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Topology and field strength in spherical, anelastic dynamo simulations
Astronomy and Astrophysics
Numerical modelling of convection driven dynamos in the Boussinesq approximation revealed fundamental characteristics of the dynamo-generated magnetic fields and the fluid flow. Because these results were obtained for an incompressible fluid, their validity for gas planets and stars remains to be assessed. A common approach is to take some density stratification into account with the so-called anelastic approximation. The validity of previous results obtained in the Boussinesq approximation isdoi:10.1051/0004-6361/201322801 fatcat:ednqb5mwwvdgfj6ynbzcm3chbe