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相关论文: Lifespan of Solution to MHD Boundary Layer Equatio…

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In this paper we consider the long time well-posedness of solutions to two dimensional compressible magnetohydrodynamics (MHD) boundary layer equations. When the initial data is a small perturbation of a steady solution with size of…

偏微分方程分析 · 数学 2022-08-02 Shengxin Li , Feng Xie

We provide a systematic derivation of boundary layer models in magnetohydrodynamics (MHD), through an asymptotic analysis of the incompressible MHD system. We recover classical linear models, related to the famous Hartmann and Shercliff…

偏微分方程分析 · 数学 2017-06-28 David Gerard-Varet , Marco Prestipino

In this paper, we prove global existence of solutions with analytic regularity to the 2D MHD boundary layer equations in the mixed Prandtl and Hartmann regime derived by formal multi-scale expansion in \cite{GP}. The analysis shows that the…

偏微分方程分析 · 数学 2018-07-10 Feng Xie , Tong Yang

In this paper, we investigate the finite time blow-up of strong solutions to the compressible magnetohydrodynamic (MHD) system (without magnetic diffusion) coupled with entropy transport, and derive an upper bound for the lifespan of such…

偏微分方程分析 · 数学 2025-12-23 Yongteng Gu , Xiangdi Huang

In this paper, we are concerned with the magnetic effect on the Sobolev solvability of boundary layer equations for the 2D incompressible MHD system without resistivity. The MHD boundary layer is described by the Prandtl type equations…

偏微分方程分析 · 数学 2020-02-28 Cheng-Jie Liu , Dehua Wang , Feng Xie , Tong Yang

This paper is concerned with an initial and boundary value problem of the one-dimensional planar MHD equations for viscous, heat-conducting, compressible, ideal polytropic fluids with constant transport coefficients and large data. The…

偏微分方程分析 · 数学 2020-02-19 Xia Ye , Jianwen Zhang

In this paper we consider the problem of a steady MHD flow of a non-Newtonian power-law and electrically conducting fluid in presence of an applied magnetic field. The boundary layer equations are solved in similarity form via the Lyapunov…

经典物理 · 物理学 2008-07-06 Zakia Hammouch

In this paper, we validate the boundary layer theory for 2D steady viscous incompressible magnetohydrodynamics (MHD) equations in a domain $\{(X, Y)\in[0, L]\times\mathbb{R}_+\}$ under the assumption of a moving boundary at $\{Y=0\}$. The…

偏微分方程分析 · 数学 2020-09-15 Shijin Ding , Zhijun Ji , Zhilin Lin

This paper is concerned with an initial and boundary value problem of the one-dimensional planar MHD equations for viscous, heat-conducting, compressible, ideal polytropic fluids with constant transport coefficients and large data. The…

偏微分方程分析 · 数学 2020-02-19 Xia Ye , Jianwen Zhang

In this paper we are concerned with the global well-posedness of solutions to magnetohydrodynamics (MHD) boundary layer equations in analytic function spaces. When the initial data is a small perturbation around a selected profile, and such…

偏微分方程分析 · 数学 2021-03-17 Shengxin Li , Feng Xie

This paper is concerned with the vanishing viscosity and magnetic resistivity limit for the two-dimensional steady incompressible MHD system on the half plane with no-slip boundary condition on velocity field and perfectly conducting wall…

偏微分方程分析 · 数学 2021-04-12 Cheng-Jie Liu , Tong Yang , Zhu Zhang

In this paper, we establish the mathematical validity of the Prandtl boundary layer theory for a class of nonlinear plane parallel flows of viscous incompressible magnetohydrodynamic (MHD) flow with no-slip boundary condition of velocity…

偏微分方程分析 · 数学 2021-03-17 Shijin Ding , Zhilin Lin , Dongjuan Niu

For the three dimensional Prandtl boundary layer equations, we will show that for arbitrary $M$ and sufficiently small $\epsilon$, the lifespan of the Gevrey-2 solution is at least of size $\epsilon^{-M}$ if the initial data lies in…

偏微分方程分析 · 数学 2022-12-06 Xinghong Pan , Chao-Jiang Xu

In this paper, we we study boundary layer problems for the incompressible MHD systems in the presence of physical boundaries with the standard Dirichlet oundary conditions with small generic viscosity and diffusion coefficients. We identify…

偏微分方程分析 · 数学 2017-06-27 Shu Wang , Zhouping Xin

In this paper, we prove the global existence and the large time decay estimate of solutions to the two-dimensional MHD boundary layer equations with small initial data, which is analytical in the tangential variable. The main idea of the…

偏微分方程分析 · 数学 2020-06-23 Ning Liu , Ping Zhang

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

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…

偏微分方程分析 · 数学 2020-07-07 Qin Duan , Yuelong Xiao , Zhouping Xin

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

We consider solenoidal space-periodic space-analytic solutions to the equations of magnetohydrodynamics. An elementary bound shows that due to the special structure of the nonlinear terms in the equations for modified solutions, effectively…

地球物理 · 物理学 2024-04-25 Vladislav Zheligovsky

We consider an initial boundary problem for the planar MHD system under the general condition on the heat conductivity $\kappa$ that may depend on both the density $\rho$ and the temperature $\theta$ satisfying…

偏微分方程分析 · 数学 2018-04-10 Xulong Qin , Tong Yang , Zheng-an Yao , Wenshu Zhou
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