%0 Journal Article
%T A3rdOrderWENOGLM-MHDSchemeforMagneticReconnection
%A FENG
%A Xueshang
%A ZHOU
%A Yufen
%A HU
%A Yanqi
%J 空间科学学报
%P 1-7
%D 2006
%X Anewnumericalschemeof3rdorderWeightedEssentiallyNon-Oscillatory(WENO)typefor2.5DmixedGLM-MHDinCartesiancoordinatesisproposed.TheMHDequationsaremodifiedbycombiningtheargumentsasbyDellarandDedneretaltocouplethedivergenceconstraintwiththeevolutionequationsusingaGeneralizedLagrangeMultiplier(GLM).Moreover,themagnetohydrodynamicpartoftheGLM-MHDsystemisstillinconservationform.Meanwhile,thismethodisveryeasytoaddtoanexistingcodesincetheunderlyingMHDsolverdoesnothavetobemodified.ToshowthevalidationandcapacityofitsapplicationtoMHDproblemmodelling,interactionbetweenamagnetosonicshockandadensercloudandmagneticreconnectionproblemsareusedtoverifythisnewMHDcode.Thenumericaltestsfor2DOrszagandTang'sMHDvortex,interactionbetweenamagnetosonicshockandadensercloudandmagneticreconnectionproblemsshowthatthethirdorderWENOMHDsolversarerobustandyieldreliableresultsbythenewmixedGLMorthemixedEGLMcorrectionhereevenifitcannotbeshownthathowthedivergenceerrorsaretransportedaswellasdampedasdoneforonedimensionalidealMHDbyDedneretal.
%K WENOscheme
%K MHDnumericalsimulation
%K Orszag-Tangvortex
%K Magneticreconnection
%U http://www.cjss.ac.cn/CN/abstract/abstract894.shtml