Magnetohydrodynamic implosion symmetry and suppression of Richtmyer-Meshkov instability in an octahedrally symmetric field

Handle URI:
http://hdl.handle.net/10754/623766
Title:
Magnetohydrodynamic implosion symmetry and suppression of Richtmyer-Meshkov instability in an octahedrally symmetric field
Authors:
Mostert, W.; Pullin, D. I.; Wheatley, V.; Samtaney, Ravi ( 0000-0002-4702-6473 )
Abstract:
We present numerical simulations of ideal magnetohydrodynamics showing suppression of the Richtmyer-Meshkov instability in spherical implosions in the presence of an octahedrally symmetric magnetic field. This field configuration is of interest owing to its high degree of spherical symmetry in comparison with previously considered dihedrally symmetric fields. The simulations indicate that the octahedral field suppresses the instability comparably to the other previously considered candidate fields for light-heavy interface accelerations while retaining a highly symmetric underlying flow even at high field strengths. With this field, there is a reduction in the root-mean-square perturbation amplitude of up to approximately 50% at representative time under the strongest field tested while maintaining a homogeneous suppression pattern compared to the other candidate fields.
KAUST Department:
Mechanical Engineering Program
Citation:
Mostert W, Pullin DI, Wheatley V, Samtaney R (2017) Magnetohydrodynamic implosion symmetry and suppression of Richtmyer-Meshkov instability in an octahedrally symmetric field. Physical Review Fluids 2. Available: http://dx.doi.org/10.1103/physrevfluids.2.013701.
Publisher:
American Physical Society (APS)
Journal:
Physical Review Fluids
KAUST Grant Number:
URF/1/2162-01
Issue Date:
27-Jan-2017
DOI:
10.1103/physrevfluids.2.013701
Type:
Article
ISSN:
2469-990X
Sponsors:
This research was supported by the KAUST Office of Sponsored Research under Award No. URF/1/2162-01. V.W. acknowledges support from an Australian Research Council Discovery Early Career Researcher Award (Project No. DE120102942).
Additional Links:
https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.2.013701
Appears in Collections:
Articles; Mechanical Engineering Program

Full metadata record

DC FieldValue Language
dc.contributor.authorMostert, W.en
dc.contributor.authorPullin, D. I.en
dc.contributor.authorWheatley, V.en
dc.contributor.authorSamtaney, Ravien
dc.date.accessioned2017-05-31T10:09:30Z-
dc.date.available2017-05-31T10:09:30Z-
dc.date.issued2017-01-27en
dc.identifier.citationMostert W, Pullin DI, Wheatley V, Samtaney R (2017) Magnetohydrodynamic implosion symmetry and suppression of Richtmyer-Meshkov instability in an octahedrally symmetric field. Physical Review Fluids 2. Available: http://dx.doi.org/10.1103/physrevfluids.2.013701.en
dc.identifier.issn2469-990Xen
dc.identifier.doi10.1103/physrevfluids.2.013701en
dc.identifier.urihttp://hdl.handle.net/10754/623766-
dc.description.abstractWe present numerical simulations of ideal magnetohydrodynamics showing suppression of the Richtmyer-Meshkov instability in spherical implosions in the presence of an octahedrally symmetric magnetic field. This field configuration is of interest owing to its high degree of spherical symmetry in comparison with previously considered dihedrally symmetric fields. The simulations indicate that the octahedral field suppresses the instability comparably to the other previously considered candidate fields for light-heavy interface accelerations while retaining a highly symmetric underlying flow even at high field strengths. With this field, there is a reduction in the root-mean-square perturbation amplitude of up to approximately 50% at representative time under the strongest field tested while maintaining a homogeneous suppression pattern compared to the other candidate fields.en
dc.description.sponsorshipThis research was supported by the KAUST Office of Sponsored Research under Award No. URF/1/2162-01. V.W. acknowledges support from an Australian Research Council Discovery Early Career Researcher Award (Project No. DE120102942).en
dc.publisherAmerican Physical Society (APS)en
dc.relation.urlhttps://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.2.013701en
dc.rightsArchived with thanks to Physical Review Fluidsen
dc.titleMagnetohydrodynamic implosion symmetry and suppression of Richtmyer-Meshkov instability in an octahedrally symmetric fielden
dc.typeArticleen
dc.contributor.departmentMechanical Engineering Programen
dc.identifier.journalPhysical Review Fluidsen
dc.eprint.versionPublisher's Version/PDFen
dc.contributor.institutionGraduate Aerospace Laboratories, MC105-50, California Institute of Technology, Pasadena, California 91125, USAen
dc.contributor.institutionSchool of Mechanical and Mining Engineering, University of Queensland, Queensland 4072, Australiaen
kaust.authorSamtaney, Ravien
kaust.grant.numberURF/1/2162-01en
All Items in KAUST are protected by copyright, with all rights reserved, unless otherwise indicated.