Results 31 to 40 of about 63,259 (229)

Local Well-Posedness and Blow-Up for the Solutions to the Axisymmetric Inviscid Hall-MHD Equations

open access: yesAdvances in Mathematical Physics, 2018
In this paper, we consider the regularity problem of the solutions to the axisymmetric, inviscid, and incompressible Hall-magnetohydrodynamics (Hall-MHD) equations.
Eunji Jeong, Junha Kim, Jihoon Lee
doaj   +1 more source

Kinetic helicity and MHD turbulence [PDF]

open access: yes, 2000
The issue of dynamical anisotropy in helical three-dimensional magnetohydrodynamic turbulence with a mean magnetic field B₀ is investigated. Using high-resolution direct numerical simulations, we follow the evolution of various isotropic initial states ...
Oughton, Sean, Prandi, Rossella
core   +1 more source

Existence of Global Solutions for Nonlinear Magnetohydrodynamics with Finite Larmor Radius Corrections

open access: yesInternational Journal of Differential Equations, 2018
We discuss the existence of global solutions to the magnetohydrodynamics (MHD) equations, where the effects of finite Larmor radius corrections are taken into account.
Fariha Elsrrawi, Harumi Hattori
doaj   +1 more source

Energy dynamics in linear MHD with ion parallel viscosity [PDF]

open access: yes, 1997
Analytic results for the time dependences of the kinetic and magnetic energies of an incompressible magneto fluid threaded by a strong uniform magnetic field B₀ are obtained.
Oughton, Sean
core   +1 more source

Effects of viscous dissipation and convective boundary conditions on magnetohydrodynamics flow of casson liquid over a deformable porous channel

open access: yesResults in Engineering, 2019
The present study magnetohydrodynamics (MHD) flow of Casson liquid over a deformable channel with viscous dissipation and convective boundary conditions is considered.
A. Neeraja   +4 more
doaj   +1 more source

Meromorphy and topology of localized solutions in the Thomas–MHD model [PDF]

open access: yes, 2001
The one-dimensional MHD system first introduced by J.H. Thomas [Phys. Fluids 11, 1245 (1968)] as a model of the dynamo effect is thoroughly studied in the limit of large magnetic Prandtl number.
Fournier, J.D.   +2 more
core   +1 more source

A Monolithic Finite Element Formulation for Magnetohydrodynamics Involving a Compressible Fluid

open access: yesFluids, 2022
This work develops a new monolithic finite-element-based strategy for magnetohydrodynamics (MHD) involving a compressible fluid based on a continuous velocity–pressure formulation. The entire formulation is within a nodal finite element framework, and is
Adhip Gupta, C. S. Jog
doaj   +1 more source

Theoretical and Experimental Study of Radial Velocity Generation for Extending Bandwidth of Magnetohydrodynamic Angular Rate Sensor at Low Frequency

open access: yesSensors, 2015
The magnetohydrodynamics angular rate sensor (MHD ARS) has received much attention for its ultra-low noise in ultra-broad bandwidth and its impact resistance in harsh environments; however, its poor performance at low frequency hinders its work in long ...
Yue Ji   +3 more
doaj   +1 more source

A weak turbulence theory for incompressible magnetohydrodynamics [PDF]

open access: yes, 2000
We derive a weak turbulence formalism for incompressible magnetohydrodynamics. Three-wave interactions lead to a system of kinetic equations for the spectral densities of energy and helicity. The kinetic equations conserve energy in all wavevector planes
S. V. Nazarenko   +7 more
core   +1 more source

Discretisations and preconditioners for magnetohydrodynamics models [PDF]

open access: yes, 2022
Magnetohydrodynamics (MHD) models describe the behaviour of electrically conducting fluids such as astrophysical and laboratory plasmas or liquid metals in the presence of magnetic fields.
Laakmann, Fabian
core   +1 more source

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