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Related papers: Fast rotation limit for the 2-D non-homogeneous in…

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We show that for realistic equations of state of dense matter, the universal proportionality factor relating the maximum rotation rate of neutron stars due to mass-shedding limit to the mass and radius of maximum allowable mass…

Astrophysics · Physics 2009-10-28 J. -P. Lasota , P. Haensel , M. A. Abramowicz

In this paper, we show the existence of a family of compactly supported smooth vorticities, which are solutions of the 2D incompressible Euler equation and rotate uniformly in time and space.

Analysis of PDEs · Mathematics 2018-08-09 Angel Castro , Diego Córdoba , Javier Gómez-Serrano

We prove that the divergence-free component of the compressible Euler equations with solid-wall boundary condition converges strongly towards the incompressible Euler equations at the same order as the Mach number. General initial data are…

Analysis of PDEs · Mathematics 2010-11-04 Bin Cheng

We give sufficient conditions on the regularity of solutions to the inhomogeneous incompressible Euler and the compressible isentropic Euler systems in order for the energy to be conserved. Our strategy relies on commutator estimates…

Analysis of PDEs · Mathematics 2016-12-21 Eduard Feireisl , Piotr Gwiazda , Agnieszka Świerczewska-Gwiazda , Emil Wiedemann

In this work we prove the weighted Gevrey regularity of solutions to the incompressible Euler equation with initial data decaying polynomially at infinity. This is motivated by the well-posedness problem of vertical boundary layer equation…

Analysis of PDEs · Mathematics 2016-11-24 Feng Cheng , Wei-Xi Li , Chao-Jiang Xu

The motion of a compressible inviscid radiative flow can be described by the radiative Euler equations, which consists of the Euler system coupled with a Poisson equation for the radiative heat flux through the energy equation. Although…

Analysis of PDEs · Mathematics 2024-09-24 Huijiang Zhao , Boran Zhu

We consider the motion of several solids in a bounded cavity filled with a perfect incompressible fluid, in two dimensions. The solids move according to Newton's law, under the influence of the fluid's pressure, and the fluid dynamics is…

Analysis of PDEs · Mathematics 2019-10-09 Olivier Glass , Franck Sueur

This paper focuses on the study of the density-dependent incompressible Euler equations in space dimension $d=2$, for low regularity (\textsl{i.e.} non-Lipschitz) initial data satisfying assumptions in spirit of the celebrated Yudovich…

Analysis of PDEs · Mathematics 2025-07-01 Francesco Fanelli

We establish the existence of solutions of the 2D incompressible non-homogeneous Euler equations with $C^{0}_{t}C^{1,\,\sqrt{\frac{4}{3}}-1-\varepsilon}_{x}\cap C^{0}_{t}L^{2}_{x}$ source terms that develop a singularity in finite time. In…

Analysis of PDEs · Mathematics 2026-05-29 Diego Córdoba , Andrés Laín-Sanclemente , Luis Martínez-Zoroa

We study the motion of an ideal incompressible fluid in a perforated domain. The porous medium is composed of inclusions of size $a$ separated by distances $\tilde d$ and the fluid fills the exterior. We analyse the asymptotic behavior of…

Analysis of PDEs · Mathematics 2022-10-12 Matthieu Hillairet , Christophe Lacave , Di Wu

In the present paper, we study the combined incompressible and fast rotation limits for the full Navier-Stokes-Fourier system with Coriolis, centrifugal and gravitational forces, in the regime of small Mach, Froude and Rossby numbers and…

Analysis of PDEs · Mathematics 2021-02-24 Daniele Del Santo , Francesco Fanelli , Gabriele Sbaiz , Aneta Wróblewska-Kamińska

A compactness framework is established for approximate solutions to subsonic-sonic flows governed by the steady full Euler equations for compressible fluids in arbitrary dimension. The existing compactness frameworks for the two-dimensional…

Analysis of PDEs · Mathematics 2015-07-28 Gui-Qiang G. Chen , Fei-Min Huang , Tian-Yi Wang

This paper addresses the problem of energy conservation for the two- and three-dimensional density-dependent Euler equations. Two types of sufficient conditions on the regularity of solutions are provided to ensure the conservation of total…

Analysis of PDEs · Mathematics 2018-10-12 Robin Ming Chen , Cheng Yu

We consider rotational initial data for the two-dimensional incompressible Euler equations on an annulus. Using the convex integration framework, we show that there exist infinitely many admissible weak solutions (i.e. such with…

Analysis of PDEs · Mathematics 2015-06-15 Claude Bardos , László Székelyhidi , Emil Wiedemann

We consider the incompressible 2D Euler equation in an infinite cylinder $\mathbb{R}\times \mathbb{T}$ in the case when the initial vorticity is non-negative, bounded, and compactly supported. We study $d(t)$, the diameter of the support of…

Analysis of PDEs · Mathematics 2019-02-20 Kyudong Choi , Sergey Denisov

In this paper, we justify the low Mach number limit of the steady irrotational Euler flows for the airfoil problem, which is the first result for the low Mach number limit of the steady Euler flows in an exterior domain. The uniform…

Analysis of PDEs · Mathematics 2019-01-15 Mingjie Li , Tian-Yi Wang , Wei Xiang

The relaxation limit in critical Besov spaces for the multidimensional compressible Euler equations is considered. As the first step of this justification, the uniform (global) classical solutions to the Cauchy problem with initial data…

Analysis of PDEs · Mathematics 2011-09-20 Jiang Xu , Zejun Wang

We study the asymptotic behavior of solutions of the two dimensional incompressible Euler equations in the exterior of a curve when the curve shrinks to a point. This work links two previous results: [Iftimie, Lopes Filho and Nussenzveig…

Analysis of PDEs · Mathematics 2011-02-07 Christophe Lacave

We prove the global well-posedness and scattering for the 3D incompressible Euler-Coriolis system with sufficiently small, regular and suitably localized initial data. Equivalently, we obtain the asymptotic stability for "rigid body"…

Analysis of PDEs · Mathematics 2024-08-14 Xiao Ren , Gang Tian

We construct solutions of the 2D incompressible Euler equations in $\mathds{R}^2\times [0,\infty)$ such that initially the velocity is in the super-critical Sobolev space $H^\beta$ for $1<\beta<2$, but are not in $H^{\beta'}$ for…

Analysis of PDEs · Mathematics 2023-09-08 Diego Córdoba , Luis Martínez-Zoroa , Wojciech Ożański