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We investigate a fluid-structure interaction system in which the dynamics of the fluid is described by the compressible Navier-Stokes equations, while the elastic structure is modeled by a damped plate equation. The fluid evolves in a…

偏微分方程分析 · 数学 2026-04-20 Kuntal Bhandari , Imene Aicha Djebour , Šárka Nečasová

We investigate the global well-posedness and large-time dynamics of the pressureless Euler--Monge--Amp\`ere (EMA) system with velocity damping in multidimensions, subject to radially symmetric initial data. We first establish the phenomenon…

偏微分方程分析 · 数学 2026-01-29 Kunhui Luan

In this paper we study the Cauchy problem associated to the Maxwell-Schr\"odinger system with a defocusing pure-power non-linearity. This system has many applications in physics, for instance in the description of a charged non-relativistic…

偏微分方程分析 · 数学 2021-07-06 Paolo Antonelli , Pierangelo Marcati , Raffaele Scandone

We consider the compressible Euler system for ideal gas flow in the absence of any forces except the internal thermodynamic pressure. In this setting, and in dimensions higher 1, it is known that wave-focusing can drive Euler solutions to…

偏微分方程分析 · 数学 2026-04-27 Helge Kristian Jenssen

In this paper, we consider the Cauchy problem of the isentropic compressible Navier-Stokes equations with degenerate viscosity and vacuum in $\mathbb{R}$, where the viscosity depends on the density in a super-linear power law(i.e.,…

偏微分方程分析 · 数学 2024-03-19 Yue Cao , Yachun Li , Shaojun Yu

In dimension $n=2$ and $3$, we show that for any initial datum belonging to a dense subset of the energy space, there exist infinitely many global-in-time admissible weak solutions to the isentropic Euler system whenever $1<\gamma\leq…

偏微分方程分析 · 数学 2021-03-09 Robin Ming Chen , Alexis F. Vasseur , Cheng Yu

We study the mathematical theory of second order systems with two species, arising in the dynamics of interacting particles subject to linear damping, to nonlocal forces and to external ones, and resulting into a nonlocal version of the…

偏微分方程分析 · 数学 2022-10-13 Marco Di Francesco , Simone Fagioli , Valeria Iorio

In this paper, we prove the existence and stability of subsonic flows for steady full Euler-Poisson system in a two dimensional nozzle of finite length when imposing the electric potential difference on non-insulated boundary from a fixed…

偏微分方程分析 · 数学 2013-09-16 Myoungjean Bae , Ben Duan , Chunjing Xie

We show global well-posedness in energy norm of the semi-relativistic Schr\"odinger-Poisson system of equations with attractive Coulomb interaction in ${\mathbb R}^3$ in the presence of pseudo-relativistic diffusion. We also discuss…

数学物理 · 物理学 2016-02-17 Walid Abou Salem , Thomas Chen , Vitali Vougalter

We consider a one-dimensional physical vacuum free boundary problem on the compressible Navier-Stokes-Riesz system for an attractive Riesz potential $|x|^{2s-1}/(2s-1)$ with $0<s<1/2$. It is proved that for the adiabatic constant $\gamma$…

偏微分方程分析 · 数学 2026-01-06 José A. Carrillo , Renjun Duan , Aneta Wróblewska-Kamińska , Junhao Zhang

Whether the 3D incompressible Euler equations can develop a singularity in finite time from smooth initial data is one of the most challenging problems in mathematical fluid dynamics. This work attempts to provide an affirmative answer to…

流体动力学 · 物理学 2015-06-17 Guo Luo , Thomas Y. Hou

We study a basic plasma physics model--the one-fluid Euler--Poisson system on the square torus, in which a compressible electron fluid flows under its own electrostatic field. In this paper we prove long-term regularity of periodic…

偏微分方程分析 · 数学 2019-10-07 Fan Zheng

An important problem in gas and fluid dynamics is to understand the behavior of vacuum states, namely the behavior of the system in the presence of vacuum. In particular, physical vacuum, in which the boundary moves with a nontrivial finite…

偏微分方程分析 · 数学 2010-05-26 Juhi Jang , Nader Masmoudi

We consider the 3D isentropic compressible Euler equations with the ideal gas law. We provide a constructive proof of shock formation from smooth initial datum of finite energy, with no vacuum regions, with nontrivial vorticity present at…

偏微分方程分析 · 数学 2020-06-24 Tristan Buckmaster , Steve Shkoller , Vlad Vicol

This is the first of a series of papers devoted to the initial value problem for the Euler system of compressible fluids and augmented versions containing higher-order terms. We encompass solutions that have finite total energy and enjoy a…

偏微分方程分析 · 数学 2012-12-24 Pierre Germain , Philippe G. LeFloch

We consider several pressureless variants of the compressible Euler equation driven by nonlocal repulsionattraction and alignment forces with Poisson interaction. Under an energy admissibility criterion, we prove existence of global…

偏微分方程分析 · 数学 2021-09-17 José A. Carrillo , Tomasz Dębiec , Piotr Gwiazda , Agnieszka Świerczewska-Gwiazda

The Navier-Stokes systems for compressible fluids with density-dependent viscosities are considered in the present paper. These equations, in particular, include the ones which are rigorously derived recently as the Saint-Venant system for…

偏微分方程分析 · 数学 2008-11-26 Hai-Liang Li , Jing Li , Zhouping Xin

The Euler-Poisson (EP) system describes the dynamic behavior of many important physical flows. In this work, a Riccati system that governs two-dimensional EP equations is studied. The evolution of divergence is governed by the Riccati type…

偏微分方程分析 · 数学 2022-10-05 Yongki Lee

We study the Ericksen-Leslie's parabolic-hyperbolic liquid crystal model in compressible flow. Inspired by our study for incompressible case \cite{Jiang-Luo-arXiv-2017} and some techniques from compressible Navier-Stokes equations, we prove…

偏微分方程分析 · 数学 2017-12-29 Ning Jiang , Yi-Long Luo , Shaojun Tang

This paper concerns the structural stability of smooth cylindrically symmetric supersonic Euler-Poisson flows in nozzles. Both three-dimensional and axisymmetric perturbations are considered. On one hand, we establish the existence and…

偏微分方程分析 · 数学 2025-03-21 Chunpeng Wang , Zihao Zhang