Effect of turbulence on theta pinch modeling by hybrid numerical models

Hamasaki, S.; Krall, Nicholas A.; Wagner, C. E.; Byrne, Raymond

doi:10.1063/1.861708

Cited by 33 publications

(28 citation statements)

References 8 publications

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“…Chodura [1975] has interpreted this discrepancy as due to the possibility in his model of dissipating the energy of the incoming plasma into the electrons via Ohmic heating. Hybrid codes have been shown to be successful in describing other laboratory experiments [Sgro and Nielson, 1976;Hamasaki et al, 1977].…”

Section: Introductionmentioning

confidence: 99%

The structure of perpendicular bow shocks

Leroy¹,

Winske²,

Goodrich³

et al. 1982

J. Geophys. Res.

461

369

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A hybrid simulation model with kinetic ions, massless fluid electrons, and phenomenological resistivity is used to study the perpendicular configuration of the bow shocks of the earth and other planets. We investigate a wide range of parameters, including the upstream Mach number, electron and ion beta (ratios of thermal to magnetic pressure), and resistivity. Electron beta and resistivity are found to have little effect on the overall shock structure. Quasi-stationary structures are obtained at moderately high ion beta (/3i '• 1), whereas the shock becomes more dynamic in the low ion beta, large Mach number regime (/3i '• 0.1, MA > 8). The simulation results are shown to be in good agreement with a number of observational features of quasi-perpendicular bow shocks, including the morphology •'• of the reflected ion stream, the magnetic field profile throughout the shock, and the Mach number dependence of the magnetic field overshoot.

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Section: Introductionmentioning

confidence: 99%

The structure of perpendicular bow shocks

Leroy¹,

Winske²,

Goodrich³

et al. 1982

J. Geophys. Res.

461

369

View full text Add to dashboard Cite

show abstract

“…The approach is conventionally known as ''hybrid'' in the literature of plasma physics and space physics, signifying the entirely different treatments of the ions and the electrons (e.g. Hamasaki et al, 1977;Hewett and Seyler, 1981;Papadopoulos et al, 1988;Akimoto and Winske, 1990;Porteous and Graves, 1991;Savoini et al, 1994;Swift, 1995;Boeuf and Garrigues, 1998;Pritchett, 2000;Belova et al, 2004). More recently, the usage of this terminology has been broadened to include situations where parts of the plasma are treated kinetically and the Wang et al (1994); Fu and Park (1995); Lin and Chen (2001); and the discussion by Winske and Yin (2001).…”

Section: Combinations Of Fundamental Approachesmentioning

confidence: 98%

Kinetic modeling of the polar wind

Tam

Chang

Pierrard

2007

Journal of Atmospheric and Solar-Terrestrial Physics

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“…The Ohm law method for computing the longitudinal electrical field component has been proposed in [8] and subsequently developed in [9,10] for the analysis of laboratory experiments with magnetic plasma containment and in [ 11,12] for the study of the bow shock near the Earth's magnetosphere. The electron current component is calculated from the electron moment equation with a resistive term (lc) (i.e., the Ohm law is used).…”

Section: B 2 -(Bkb~)mentioning

confidence: 99%

Hybrid simulation of space plasmas: Models with massless fluid representation of electrons. II. Slow and intermediate shocks

Filippychev¹

2000

Comput Math Model

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This is a second article in a series of reviews on hybrid simulation of low-frequency processes in space plasmas. A hybrid model is described with ions represented by particles and electrons by a massless fluid. The main numerical schemes for the implementation of this model are described: the generalized Ohm law scheme and the predictor-corrector scheme. The first part of the article provides basic background information: MHD models (ideal, resistive, and Hall model); the Rankine-Hugoniot relationship for MHD discontinuities; the Hoffman-Teller coordinate system; and a classification of discontinuities. The review part of the article surveys the literature on simulation of slow shocks (including switch-off shocks) and intermediate shocks. The survey of literature on hybrid simulation of intermediate shocks is concluded with a review of studies that use two different numerical codes (the hybrid model and the resistive Hall MHD model). The computation results produced by the two codes are compared. The concluding part presents some remarks concerning the existence of intermediate shocks and their relationship with rotational discontinuities in various numerical models (ideal MHD, resistive MHD, the hybrid model).

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Effect of turbulence on theta pinch modeling by hybrid numerical models

Cited by 33 publications

References 8 publications

The structure of perpendicular bow shocks

The structure of perpendicular bow shocks

Kinetic modeling of the polar wind

Hybrid simulation of space plasmas: Models with massless fluid representation of electrons. II. Slow and intermediate shocks

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