A divergence‐free semi‐implicit finite volume scheme for ideal, viscous, and resistive magnetohydrodynamics
Sign Up to like & getrecommendations! Published in 2019 at "International Journal for Numerical Methods in Fluids"
DOI: 10.1002/fld.4681
Abstract: Summary In this paper, we present a novel pressure‐based semi‐implicit finite volume solver for the equations of compressible ideal, viscous, and resistive magnetohydrodynamics (MHD). The new method is conservative for mass, momentum, and total energy,… read more here.
Keywords: finite volume; method; magnetohydrodynamics; semi implicit ... See more keywords
Global well‐posedness and asymptotics of full compressible non‐resistive magnetohydrodynamics system with large external potential forces
Sign Up to like & getrecommendations! Published in 2021 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.7774
Abstract: We consider the global well‐posedness and asymptotic behavior of compressible viscous, heat‐conductive, and non‐resistive magnetohydrodynamics (MHD) fluid in a field of external forces over three‐dimensional periodic thin domain Ω=𝕋2×(0,δ) . The unique existence of the… read more here.
Keywords: resistive magnetohydrodynamics; system; non resistive; well posedness ... See more keywords
Revisiting relativistic magnetohydrodynamics from quantum electrodynamics
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DOI: 10.1007/jhep02(2021)011
Abstract: Abstract We provide a statistical mechanical derivation of relativistic magnetohydrodynamics on the basis of (3 + 1)-dimensional quantum electrodynamics; the system endowed with a magnetic one-form symmetry. The conservation laws and constitutive relations are presented… read more here.
Keywords: electrodynamics; revisiting relativistic; relativistic magnetohydrodynamics; magnetohydrodynamics ... See more keywords
Magnetohydrodynamics (MHD) simulation via an adaptive element free Galerkin method
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DOI: 10.1007/s00366-020-01079-8
Abstract: In this work, an adaptive element free Galerkin technique is presented to solve magnetohydrodynamics (MHD) equations. An a posteriori error estimation based on gradient recovery is suggested to find locations with largest error contribution. For… read more here.
Keywords: free galerkin; magnetohydrodynamics mhd; element free; magnetohydrodynamics ... See more keywords
A density-based method with semi-discrete central-upwind schemes for ideal magnetohydrodynamics
Sign Up to like & getrecommendations! Published in 2017 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-016-1216-7
Abstract: In the present work, the central-upwind schemes proposed by Kurganov et al. (SIAM J Sci Comput 23:707–740, 2001) for hydrodynamics are extended and combined with the divergence cleaning method of Dedner (J Comput Phys 175:645–673,… read more here.
Keywords: upwind schemes; method; ideal magnetohydrodynamics; magnetohydrodynamics ... See more keywords
Nanoparticles shape effects on peristaltic transport of nanofluids in presence of magnetohydrodynamics
Sign Up to like & getrecommendations! Published in 2019 at "Microsystem Technologies"
DOI: 10.1007/s00542-018-3963-6
Abstract: Magnetohydrodynamics plays important role to manipulate the physiological fluids due to magnetic nature of physiological fluids. Magnetohydrodynamics pumps are a robust technology which provide more elegant and sustainable performance compared with conventional medical pumps. To… read more here.
Keywords: shape effects; nanofluids presence; transport nanofluids; effects peristaltic ... See more keywords
Magnetohydrodynamics modelling of a permanent magnets activated MRF clutch–brake
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DOI: 10.1007/s00542-020-04910-w
Abstract: Chattering due to vibrations on the machine tool shaft and control of the transmitted torque are both a concern in precision machining. Hence, a magnetorheological fluid clutch–brake, also acting as a rotary damper could be… read more here.
Keywords: clutch brake; magnetohydrodynamics; permanent magnets; magnetohydrodynamics modelling ... See more keywords
Global Existence of a Weak Solution for a Model in Radiation Magnetohydrodynamics
Sign Up to like & getrecommendations! Published in 2017 at "Acta Applicandae Mathematicae"
DOI: 10.1007/s10440-016-0093-y
Abstract: We consider a simplified model based on the Navier-Stokes-Fourier system coupled to a transport equation and the Maxwell system, proposed to describe radiative flows in stars. We establish global-in-time existence for the associated initial-boundary value… read more here.
Keywords: global existence; existence weak; weak solution; magnetohydrodynamics ... See more keywords
Large Time Decay for the Magnetohydrodynamics System in $\dot{\boldsymbol{H}^{s}}(\mathbb{R}^{n})$
Sign Up to like & getrecommendations! Published in 2019 at "Acta Applicandae Mathematicae"
DOI: 10.1007/s10440-019-00276-y
Abstract: We show that $t^{s/2} \| (\boldsymbol{u},\boldsymbol{b})(t) \|_{{\dot{H}^{s}(\mathbb{R}^{n})}} \to0 $ as $t \to\infty$ for global Leray solutions $(\boldsymbol{u},\boldsymbol{b})(t)$ of the incompressible MHD equations, where $2 \leq n \leq4$ and $s \geq0$ (real). We also provide some… read more here.
Keywords: large time; boldsymbol; magnetohydrodynamics; time decay ... See more keywords
An improved Darcian analysis for chemically reacted Maxwell liquid toward convectively heated moving surface with magnetohydrodynamics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-020-09613-y
Abstract: Heat transportation analysis subjected to porous medium consideration has increased because of industrial and engineering utilization. Typical examples comprise crude oil production, porous insulation, groundwater pollution, grain storage, mastic transport modeling, nuclear waste discarding and… read more here.
Keywords: analysis chemically; chemically reacted; magnetohydrodynamics; darcian analysis ... See more keywords
Magnetohydrodynamics around a cylindrical wire carrying electric currents
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-0319-9
Abstract: Vortex shedding phenomenon is closely linked with noise and vibration, many studies that consider the associated environmental or structural safety issues have been conducted. In this study, we have investigated the changes in features of… read more here.
Keywords: vortex shedding; magnetohydrodynamics; circular magnetic; magnetic field ... See more keywords