A simplified numerical model of coronal energy dissipation based on reduced MHD

Details A simplified numerical model of coronal energy dissipation based on reduced MHD A simplified numerical model of coronal energy dissipation based on reduced MHD

2002-12-19

arxiv.org/abs/astro-ph/0212444v2

Astron.Astrophys. 406 (2003) 1061-1070

Astronomy and Astrophysics

Astrophysics

11 pages, 9 figures Accepted for publication in Astronomy & Astrophysics

Scientific paper

10.1051/0004-6361:20030730

A 3D model intermediate between cellular automata (CA) models and the reduced magnetohydrodynamic (RMHD) equations is presented to simulate solar impulsive events generated along a coronal magnetic loop. The model consists of a set of planes distributed along a magnetic loop between which the information propagates through Alfven waves. Statistical properties in terms of power-laws for energies and durations of dissipative events are obtained, and their agreement with X-ray and UV flares observations is discussed. The existence of observational biases is also discussed.

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