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In this paper and the companion paper [EJE2], we establish finite-time singularity formation for finite-energy strong solutions to the axi-symmetric $3D$ Euler equations in the domain $\{(x,y,z)\in\mathbb{R}^3:z^2\leq c(x^2+y^2)\}$ for some…

偏微分方程分析 · 数学 2017-12-27 Tarek M. Elgindi , In-Jee Jeong

A fluid-particle model is investigated in the present paper, which consists of the compressible Navier-Stokes equations coupled with the Vlasov equation though a nonlinear drag force. We consider the initial value problem for the…

偏微分方程分析 · 数学 2021-09-17 Hai-Liang Li , Ling-Yun Shou

This paper is devoted to the well-posedness theory of piston problem for compressible {combustion} Euler flows with physical ignition condition. A significant combustion phenomena called detonation will occur provided the reactant is…

偏微分方程分析 · 数学 2022-03-04 Kai Hu , Jie Kuang

We study the three-dimensional isothermal Euler equations with linear damping and an exterior potential. For sufficiently large damping, we prove global well-posedness for arbitrarily large initial data by combining a parabolic comparison…

偏微分方程分析 · 数学 2025-09-30 Young-Pil Choi , Houzhi Tang , Weiyuan Zou

In this work, we consider the interaction of a 3D incompressible fluid with a 2D flexible shell that occupies (a part of) the boundary of the fluid domain. We assume that the shell is perfectly elastic while the fluid is governed by the…

偏微分方程分析 · 数学 2026-05-15 Dominic Breit , Prince Romeo Mensah , Sebastian Schwarzacher , Pei Su

In this paper, we study the global Cauchy problem for a two-phase fluid model consisting of the pressureless Euler equations and the incompressible Navier-Stokes equations where the coupling of two equations is through the drag force. We…

偏微分方程分析 · 数学 2021-10-04 Young-Pil Choi , Jinwook Jung

In this paper, we consider the initial-boundary value problem of the nonhomogeneous primitive equations with density-dependent viscosity. Local well-posedness of strong solutions is established for this system with a natural compatibility…

偏微分方程分析 · 数学 2024-04-29 Quansen Jiu , Lin Ma , Fengchao Wang

This paper deals with the longstanding quest of the possible existence of finite-time singularities in the equations governing the dynamics of inviscid fluids, namely, Euler equations. Here, two contributions are brought for the case of…

流体动力学 · 物理学 2026-05-19 Mokhtar Adda-Bedia , Sergio Rica

We give a rigorous, quantitative derivation of the incompressible Euler equation from the many-body problem for $N$ bosons on $\mathbb{T}^d$ with binary Coulomb interactions in the semiclassical regime. The coupling constant of the…

偏微分方程分析 · 数学 2021-10-11 Matthew Rosenzweig

We consider the isentropic compressible Euler system in 2 space dimensions with pressure law $p({\rho}) = {\rho}^2$ and we show the existence of classical Riemann data, i.e. pure jump discontinuities across a line, for which there are…

偏微分方程分析 · 数学 2014-08-26 Elisabetta Chiodaroli , Camillo De Lellis , Ondrej Kreml

In this paper, we consider the Cauchy problem to the Ericksen-Leslie system of liquid crystals in $\mathbb R^3$. Global well-posedness of strong solutions are obtained under the condition that the product of $\|u_0\|_2+\|\nabla d_0\|_2$ and…

偏微分方程分析 · 数学 2014-04-15 Wenya Ma , Jinkai Li , Huajun Gong

We study the global existence of a unique strong solution and its large-time behavior of a two-phase fluid system consisting of the compressible isothermal Euler equations coupled with compressible isentropic Navier-Stokes equations through…

偏微分方程分析 · 数学 2016-07-04 Young-Pil Choi

In this paper, we study the isothermal gas dynamics. We first establish the global existence of strong solutions to the one-dimensional isothermal Navier-Stokes system for smooth initial data without any smallness conditions, assuming that…

偏微分方程分析 · 数学 2025-05-22 Saehoon Eo , Namhyun Eun , Moon-Jin Kang , HyeonSeop Oh

The Euler-Navier-Stokes (E-NS) system arises as a macroscopic description of kinetic-fluid interactions, derived from the local-Maxwellian closure of the Vlasov-Fokker-Planck-Navier-Stokes flow. In this paper, we investigate the singular…

偏微分方程分析 · 数学 2025-12-11 Mingwen Fei , Ling-Yun Shou , Houzhi Tang

This paper investigates the well-posedness of contact discontinuity solutions and the vanishing pressure limit for the Aw-Rascle traffic flow model with general pressure functions. The well-posedness problem is formulated as a free boundary…

偏微分方程分析 · 数学 2025-06-10 Zijie Deng , Wenjian Peng , Tian-Yi Wang , Haoran Zhang

We discuss in this short note the local-in-time strong well-posedness of the compressible Navier-Stokes system for non-Newtonian fluids on the three dimensional torus. We show that the result established recently by Kalousek, M\'{a}cha, and…

偏微分方程分析 · 数学 2025-02-27 Hind Al Baba , Bilal Al Taki , Amru Hussein

We prove that the 3-D compressible Euler equations with surface tension along the moving free-boundary are well-posed. Specifically, we consider isentropic dynamics and consider an equation of state, modeling a liquid, given by Courant and…

偏微分方程分析 · 数学 2012-08-15 Daniel Coutand , Jason Hole , Steve Shkoller

The primitive equations (PEs) model large scale dynamics of the oceans and the atmosphere. While it is by now well-known that the three-dimensional viscous PEs is globally well-posed in Sobolev spaces, and that there are solutions to the…

偏微分方程分析 · 数学 2021-12-21 Charles Collot , Slim Ibrahim , Quyuan Lin

We study a three-dimensional barotropic compressible Navier-Stokes flow interacting with a viscoelastic shell that occupies a portion of the fluid boundary. The analysis is entirely Eulerian and the moving interface is parametrised by a…

偏微分方程分析 · 数学 2025-10-07 Pierre Marie Ngougoue Ngougoue

Local existence and well posedness for a class of solutions for the Euler Poisson system is shown. These solutions have a density $\rho$ which either falls off at infinity or has compact support. The solutions have finite mass, finite…

偏微分方程分析 · 数学 2017-09-26 Uwe Brauer , Lavi Karp