Results 111 to 120 of about 3,477 (194)

Three dimensional simulations of Hall magnetohydrodynamics [PDF]

open access: yesProceedings of the International Astronomical Union, 2010
AbstractTurbulent flows take place in a large variety of astrophysical objects, and often times are the source of dynamo generated magnetic fields. Much of the progress in our understanding of dynamo mechanisms, has been made within the theoretical framework of magnetohydrodynamics (MHD).
openaire   +3 more sources

Fluctuation Dynamos in Supersonic Turbulence at Pm ≳ 1

open access: yesThe Astrophysical Journal
Fluctuation dynamos provide a robust mechanism for amplifying weak seed magnetic fields in turbulent astrophysical plasmas. However, their behaviour in the highly compressible regimes characteristic of the interstellar medium remains incompletely ...
Ameya Uday Nagdeo   +2 more
doaj   +1 more source

Vortex Motions in the Solar Atmosphere: Definitions, Theory, Observations, and Modelling. [PDF]

open access: yesSpace Sci Rev, 2023
Tziotziou K   +14 more
europepmc   +1 more source

Global Magnetohydrodynamical Simulations of Accretion Tori

open access: yesThe Astrophysical Journal, 2000
Global time-dependent simulations provide a means to investigate time-dependent dynamic evolution in accretion disks. This paper seeks to extend previous local simulations by beginning a systematic effort to develop fully global three-dimensional simulations.
openaire   +2 more sources

The Life and Times of Star-forming Cores: An Analysis of Dense Gas in the STARFORGE Simulations

open access: yesThe Astrophysical Journal
Dense gas in molecular clouds is an important signature of ongoing and future star formation. We identify and track dense cores in the starforge simulations, following the core evolution from birth through dispersal by stellar feedback for typical Milky ...
Stella S. R. Offner   +2 more
doaj   +1 more source

On the effect of oscillatory phenomena on Stokes inversion results. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2021
Keys PH, Steiner O, Vigeesh G.
europepmc   +1 more source

The Interaction of a Supernova Remnant with Background Interstellar Turbulence

open access: yesThe Astrophysical Journal Supplement Series
Supernova explosions are among the most energetic events in the Universe. After the explosion, the material ejected by the supernova expands throughout the interstellar medium (ISM), forming what is called a supernova remnant (SNR). The shocks associated
Giuseppe Prete   +4 more
doaj   +1 more source

Cosmic-Ray Acceleration of Galactic Outflows in Multiphase Gas

open access: yesThe Astrophysical Journal
We investigate the dynamical interaction between cosmic rays (CRs) and the multiphase interstellar medium (ISM) using numerical magnetohydrodynamic (MHD) simulations with a two-moment CR solver and TIGRESS simulations of star-forming galactic disks.
Lucia Armillotta   +3 more
doaj   +1 more source

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