Stability of an impulsively accelerated density interface in magnetohydrodynamics

Wheatley, V., Pullin, D. I. and Samtaney, R. (2005) Stability of an impulsively accelerated density interface in magnetohydrodynamics. Physical Review Letters, 95 12: 125002-1-125002-4. doi:10.1103/PhysRevLett.95.125002

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Author Wheatley, V.
Pullin, D. I.
Samtaney, R.
Title Stability of an impulsively accelerated density interface in magnetohydrodynamics
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2005-09-16
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.95.125002
Open Access Status File (Publisher version)
Volume 95
Issue 12
Start page 125002-1
End page 125002-4
Total pages 4
Place of publication College Park, MD, U.S.A.
Publisher American Physical Society
Language eng
Formatted abstract
In the framework of ideal incompressible magnetohydrodynamics, we examine the stability of an impulsively accelerated, sinusoidally perturbed density interface in the presence of a magnetic field that is parallel to the acceleration. This is accomplished by analytically solving the linearized initial value problem, which is a model for the Richtmyer-Meshkov instability. We find that the initial growth rate of the interface is unaffected by the presence of a magnetic field, but for a finite magnetic field the interface amplitude asymptotes to a constant value. Thus the instability of the interface is suppressed. The interface behavior from the analytical solution is compared to the results of both linearized and nonlinear compressible numerical simulations.
© 2005 The American Physical Society
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
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Citation counts: TR Web of Science Citation Count  Cited 22 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 20 times in Scopus Article | Citations
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Created: Tue, 16 Nov 2010, 14:24:11 EST by Dr Vincent Wheatley on behalf of School of Mechanical and Mining Engineering