-time strong solutions to the compressible primitive equations with gravity for general adiabatic coefficient. First we construct the uniform estimate for the…

Analysis of PDEs · Mathematics 2023-10-03 Pengcheng Mu

We study singular limit for scaled barotropic Euler system modelling a rotating, compressible and inviscid fluid, where Mach and Rossby numbers are proportional to a small parameter $\epsilon$. If the fluid is confined to an infinite slab,…

Analysis of PDEs · Mathematics 2019-07-17 Nilasis Chaudhuri

An all speed scheme for the Isentropic Euler equation is presented in this paper. When the Mach number tends to zero, the compressible Euler equation converges to its incompressible counterpart, in which the density becomes a constant.…

Mathematical Physics · Physics 2014-04-08 Pierre Degond , Min Tang

In this article we study the limit when $\alpha \to 0$ of solutions to the $\alpha$-Euler system in the half-plane, with no-slip boundary conditions, to weak solutions of the 2D incompressible Euler equations with non-negative initial…

Analysis of PDEs · Mathematics 2020-02-25 A. V. Busuioc , D. Iftimie , M. C. Lopes Filho , H. J. Nussenzveig Lopes

In this paper, we consider the compressible Navier--Stokes system around the constant equilibrium states and prove the unique existence of a global solution for arbitrarily large initial data in the scaling critical Besov space provided…

Analysis of PDEs · Mathematics 2023-04-11 Mikihiro Fujii

We consider two distinguished asymptotic limits of the Euler equations in a gravitational field, namely the incompressible and Boussinesq limits. Both these limits can be obtained as singular limits of the Euler equations under appropriate…

Numerical Analysis · Mathematics 2019-02-04 K. R. Arun , S. Samantaray

We consider the isentropic Euler equations of gas dynamics in the whole two-dimensional space and we prove the existence of a $C^\infty$ initial datum which admits infinitely many bounded admissible weak solutions. Taking advantage of the…

Analysis of PDEs · Mathematics 2019-03-26 Elisabetta Chiodaroli , Ondřej Kreml , Václav Mácha , Sebastian Schwarzacher

We analyse a bi-fluid isentropic compressible Navier-Stokes system with barotropic pressure laws in a two-phase framework with equal pressure and single velocity. We focus on the rigorous analysis of the low Mach number limit under…

Analysis of PDEs · Mathematics 2026-04-06 Cassandre Lebot

We design an energy-stable and asymptotic-preserving finite volume scheme for the compressible Euler system. Using the relative energy framework, we establish rigorous error estimates that yield convergence of the numerical solutions in two…

Numerical Analysis · Mathematics 2026-03-31 Megala Anandan , K. R. Arun , Amogh Krishnamurthy , Mária Lukáčová-Medvid'ová

By a combination of asymptotic ODE estimates and numerical Evans function calculations, we establish stability of viscous shock solutions of the isentropic compressible Navier--Stokes equations with $\gamma$-law pressure (i) in the limit as…

Analysis of PDEs · Mathematics 2017-06-09 Jeffrey Humpherys , Olivier Laffite , Kevin Zumbrun

An asymptotic preserving and energy stable scheme for the barotropic Euler system under the low Mach number scaling is designed and analysed. A velocity shift proportional to the pressure gradient is introduced in the convective fluxes,…

Numerical Analysis · Mathematics 2023-07-21 K. R. Arun , Rahuldev Ghorai , Mainak Kar

This paper is concerned with the low Mach and Rossby number limits of $3$D compressible rotating Euler equations with ill-prepared initial data in the whole space. More precisely, the initial data is the sum of a $3$D part and a $2$D part.…

Analysis of PDEs · Mathematics 2025-04-25 Mikihiro Fujii , Yang Li , Pengcheng Mu

For the Euler equations of isentropic gas dynamics in one space dimension, also knowns as p-system in Lagrangian coordinate, it is known that the density can be arbitrarily close to zero as time goes to infinity, even when initial density…

Analysis of PDEs · Mathematics 2014-10-14 Geng Chen , Ronghua Pan , Shengguo Zhu

We establish uniform regularity estimates with respect to the Mach number for the three-dimensional free surface compressible Navier-Stokes system in the case of slightly well-prepared initial data in the sense that the acoustic components…

Analysis of PDEs · Mathematics 2021-10-18 Nader Masmoudi , Frédéric Rousset , Changzhen Sun

In the work, we consider the zero Mach number limit of compressible primitive equations in the domain $\mathbb{R}^2 \times 2\mathbb{T}$ or $\mathbb{T}^2 \times 2\mathbb{T}$. We identify the limit equations to be the primitive equations with…

Analysis of PDEs · Mathematics 2022-08-05 Xin Liu , Edriss S. Titi

We prove the low Mach number limit from compressible Navier-Stokes-Fourier system with the general pressure law around a constant state on the torus $\mathbb{T}^N_a$. We view this limit as a special case of the weakly nonlinear-dissipative…

Analysis of PDEs · Mathematics 2024-06-19 Yuhan Chen , Guilong Gui , Zhen Hao , Ning Jiang

This paper concerns the low Mach number limit of weak solutions to the compressible Navier-Stokes equations for isentropic fluids in a bounded domain with a Navier-slip boundary condition. In \cite{DGLM99}, it has been proved that if the…

Analysis of PDEs · Mathematics 2017-05-04 Xiong Linjie