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We consider the three-dimensional incompressible magnetohydrodynamics (MHD) equations in a bounded domain with small volume and free moving surface boundary. We establish a priori estimate for solutions with minimal regularity assumptions…

Analysis of PDEs · Mathematics 2022-07-05 Chenyun Luo , Junyan Zhang

We prove the global-in-time existence of H^2 solutions of the equations of compressible magnetohydrodynamics with zero magnetic resistivity in three space dimensions. Initial data are taken to be small in H^2 modulo a constant state and…

Analysis of PDEs · Mathematics 2020-11-16 Anthony Suen

We address the compressible magnetohydrodynamics (MHD) equations in $\mathbb{R}^3$ and establish a blow-up criterion for the local strong solutions in terms of the density only. Namely, if the density is away from vacuum ($\rho= 0$) and the…

Analysis of PDEs · Mathematics 2020-12-08 Anthony Suen

The equations of the three-dimensional viscous, compressible, and heat conducting magnetohydrodynamic flows are considered in a bounded domain. The viscosity coefficients and heat conductivity can depend on the temperature. A solution to…

Analysis of PDEs · Mathematics 2009-11-13 Xianpeng Hu , Dehua Wang

We are concerned with the uniform regularity estimates of solutions to the two dimensional compressible non-resistive magnetohydrodynamics (MHD) equations with the no-slip boundary condition on velocity in the half plane. Under the…

Analysis of PDEs · Mathematics 2021-08-31 Xiufang Cui , Shengxin Li , Feng Xie

We are concerned with the uniform regularity estimates and vanishing viscosity limit of solution to two dimensional viscous compressible magnetohydrodynamics (MHD) equations with transverse background magnetic field. When the magnetic field…

Analysis of PDEs · Mathematics 2022-09-23 Xiufang Cui , Shengxin Li , Feng Xie

This paper resolves the global regularity problem for the three-dimensional compressible magnetohydrodynamics (MHD) equations in the three-dimensional whole space, in the presence of a background magnetic field. Motivated by geophysical…

Analysis of PDEs · Mathematics 2026-05-13 Jincheng Gao , Xianpeng Hu , Lianyun Peng , Jiahong Wu

For the initial boundary problem of the incompressible MHD equations in a bounded domain with general curved boundary in 3D with the general Navier-slip boundary conditions for the velocity field and the perfect conducting condition for the…

Analysis of PDEs · Mathematics 2024-04-18 Yingzhi Du , Tao Luo

In this paper we consider three-dimensional incompressible magnetohydrodynamics equations. By using interpolation inequalities in anisotropic Lebesgue space, we provide regularity criteria involving the velocity or alternatively involving…

Analysis of PDEs · Mathematics 2013-12-05 Qunyi Bie , Qiru Wang , Zhengan Yao

We revisit the 3D Cauchy problem of compressible heat-conducting magnetohydrodynamic equations with vacuum as far field density. By delicate energy method, we derive global existence and uniqueness of strong solutions provided that…

Analysis of PDEs · Mathematics 2022-08-01 Yang Liu , Xin Zhong

We are concerned with the formation of singularity and breakdown of strong solutions to the Cauchy problem of the three-dimensional full compressible magnetohydrodynamic equations with zero heat conduction. It is proved that for the initial…

Analysis of PDEs · Mathematics 2017-09-15 Xin Zhong

In this brief note we study the $n$-dimensional magnetohydrodynamic equations with hyper-viscosity and zero resistivity. We prove global regularity of solutions when the hyper-viscosity is sufficiently strong.

Analysis of PDEs · Mathematics 2013-03-01 Chuong V. Tran , Xinwei Yu , Zhichun Zhai

The three-dimensional (3D) full compressible magnetohydrodynamic system is studied in a general bounded domain with slip boundary condition for the velocity filed, adiabatic condition for the temperature and perfect conduction for the…

Analysis of PDEs · Mathematics 2022-08-10 Yazhou Chen , Yunkun Chen , Xue Wang

We study an initial boundary value problem for the 3D magnetohydrodynamics (MHD) equations of compressible fluids in $\R^3$. We establish a blow-up criterion for the local strong solutions in terms of the density and magnetic field. Namely,…

Analysis of PDEs · Mathematics 2012-07-11 Anthony Suen

We obtain a regularity criteria of the solution to the three-dimensional magnetohydrodynamics system to remain smooth for all time involving only one velocity and one vorticity component. Moreover, the norm in space and time with which we…

Analysis of PDEs · Mathematics 2016-03-22 Kazuo Yamazaki

The mathematical analysis on the behavior of the entropy for viscous, compressible, and heat conducting magnetohydrodynamic flows near the vacuum region is a challenging problem as the governing equation for entropy is highly degenerate and…

Analysis of PDEs · Mathematics 2023-02-23 Yang Liu , Xin Zhong

We study the incompressible limit of the compressible non-isentropic magnetohydrodynamic equations with zero magnetic diffusivity and general initial data in the whole space $\mathbb{R}^d$ $(d=2,3)$. We first establish the existence of…

Analysis of PDEs · Mathematics 2011-11-15 Song Jiang , Qiangchang Ju , Fucai Li

In this paper, we investigate the solvability, regularity and the vanishing dissipation limit of solutions to the three-dimensional viscous magneto-hydrodynamic (MHD) equations in bounded domains. On the boundary, the velocity field…

Analysis of PDEs · Mathematics 2020-07-07 Qin Duan , Yuelong Xiao , Zhouping Xin

This work focuses on the 3D incompressible magnetohydrodynamic (MHD) equations with mixed pressure-velocity-magnetic field in view of Lorentz spaces. Our main result shows the weak solution is regular, provided that $${\frac{\pi }{\left(…

Analysis of PDEs · Mathematics 2022-03-03 Ahmad M. Alghamdi , Sadek Gala , Maria Alessandra Ragusa

We consider the initial-boundary value problem in the halfspace for the system of equations of ideal Magneto-Hydrodynamics with a perfectly conducting wall boundary condition. We show the convergence of solutions to the solution of the…

Analysis of PDEs · Mathematics 2024-07-04 Paolo Secchi
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