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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

Whether or not smooth solutions to the 3D compressible magnetohydrodynamic (MHD) equations without magnetic diffusion are always global in time remains an extremely challenging open problem. No global well-posedness or stability result is…

偏微分方程分析 · 数学 2023-07-19 Jiahong Wu , Xiaoping Zhai

This paper investigates the non-resistive compressible magnetohydrodynamic (MHD) equations in $\mathbb{R}^2$. We establish the global existence and stability of classical solutions for initial data sufficiently close to a constant…

偏微分方程分析 · 数学 2026-05-22 Yi Zhu

Solutions to the compressible Euler equations in all dimensions have been shown to develop finite-time singularities from smooth initial data such as shocks and cusps. There is an extraordinary list of results on this subject. When the…

偏微分方程分析 · 数学 2025-07-10 Jiahong Wu , Fuyi Xu , Xiaoping Zhai

We consider the electron magnetohydrodynamics (MHD) equation on the 3D torus $\mathbb T^3$. For a given smooth vector field $H$ with zero mean and zero divergence, we can construct a weak solution $B$ to the electron MHD in the space…

偏微分方程分析 · 数学 2024-05-24 Mimi Dai

We study an anisotropic system arising in magnetohydrodynamics (MHD) in the whole space R^3 , in the case where there are no diffusivity in the vertical direction and only a small diffusivity in the horizontal direction (of size…

偏微分方程分析 · 数学 2017-08-15 Van-Sang Ngo

This paper is concerned with the Cauchy problem of the two-dimensional MHD system with magnetic diffusion. It was proved that the MHD equations have a unique global strong solution around the equilibrium state $(0, e_1)$. Furthermore, the…

偏微分方程分析 · 数学 2020-09-10 Zhouyu Li , Pan Liu , Pengcheng Niu

Hall magnetohydrodynamics (MHD) properties near a two-dimensional (2D) X-type magnetic neutral line in the steady state are considered via heuristic and rigorous developments. Upon considering the steady-state as the asymptotic limit of the…

等离子体物理 · 物理学 2009-11-13 Bhimsen K. Shivamoggi

We study the global existence of classical solutions for two-dimensional incompressible MHD system with only magnetic diffusion. By using the time-weighted lower-order energy and uniformly bounded higher-order energy estimates, we prove the…

偏微分方程分析 · 数学 2023-10-27 Yuanyuan Qiao

This paper investigates the stabilization effect of a background magnetic vorticity on electrically conducting fluids. By exploring the dissipation nature of the linearized equations, we prove the global existence of smooth solutions to the…

偏微分方程分析 · 数学 2023-11-16 Yuanyuan Qiao , Yi Zhou

This paper presents a global stability result on perturbations near a background magnetic field to the 2D incompressible magnetohydrodynamic (MHD) equations with only magnetic diffusion on the periodic domain. The stability result provides…

偏微分方程分析 · 数学 2024-02-16 Xiaoping Zhai

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

This paper studies the global existence of classical solutions to the two-dimensional incompressible magneto-hydrodynamical (MHD) system with only magnetic diffusion on the periodic domain. The approach is based on a time-weighted energy…

偏微分方程分析 · 数学 2018-08-29 Yi Zhou , Yi Zhu

In this article we study the global regularity of 2D generalized magnetohydrodynamic equations (2D GMHD), in which the dissipation terms are $- \nu (- \triangle)^{\alpha} u$ and $- \kappa (-\triangle)^{\beta} b$. We show that smooth…

偏微分方程分析 · 数学 2013-02-28 Chuong V. Tran , Xinwei Yu , Zhichun Zhai

This paper focuses on the 3D incompressible magnetohydrodynamic (MHD) equations with mixed partial dissipation and magnetic diffusion. Our main result assesses the global stability of perturbations near the steady solution given by a…

偏微分方程分析 · 数学 2019-06-13 Jiahong Wu , Yi Zhu

In this article we consider the stability threshold of the 2D magnetohydrodynamics (MHD) equations near a combination of Couette flow and large constant magnetic field. We study the partial dissipation regime with full viscous and only…

偏微分方程分析 · 数学 2023-09-04 Niklas Knobel , Christian Zillinger

A main result of this paper establishes the global stability of the 3D MHD equations with mixed partial dissipation near a background magnetic field in the domain $\Omega=\mathbb{T}^2\times\mathbb{R}$ with $\mathbb{T}^2=[0, 1]^2$. More…

偏微分方程分析 · 数学 2024-02-05 Xuemin Deng , Yuelong Xiao , Aibin Zang

We study the $2\frac{1}{2}$D electron magnetohydrodynamics (MHD): the electron MHD system that has $3$D magnetic field but is independent of $z$-variable. We establish a "half" strong ill-posedness result in $2\frac{1}{2}$D electron MHD…

偏微分方程分析 · 数学 2026-03-24 Xiaotong , Yang , Haoming Zhu

In this paper, we establish the global existence of smooth solutions of the three-dimensional MHD system for a class of large initial data. Both the initial velocity and magnetic field can be arbitrarily large in the critical norm.

偏微分方程分析 · 数学 2019-06-13 Yurui Lin , Huali Zhang , Yi Zhou

We study the global well-posedness of magnetohydrodynamic (MHD) equations. The hydrodynamic system consists of the Navier-Stokes equations for the fluid velocity coupled with a reduced from of the Maxwell equations for the magnetic field.…

偏微分方程分析 · 数学 2019-08-09 Chengfei Ai , Zhong Tan , Jianfeng Zhou
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