Modeling the Jovian magnetosphere under an antiparallel interplanetary magnetic field from a global MHD simulation

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摘要 WepresentpreliminaryresultsofanewglobalMagnetohydrodynamics(MHD)simulationmodeloftheJovianmagnetosphere.ThemodelincorporatesmassloadingfromJupiter'ssatelliteIo,theplanet'sfastcorotation,andelectrostaticcouplingbetweenitsmagnetosphereandionosphere(M-Icoupling).ThebasicconfigurationoftheJovianmagnetosphereincludingtheequatorialplasmaflowpattern,thecorotationenforcementcurrentsystem,andthefieldalignedcurrents(FACs)intheionospherearepresentedunderanantiparallelinterplanetarymagneticfield(IMF)condition.Thesimulationmodelresultsforequatorialdensityandpressureprofilesareconsistentwithresultsfromdata-basedempiricalmodels.ItisalsofoundthattherearesimilaritiesbetweentheFACsdistributionintheionosphereandtheobservedaurorafeatures,showingthepotentialapplicationofthesimpleionosphericmodeltothecomplicatedM-Icoupling.ThismodelwillhelpdeepenourunderstandingoftheglobaldynamicsoftheJovianmagnetosphere.
机构地区 不详
出版日期 2018年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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