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Local three-dimensional simulations of the convective overstability in protoplanetary discs
Robert J. Teed, Henrik N. Latter
At certain radii protoplanetary discs may sustain a form of oscillatory convection (`convective overstability'; COS) due to localised adverse entropy gradients. The resulting hydro…
Axisymmetric simulations of the convective overstability in protoplanetary discs
Robert J. Teed, Henrik H. Latter
Protoplanetary discs at certain radii exhibit adverse radial entropy gradients that can drive oscillatory convection (`convective overstability'; COS). The ensuing hydrodynamical a…
Anelastic torsional oscillations in Jupiter's metallic hydrogen region
Kumiko Hori, Robert J. Teed, Chris A Jones
We consider torsional Alfvén waves which may be excited in Jupiter's metallic hydrogen region. These axisymmetric zonal flow fluctuations have previously been examined for incompre…
The dynamics and excitation of torsional waves in geodynamo simulations
Robert J. Teed, Chris A. Jones, Steven M. Tobias
The predominant force balance in rapidly rotating planetary cores is between Coriolis, pressure, buoyancy and Lorentz forces. This magnetostrophic balance leads to a Taylor state w…