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SUMMARY:The standard flare model in 3D : MHD simulations and coronal obser
 vations - Dr. Miho Janvier (University of Dundee)
DTSTART:20140218T130000Z
DTEND:20140218T140000Z
UID:TALK49487@talks.cam.ac.uk
CONTACT:Dr. Jaroslav Dudik
DESCRIPTION:  Solar eruptive flares lead to the ejection of coronal mass e
 jections (CMEs) that are amongst the main drivers for space weather. 2D mo
 dels have been developed so as to understand the formation of flare loops 
 and the flux rope (i.e. the CME) during an eruptive flare. However\, the i
 ntrinsic 3D nature of both structures implies a need to extend those 2D mo
 dels in a more complete 3D version. Also\, in situ data analysis of magnet
 ic clouds (MCs)\, a subclass of interplanetary CMEs sheds some light on th
 e structure of propagating flux ropes.\n  In this work\, I will present th
 e main observational characteristics of eruptive flares\, and how we can u
 se a 3D magnetohydrodynamic simulation to understand their underlying mech
 anisms. I will compare observational data from STEREO and SDO with the res
 ults from the numerical model\, and how fulfilled predictions ensure the v
 alidity of our simulations. In particular\, I will focus on the reconnecti
 on mechanism leading to the further development of the flux rope\, the fla
 re loops\, and the flare ribbons.
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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