Effects of magnetic fields on magnetohydrodynamic cylindrical and spherical Richtmyer-Meshkov instability

Mostert, W., Wheatley, V., Samtaney, R. and Pullin, D.I. (2015) Effects of magnetic fields on magnetohydrodynamic cylindrical and spherical Richtmyer-Meshkov instability. Physics of Fluids, 27 104102: . doi:10.1063/1.4932110

Attached Files (Some files may be inaccessible until you login with your UQ eSpace credentials)
Name Description MIMEType Size Downloads
UQ370990_OA.pdf Full text (open access) application/pdf 11.41MB 0

Author Mostert, W.
Wheatley, V.
Samtaney, R.
Pullin, D.I.
Title Effects of magnetic fields on magnetohydrodynamic cylindrical and spherical Richtmyer-Meshkov instability
Journal name Physics of Fluids   Check publisher's open access policy
ISSN 1070-6631
1089-7666
Publication date 2015-10-06
Year available 2015
Sub-type Article (original research)
DOI 10.1063/1.4932110
Open Access Status Not Open Access
Volume 27
Issue 104102
Total pages 28
Place of publication New York, United States
Publisher A I P Publishing
Collection year 2016
Language eng
Abstract The effects of seed magnetic fields on the Richtmyer-Meshkov instability driven by converging cylindrical and spherical implosions in ideal magnetohydrodynamics are investigated. Two different seed field configurations at various strengths are applied over a cylindrical or spherical density interface which has a single-dominant-mode perturbation. The shocks that excite the instability are generated with appropriate Riemann problems in a numerical formulation and the effect of the seed field on the growth rate and symmetry of the perturbations on the density interface is examined. We find reduced perturbation growth for both field configurations and all tested strengths. The extent of growth suppression increases with seed field strength but varies with the angle of the field to interface. The seed field configuration does not significantly affect extent of suppression of the instability, allowing it to be chosen to minimize its effect on implosion distortion. However, stronger seed fields are required in three dimensions to suppress the instability effectively.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2016 Collection
 
Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 0 times in Thomson Reuters Web of Science Article
Scopus Citation Count Cited 0 times in Scopus Article
Google Scholar Search Google Scholar
Created: Thu, 08 Oct 2015, 15:46:43 EST by Dr Vincent Wheatley on behalf of School of Mechanical and Mining Engineering