中文
相关论文

相关论文: Hydrostatic approximation of the 2D MHD system in …

200 篇论文

We prove local well-posedness for the Muskat problem on the half-plane, which models motion of an interface between two fluids of distinct densities (e.g., oil and water) in a porous medium (e.g., an aquifer) that sits atop an impermeable…

偏微分方程分析 · 数学 2024-10-17 Andrej Zlatos

We establish the global existence of weak solutions of the isentropic compressible magnetohydrodynamic equations with ripped density in the whole plane provided the bulk viscosity coefficient is properly large. Moreover, we show that such…

偏微分方程分析 · 数学 2025-10-31 Shuai Wang , Guochun Wu , Xin Zhong

Many astrophysical and terrestrial scenarios involving magnetic fields can be approached in axial geometry. Although the smoothed particle hydrodynamics (SPH) technique has been successfully extended to magneto-hydrodynamics (MHD), a…

天体物理仪器与方法 · 物理学 2022-12-14 Domingo García-Senz , Robert Wissing , Rubén M. Cabezón , Eda Vurgun , Manuel Linares

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…

偏微分方程分析 · 数学 2012-03-07 Ismaël Bouya

In this paper, we investigate the convergence rates of inviscid limits for the free-boundary problems of the incompressible magnetohydrodynamics (MHD) with or without surface tension in $\mathbb{R}^3$, where the magnetic field is…

偏微分方程分析 · 数学 2020-01-08 Pengfei Chen , Shijin Ding

We extend our recent work with K. Zumbrun on long-time stability of multi-dimensional noncharacteristic viscous boundary layers of a class of symmetrizable hyperbolic-parabolic systems. Our main improvements are (i) to establish the…

偏微分方程分析 · 数学 2008-12-31 Toan Nguyen

Magnetic helicity has the remarkable property of being a conserved quantity of ideal magnetohydrodynamics (MHD). Therefore, it could be used as an effective tracer of the magnetic field evolution of magnetized plasmas. Theoretical…

太阳与恒星天体物理 · 物理学 2015-08-19 E. Pariat , G. Valori , P. Démoulin , K. Dalmasse

Recently formulated model of highly-anisotropic and strongly dissipative hydrodynamics is used in 3+1 dimensions to study behavior of matter produced in ultra-relativistic heavy-ion collisions. We search for possible effects of the initial…

核理论 · 物理学 2012-06-22 Radoslaw Ryblewski , Wojciech Florkowski

In this paper we present a method to improve the description of 0+1 dimensional boost invariant dissipative dynamics in the presence of large momentum-space anisotropies. We do this by reorganizing the canonical hydrodynamic expansion of…

核理论 · 物理学 2010-11-01 Mauricio Martinez , Michael Strickland

We consider the out-of-equilibrium dynamics of the Heisenberg anisotropic quantum spin--$1/2$ chain threaded by a time-dependent magnetic flux. In the spirit of the recently developed generalized hydrodynamics (GHD), we exploit the…

统计力学 · 物理学 2019-06-26 A. Bastianello , A. De Luca

The three-dimensional compressible magnetohydrodynamic (MHD) isentropic flow with zero magnetic diffusivity is studied. The vanishing magnetic diffusivity causes significant difficulties due to the loss of dissipation of the magnetic field.…

偏微分方程分析 · 数学 2011-08-30 Xiaoli Li , Ning Su , Dehua Wang

We deal with the barotropic compressible magnetohydrodynamic equations in three-dimensional (3D) bounded domain with slip boundary condition and vacuum. By a series of a priori estimates, especially the boundary estimates, we prove the…

偏微分方程分析 · 数学 2021-03-12 Yazhou Chen , Bin Huang , Xiaoding Shi

We study the local existence of solutions to the magnetohydrodynamics (MHD) system describing the motion of a compressible, viscous, electrically and heat conducting fluid in the $L^p-L^q$ class with inhomogeneous boundary conditions. The…

偏微分方程分析 · 数学 2025-07-29 Mostafa Meliani

We present an extension of the multi-region relaxed magnetohydrodynamics (MRxMHD) equilibrium model that includes pressure anisotropy and general plasma flows. This anisotropic extension to our previous isotropic model is motivated by Sun…

等离子体物理 · 物理学 2015-06-19 Graham R. Dennis , Stuart R. Hudson , Robert L. Dewar , Matthew J. Hole

On the micro- and nanoscale, classical hydrodynamic boundary conditions such as the no-slip condition no longer apply. Instead, the flow profiles exhibit ``slip`` at the surface, which is characterized by a finite slip length (partial…

计算物理 · 物理学 2009-11-13 Jens Smiatek , Michael P. Allen , Friederike Schmid

We propose a new diffuse interface model for simulating an inductionless magnetohydrodynamic (MHD) free surface problem. By using the Onsager's variational principle and the laws of thermodynamics, we derive a thermodynamically consistent…

数值分析 · 数学 2025-09-29 Jiancheng Wang , Maojun Li , Zeyu Xia , Liwei Xu

Several phenomena related to the critical behaviour of non-interacting electrons in a disordered 2d tight-binding system with a magnetic field are studied. Localization lengths, critical exponents and density of states are computed using…

无序系统与神经网络 · 物理学 2009-10-31 Marc Ruhlander , C. M. Soukoulis

In this paper we propose a novel thermodynamically compatible finite volume scheme for the numerical solution of the equations of magnetohydrodynamics (MHD) in one and two space dimensions. As shown by Godunov in 1972, the MHD system can be…

数值分析 · 数学 2023-01-23 Saray Busto , Michael Dumbser

In this chapter, we aim at presenting the basic techniques necessary to go beyond the widely accepted paradigm of second-order numerics. We specifically focus on finite-volume schemes for hyperbolic conservation laws occuring in fluid…

数值分析 · 数学 2024-07-29 Jean-Mathieu Teissier , Wolf-Christian Müller

This paper aims to numerically verify the large Reynolds number asymptotic theory of magneto-hydrodynamic (MHD) flows proposed in the companion paper Deguchi (2019). To avoid any complexity associated with the chaotic nature of turbulence…

流体动力学 · 物理学 2019-09-04 Kengo Deguchi
‹ 上一页 1 8 9 10 下一页 ›