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Title: Multiple eruptions from magnetic flux emergence
Authors: MacTaggart, David
Hood, Alan W.
Affiliation: University of Abertay Dundee. School of Computing & Engineering Systems
Keywords: Magnetic fields
Magnetohydrodynamics (MHD)
Numerical simulation
Flux emergence
Coronal mass ejections
Issue Date: Dec-2009
Publisher: EDP Sciences
Type: Journal Article
Refereed: peer-reviewed
Rights: This is the published version of this article. Reproduced with permission from the publisher. Published version (c)EDP Sciences, available from http://dx.doi.org/10.1051/0004-6361/200913197 and http://www.aanda.org/
Citation: MacTaggart, D. and Hood, A.W. 2009. Multiple eruptions from magnetic flux emergence. Astronomy and Astrophysics. 508(1): pp.445-449. Available from http://dx.doi.org/10.1051/0004-6361/200913197
Abstract: Aims. In this paper we study the effects of a toroidal magnetic flux tube emerging into a magnetized corona, with an emphasis on large-scale eruptions. The orientation of the fields is such that the two flux systems are almost antiparallel when they meet. Methods. We follow the dynamic evolution of the system by solving the 3D MHD equations using a Lagrangian remap scheme. Results. Multiple eruptions are found to occur. The physics of the trigger mechanisms is discussed and related to well-known eruption models.
URI: http://hdl.handle.net/10373/1157
ISSN: 0004-6361
Appears in Collections:Computing & Engineering Systems Collection

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