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In this paper, we prove the global existence and the large time decay estimate of solutions to Prandtl system with small initial data, which is analytical in the tangential variable. The key ingredient used in the proof is to derive…

偏微分方程分析 · 数学 2020-02-05 Marius Paicu , Ping Zhang

The global existence of weak solutions to the three space dimensional Prandtl equations is studied under some constraint on its structure. This is a continuation of our recent study on the local existence of classical solutions with the…

偏微分方程分析 · 数学 2015-09-15 Cheng-Jie Liu , Ya-Guang Wang , Tong Yang

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

In this paper, we consider the 3D Prandtl equation in a periodic domain and prove the local existence and uniqueness of solutions by the energy method in a polynomial weighted Sobolev space. Compared to the existence and uniqueness of…

偏微分方程分析 · 数学 2023-07-18 Yuming Qin , Xiuqing Wang

In this paper, we are concerned with the validity of Prandtl boundary layer expansion for the solutions to two dimensional (2D) steady viscous incompressible magnetohydrodynamics (MHD) equations in a domain $\{(X, Y)\in[0,…

偏微分方程分析 · 数学 2020-01-20 Shijin Ding , Zhilin Lin , Feng Xie

We study the two-dimensional MHD boundary layer equations. For small perturbation around a tangential background magnetic field, we obtain the global-in-time existence and uniqueness of solutions in Sobolev spaces. The proof relies on the…

偏微分方程分析 · 数学 2024-09-20 Wei-Xi Li , Zhan Xu , Anita Yang

In this paper, we are concerned with the local and global existence for the stochastic Prandtl equation in two and three dimensions, which governs the velocity field inside the boundary layer that appears in the inviscid limit of the…

偏微分方程分析 · 数学 2024-08-09 Ya-Guang Wang , Meng Zhao

We continue our study on the global solution to the two-dimensional Prandtl's system for unsteady boundary layers in the class considered by Oleinik provided that the pressure is favorable. First, by using a different method from [13], we…

偏微分方程分析 · 数学 2022-05-04 Zhouping Xin , Liqun Zhang , Junning Zhao

This book aims to present some recent results on Prandtl equations and MHD boundary layer equations. This book is essentially divided into two parts. Chapter 1 as the first part systematically surveys the results till 2020 on Prandtl…

偏微分方程分析 · 数学 2024-11-22 Yuming Qin , Xiaolei Dong , Xiuqing Wang

We consider the Prandtl boundary layer equations on the half plane, with initial datum that lies in a weighted $H^1$ space with respect to the normal variable, and is real-analytic with respect to the tangential variable. The boundary trace…

偏微分方程分析 · 数学 2016-03-23 Mihaela Ignatova , Vlad Vicol

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

We consider the validity of Prandtl boundary layer expansion of solutions to the initial boundary value problem for inhomogeneous incompressible magnetohydrodynamics (MHD) equations in the half plane when both viscosity and resistivity…

偏微分方程分析 · 数学 2023-06-28 Li Shengxin , Xie Feng

This paper is concerned with existence, uniqueness and stability of the solution for the 3D Prandtl equation in a polynomial weighted Sobolev space. The main novelty of this paper is to directly prove the long time well-posedness to 3D…

偏微分方程分析 · 数学 2025-08-26 Yuming Qin , Junchen Liu

In this paper, we study the long time well-posedness for the nonlinear Prandtl boundary layer equation on the half plane. While the initial data are small perturbations of some monotonic shear profile, we prove the existence, uniqueness and…

偏微分方程分析 · 数学 2016-05-10 Chao-Jiang Xu , Xu Zhang

We investigate the Prandtl-Shercliff model in both two and three dimensions. For the two-dimensional case, we establish global-in-time well-posedness in Sobolev spaces without any structural assumptions on the initial data. Furthermore, we…

偏微分方程分析 · 数学 2025-11-05 Wei-Xi Li , Zhan Xu , Anita Yang

In this paper, we investigate the local-in-time well-posedness for the two-dimensional Prandtl equations in weighted Sobolev spaces under the Oleinik's monotonicity condition.Due to the loss of tangential derivative caused by vertical…

偏微分方程分析 · 数学 2018-11-30 Jincheng Gao , Daiwen Huang , Zheng-an Yao

This paper is devoted to the study of the compressible boundary layer equations in the Gevrey-2 solution space. Compared to the classical Prandtl equation, the additional complexity arises from the strong interaction between viscous layer…

偏微分方程分析 · 数学 2026-04-20 Ya-Guang Wang , Yi-Lei Zhao

The tangential layers are characterized by a bulk plasma velocity and a magnetic field that are perpendicular to the gradient direction. They have been extensively described in the frame of the Magneto-Hydro-Dynamic (MHD) theory. But the…

空间物理 · 物理学 2009-11-10 Fabrice Mottez

We discuss tangential Sobolev-estimates up to the boundary for solutions to the regional fractional laplacian on the upper half-plane. These estimates can be used to reduce the boundary Calderon-Zygmund theory of any dimension to a…

偏微分方程分析 · 数学 2022-09-19 Sujin Khomrutai , Armin Schikorra , Adisak Seesanea , Sasikarn Yeepo

In this paper, we mainly investigate the tridimensional incompressible axisymmetric Euler equations without swirl in the whole space. Specifically, we prove the global existence of weak solutions if the swirl component of initial vorticity…

偏微分方程分析 · 数学 2017-08-16 Quansen Jiu , Jitao Liu , Dongjuan Niu
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