Three-dimensional MHD simulation of expanding magnetic flux ropes

Details Three-dimensional MHD simulation of expanding magnetic flux ropes Three-dimensional MHD simulation of expanding magnetic flux ropes

2007-08-15

arxiv.org/abs/0708.2049v1

Physics

Plasma Physics

9 figures

Scientific paper

10.1063/1.2903904

Three-dimensional, time-dependent numerical simulations of the dynamics of magnetic flux ropes are presented. The simulations are targeted towards an experiment previously conducted at CalTech (Bellan, P. M. and J. F. Hansen, Phys. Plasmas, 5, 1991 (1998)) which aimed at simulating Solar prominence eruptions in the laboratory. The plasma dynamics is described by ideal MHD using different models for the evolution of the mass density. Key features of the reported experimental observations like pinching of the current loop, its expansion and distortion into helical shape are reproduced in the numerical simulations. Details of the final structure depend on the choice of a specific model for the mass density.

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