Migration of anticyclonic vortices in the protoplanetary disk

Details Migration of anticyclonic vortices in the protoplanetary disk Migration of anticyclonic vortices in the protoplanetary disk

2012-01-16

arxiv.org/abs/1201.3257v2

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

Contribution for the 20th French Congress of Mechanics at Besancon, France in 29th August 2011

Scientific paper

This contribution describes the evolution of the protoplanetary disk using 2D numerical simulations. The 2D Euler equations are solved with the finite volume method. The numerical simulations are used to study the persistence and migration of anticyclonic vortices. Two cases are presented : (1) vortices produced by a Rossby wave instability, (2) a non-linear vortex model initially implemented into the disk. The migration of the vortices is due to spiral density waves excited by the vortex in the gas of the disk

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