Results 71 to 80 of about 33,678 (214)

Magnetohydrodynamics with physics informed neural operators

Machine Learning: Science and Technology, 2023
The modeling of multi-scale and multi-physics complex systems typically involves the use of scientific software that can optimally leverage extreme scale computing.
Shawn G Rosofsky, E A Huerta
doaj   +1 more source

Magnetic Helicity and the Geodynamo

Fluids, 2021
We present theoretical and computational results in magnetohydrodynamic turbulence that we feel are essential to understanding the geodynamo. These results are based on a mathematical model that focuses on magnetohydrodynamic (MHD) turbulence, but ...
John V. Shebalin
doaj   +1 more source

Numerical 3+1 general relativistic magnetohydrodynamics: a local characteristic approach

, 2005
We present a general procedure to solve numerically the general relativistic magnetohydrodynamics (GRMHD) equations within the framework of the 3+1 formalism. The work reported here extends our previous investigation in general relativistic hydrodynamics
Blandford R. D., Blandford R. D., Bocquet M., Font J. A., Font J. A., Jose A. Font, Jose A. Pons, Jose M. Ibanez, Jose M. Marti, Juan A. Miralles, Kozlowski M., Luis Anton, Marti J. M., Michel F., Olindo Zanotti, Penrose R., Pons J. A., von Zeipel H., Yokosawa M., Yokosawa M.   +19 more
core   +1 more source

Magnetic Electrocatalysts Enabling a High‐Rate Capability in Lithium‐Oxygen Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This study introduces zinc ferrite (ZnFe2O4) nanoparticles with tunable magnetic properties as bifunctional electrocatalysts for lithium‐oxygen batteries. Under an applied magnetic field, these catalysts significantly enhance oxygen reduction and evolution reactions by promoting spin‐aligned charge transfer and ion diffusion. The approach achieves high
Yimin Chen, Yuqing Miao, Min Hong, Xin Hu, Bilal Ahmad, John Bell, Baozhi Yu, Ying Ian Chen   +7 more
wiley   +1 more source

Hydromagnetic Waves in Cold Nuclear Matter

Magnetism, 2023
I consider a proton–neutron fluid mixture placed in an ultra-strong external static magnetic field and derive the spin-independent, small-amplitude disturbances in infinitely extended systems. As a theoretical framework I adopt a hydrodynamical model for
Şerban Mişicu
doaj   +1 more source

Magneto‐Electrochemical Effect on La‐Doped GaFeO3 as a Supercapacitor Electrode for Energy Storage

Electron, EarlyView.
The electrochemical performance of La‐doped Gallium Ferrite (La‐doped GaFeO3 ${\text{GaFeO}}_{3}$) synthesizes via a conventional solid‐state reaction method; this has been studied by the application of an external magnetic fields. ABSTRACT The electrochemical performance of La‐doped GaFeO3 ${\text{GaFeO}}_{3}$ synthesizes via a conventional solid ...
Biswajit Sahoo, Anuradha Yadav, Khusboo Agrawal, Piyush R. Das, Chandra Sekhar Rout, Banarji Behera   +5 more
wiley   +1 more source

Magnetohydrodynamics Williamson Nanofluid Flow over an Exponentially Stretching Surface with a Chemical Reaction and Thermal Radiation

Mathematics, 2023
Presented in this current study is the numerical analysis of magnetohydrodynamics Williamson nanofluid flow over an exponentially stretching surface.
Hillary Muzara, Stanford Shateyi
doaj   +1 more source

Magnetohydrodynamic experiments on cosmic magnetic fields

, 2008
It is widely known that cosmic magnetic fields, i.e. the fields of planets, stars, and galaxies, are produced by the hydromagnetic dynamo effect in moving electrically conducting fluids.
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core   +2 more sources

Fast Calculation for the Flow and Heat Transfer of Tempered Fractional Maxwell Viscoelastic Fluid

International Journal for Numerical Methods in Fluids, EarlyView.
This study develops a tempered fractional Maxwell model to simulate unsteady thermal flow in viscoelastic fluids, capturing key rheological behaviors. A fast SOE‐based algorithm is proposed to improve the computational efficiency of the numerical scheme. Results reveal how key parameters influence fluid motion and heat transfer, demonstrating the model'
Yi Liu, Mochen Jiang, Libo Feng
wiley   +1 more source

The Equations of Extended Magnetohydrodynamics

SIAM Journal on Mathematical Analysis
Extended magnetohydrodynamics (XMHD) is a fluid plasma model generalizing ideal MHD by taking into account the impact of Hall drift effects and the influence of electron inertial effects. XMHD has a Hamiltonian structure which has received over the past ten years a great deal of attention among physicists, and which is embodied by a non canonical ...
Besse, Nicolas, Cheverry, Christophe
openaire   +4 more sources