English
Related papers

Related papers: Global regularity for solutions of magnetohydrodyn…

200 papers

This article is concerned with the almost sure existence of global solutions for initial value problems of the form $\dot{\gamma}(t)= v(t,\gamma(t))$ on separable dual Banach spaces. We prove a general result stating that whenever there…

Analysis of PDEs · Mathematics 2023-07-24 Zied Ammari , Shahnaz Farhat , Vedran Sohinger

The aim of this paper is to give a result concerning the stability properties of the solutions of magnetohydrodynamics equations at small but finite Reynolds numbers. These solutions are found using the alpha-effect: this method gives us…

Analysis of PDEs · Mathematics 2012-03-07 Ismaël Bouya

We consider an initial-boundary value problem for the 4D Navier-Stokes equations posed on bounded smooth domains. We prove the existence and uniqiueness of regular solutions as well as their exponential decay and additional regularity…

Analysis of PDEs · Mathematics 2023-05-17 Nikolai Larkin , Marcos Padilha

We study the regularity of weak solutions to the 3D valued stationary Hall magnetohydrodynamic equations on $ \Bbb R^2$. We prove that every weak solution is smooth. Furthermore, we prove a Liouville type theorem for the Hall equations.

Analysis of PDEs · Mathematics 2017-08-23 Dongho Chae , Joerg Wolf

We consider the problem of global in time existence and uniqueness of solutions of the 3-D infinite depth full water wave problem. We show that the nature of the nonlinearity of the water wave equation is essentially of cubic and higher…

Analysis of PDEs · Mathematics 2015-05-14 Sijue Wu

We consider energy sub-critical defocusing nonlinear wave equations on $\mathbb{R}^3$ and establish the existence of unique global solutions almost surely with respect to a unit-scale randomization of the initial data on Euclidean space. In…

Analysis of PDEs · Mathematics 2016-03-24 Jonas Luhrmann , Dana Mendelson

In this paper, we consider the initial-boundary value problem of the three-dimensional primitive equations for oceanic and atmospheric dynamics with only horizontal viscosity and horizontal diffusivity. We establish the local, in time,…

Analysis of PDEs · Mathematics 2016-07-22 Chongsheng Cao , Jinkai Li , Edriss S. Titi

For two dimensional inhomogeneous Navier-Stokes of incompressible flows, with the assumption that the viscosity depends on the density but with a positive lower bound, using a partial regularity approach, in particular some enhanced decay…

Analysis of PDEs · Mathematics 2016-10-11 Ning Jiang , Yilong Luo

Existence, uniqueness, and regularity of time-periodic solutions to the Navier-Stokes equations in the three-dimensional whole-space are investigated. We consider the Navier-Stokes equations with a non-zero drift term corresponding to the…

Analysis of PDEs · Mathematics 2015-06-17 Mads Kyed

In this paper, we investigate the global existence of weak solutions to 3-D inhomogeneous incompressible MHD equations with variable viscosity and resistivity, which is sufficiently close to $1$ in $L^\infty(\mathbb{R}^3),$ provided that…

Analysis of PDEs · Mathematics 2025-03-04 Hammadi Abidi , Guilong Gui , Ping Zhang

We show that in 3-dimensional ideal magnetohydrodynamics there exist infinitely many bounded solutions that are compactly supported in space-time and have non-trivial velocity and magnetic fields. The solutions violate conservation of total…

Analysis of PDEs · Mathematics 2020-10-28 Daniel Faraco , Sauli Lindberg , László Székelyhidi

We establish the global existence and uniqueness of strong solutions to the initial boundary value problem for incompressible MHD equations in a bounded smooth domain of three spatial dimensions with initial density being allowed to have…

Analysis of PDEs · Mathematics 2013-12-03 Huajun Gong , Jinkai Li

In this paper, we study the global well-posedness of the incompressible Hall-MHD system for small initial data $( u_0, b_0) \in \dot B^{\frac3p -1}_{p,5} (\mathbb{R}) \times \Big( \dot B^{\frac3p -1}_{p,5} (\mathbb{R}) \cap \dot…

Analysis of PDEs · Mathematics 2023-10-27 TongKeun Chang , Bataa Lkhagvasuren , MinSuk Yang

In this paper, we will prove a new result that guarantees the global existence of solutions to the Navier--Stokes equation in three dimensions when the initial data is sufficiently close to being two dimensional. This result interpolates…

Analysis of PDEs · Mathematics 2020-09-07 Evan Miller

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

In this paper, we mainly study a hydrodynamic system modeling the flow of nematic liquid crystals. In three dimensions, we first establish local well-posedness of the initial-boundary value problem of the system. Then, we prove the…

Analysis of PDEs · Mathematics 2011-06-03 Wenke Tan , Zhaoyang Yin

This paper considers the initial boundary problem to the planar compressible magnetohydrodynamic equations with large initial data and vacuum. The global existence and uniqueness of large strong solutions are established when the heat…

Analysis of PDEs · Mathematics 2017-04-06 Jishan Fan , Shuxiang Huang , Fucai Li

In this paper, we propose a globally hyperbolic regularization to the general Grad's moment system in multi-dimensional spaces. Systems with moments up to an arbitrary order are studied. The characteristic speeds of the regularized moment…

Mathematical Physics · Physics 2012-03-05 Zhenning Cai , Yuwei Fan , Ruo Li

Given any suitably small, localized, and smooth initial data, in this paper, we prove global regularity for the $3D$ finite depth gravity water wave system. As a byproduct, we rule out the small, localized traveling waves in $3D$, which do…

Analysis of PDEs · Mathematics 2020-02-19 Xuecheng Wang

We investigate global and local regularity of generalized solutions to parabolic initial-boundary value problem for Petrovskii system of second order differential equations. Results are formulated in terms of the belonging of right-hand…

Analysis of PDEs · Mathematics 2022-06-09 Oleksandr Diachenko , Valerii Los