3d Simulations Of Excitation And Damping Of Waves In A Dipole Active Region

Details 3d Simulations Of Excitation And Damping Of Waves In A Dipole Active Region 3d Simulations Of Excitation And Damping Of Waves In A Dipole Active Region

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.9114s&link_type=abstract

American Astronomical Society Meeting 210, #91.14; Bulletin of the American Astronomical Society, Vol. 39, p.206

Astronomy and Astrophysics

Astronomy

Scientific paper

We present numerical results of three dimensional MHD model of an idealized active region field. The active region is initialized as a force-free dipole magnetic configuration with gravitationally stratified density and contains a loop with a higher density than its surroundings. This study represents an extension to the model of McLaughlin & Ofman (2007). We examine the impact of a different density profiles of the loop on excitation and damping of kink waves by introducing a velocity or pressure pulse which models the impact of a flare on surrounding fields. We study the resulting loop oscillations and compare our results with TRACE observations.

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