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This paper studies the global well-posedness of the incompressible magnetohydrodynamic (MHD) system with a velocity damping term. We establish the global existence and uniqueness of smooth solutions when the initial data is close to an…

偏微分方程分析 · 数学 2013-11-26 Jiahong Wu , Yifei Wu , Xiaojing Xu

We prove the existence of global-in-time weak solutions to a general class of models that arise from the kinetic theory of dilute solutions of nonhomogeneous polymeric liquids, where the polymer molecules are idealized as bead-spring chains…

偏微分方程分析 · 数学 2015-07-21 John W. Barrett , Endre Süli

In this paper, we consider the long time behavior for the solution of a class of variable coefficient wave equation with nonlinear damping and logarithmic source. The existence and uniqueness of local weak solution can be obtained by using…

偏微分方程分析 · 数学 2023-03-16 Pengxue Cui , Shuguan Ji

We obtain a global existence result for the three-dimensional Navier-Stokes equations with a large class of data allowing growth at spatial infinity. Namely, we show the global existence of suitable weak solutions when the initial data…

偏微分方程分析 · 数学 2020-01-08 Zachary Bradshaw , Igor Kukavica , Tai-Peng Tsai

We demonstrate the global existence of weak solutions to a class of semilinear strongly damped wave equations possessing nonlinear hyperbolic dynamic boundary conditions. Our work assumes $(-\Delta_W)^\theta \partial_tu$ with…

偏微分方程分析 · 数学 2018-12-27 Joseph L. Shomberg

This paper solves the global well-posedness and stability problem on a special $2\frac12$-D compressible viscous non-resistive MHD system near a steady-state solution. The steady-state here consists of a positive constant density and a…

偏微分方程分析 · 数学 2022-11-11 Boqing Dong , Jiahong Wu , Xiaoping Zhai

We consider an ensemble of classical particles coupled to a Klein-Gordon field. For the resulting nonlinear system of partial differential equations, which we call the relativistic Vlasov-Klein-Gordon system, we prove the existence of…

偏微分方程分析 · 数学 2009-11-07 Michael Kunzinger , Gerhard Rein , Roland Steinbauer , Gerald Teschl

We prove the existence of global weak solutions with finite energy to some two-fluid systems with magnetic field and the results suit for corresponding two-fluid systems. The proof method is mainly inspired by Novotn\'y et al. and Vasseur…

偏微分方程分析 · 数学 2021-11-09 Lin Ma , Boling Guo , Jie Shao

In this paper, we consider unsaturated poroelasticity, i.e., coupled hydro-mechanical processes in unsaturated porous media, modeled by a non-linear extension of Biot's quasi-static consolidation model. The coupled, elliptic-parabolic…

偏微分方程分析 · 数学 2019-09-17 Jakub Wiktor Both , Iuliu Sorin Pop , Ivan Yotov

We prove existence of weak solutions to the Cauchy problem corresponding to various strictly parabolic equations on a compact Riemannian manifold $(M,g)$. This also includes strictly parabolic equations with stochastic forcing with linear…

偏微分方程分析 · 数学 2024-09-02 Melanie Graf , Michael Kunzinger , Darko Mitrovich

In this paper, we study the problem of global existence of weak solutions for the quasi-stationary compressible Stokes equations with an anisotropic viscous tensor. The key element of our proof is the control of a particular defect measure…

偏微分方程分析 · 数学 2022-03-24 Didier Bresch , Cosmin Burtea

We prove the global-in-time existence of nonnegative weak solutions to a class of fourth order partial differential equations on a convex bounded domain in arbitrary spatial dimensions. Our proof relies on the formal gradient flow structure…

偏微分方程分析 · 数学 2015-07-21 Daniel Loibl , Daniel Matthes , Jonathan Zinsl

In this paper, we study the global well-posedness of a coupled system of kinetic and fluid equations. More precisely, we establish the global existence of weak solutions for Navier-Stokes-BGK system consisting of the BGK model of Boltzmann…

偏微分方程分析 · 数学 2018-01-26 Young-Pil Choi , Seok-Bae Yun

We consider a dissipative quantum fluid on the whole space $\mathbb{R}^d$ ($d\geq 1$) confined by an external harmonic potential. The dynamics of the quantum fluid is described by the Quantum Navier-Stokes (QNS) system which is a particular…

偏微分方程分析 · 数学 2025-09-24 Jérémy Faupin , Ingrid Lacroix-Violet , Julien Lequeurre

This work is devoted to prove existence of global weak solutions for a general isothermal model of capillary fluids derived by J.- E Dunn and J. Serrin (1985) [6], which can be used as a phase transition model. We improve the results of [5]…

偏微分方程分析 · 数学 2015-05-13 Boris Haspot

We examine a viscous Cahn-Hilliard phase-separation model with memory and where the chemical potential possesses a nonlocal fractional Laplacian operator. The existence of global weak solutions is proven using a Galerkin approximation…

偏微分方程分析 · 数学 2018-05-01 Eylem Öztürk , Joseph L. Shomberg

We show the existence of global-in-time weak solutions to a general class of coupled bead-spring chain models that arise from the kinetic theory of dilute solutions of nonhomogeneous polymeric liquids with noninteracting polymer chains,…

偏微分方程分析 · 数学 2011-12-21 John W. Barrett , Endre Süli

We construct global weak solutions to isothermal quantum Navier-Stokes equations, with or without Korteweg term, in the whole space of dimension at most three. Instead of working on the initial set of unknown functions, we consider an…

偏微分方程分析 · 数学 2023-12-04 Rémi Carles , Kleber Carrapatoso , Matthieu Hillairet

In this paper, we give a rigorous justification of the deviation of the primitive equations with only horizontal viscosity and magnetic diffusivity (PEHM) as the small aspect ratio limit of the incompressible three-dimensional scaled…

偏微分方程分析 · 数学 2023-08-08 Jie Zhang , Wenjun Liu

In this paper, we are concerned with the partial regularity of the suitable weak solutions to the fractional MHD equations in $\mathbb{R}^{n}$ for $n=2,\,3$. In comparison with the work of the 3D fractional Navier-Stokes equations obtained…

偏微分方程分析 · 数学 2016-09-21 Wei Ren , Yanqing Wang , Gang Wu
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