Suppression of the Richtmyer-Meshkov instability in the presence of a magnetic field

Ravindra Samtaney

doi:10.1063/1.1591188

Suppression of the Richtmyer-Meshkov instability in the presence of a magnetic field

Ravindra Samtaney^*

^*Corresponding author for this work

Physical Sciences and Engineering

Research output: Contribution to journal › Article › peer-review

82 Scopus citations

Abstract

We present numerical evidence from two dimensional simulations that the growth of the Richtmyer-Meshkov instability is suppressed in the presence of a magnetic field. A bifurcation occurs during the refraction of the incident shock on the density interface which transports baroclinically generated vorticity away from the interface to a pair of slow or intermediate magnetosonic shocks. Consequently, the density interface is devoid of vorticity and its growth and associated mixing is completely suppressed.

Original language	English (US)
Journal	Physics of Fluids
Volume	15
Issue number	8
DOIs	https://doi.org/10.1063/1.1591188
State	Published - Jan 1 2003

ASJC Scopus subject areas

Condensed Matter Physics

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10.1063/1.1591188

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title = "Suppression of the Richtmyer-Meshkov instability in the presence of a magnetic field",

abstract = "We present numerical evidence from two dimensional simulations that the growth of the Richtmyer-Meshkov instability is suppressed in the presence of a magnetic field. A bifurcation occurs during the refraction of the incident shock on the density interface which transports baroclinically generated vorticity away from the interface to a pair of slow or intermediate magnetosonic shocks. Consequently, the density interface is devoid of vorticity and its growth and associated mixing is completely suppressed.",

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AB - We present numerical evidence from two dimensional simulations that the growth of the Richtmyer-Meshkov instability is suppressed in the presence of a magnetic field. A bifurcation occurs during the refraction of the incident shock on the density interface which transports baroclinically generated vorticity away from the interface to a pair of slow or intermediate magnetosonic shocks. Consequently, the density interface is devoid of vorticity and its growth and associated mixing is completely suppressed.

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Suppression of the Richtmyer-Meshkov instability in the presence of a magnetic field

Abstract

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