39 citations · 110 across the 11 of their papers we have counts for
11 papers
Magnetoconvection in a spherical shell: Bridging the gap between weak and strong-field dynamo regimes
Luke J. Gostelow, Robert J. Teed
At moderate levels of convective driving, simulations of dynamos in spherical shells often separate into two broad dipolar regimes characterised either by their relative magnetic f…
Influence of Boundary Conditions and Heating Modes on the Onset of Columnar Convection in Rotating Spherical Shells
William Seeley, Francesca Coke, Radostin Simitev +1
We investigate the linear onset of thermal convection in rotating spherical shells with a focus on the influence of mechanical boundary conditions and thermal driving modes. Using…
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…
Scaling of strong-field spherical dynamos
Robert J. Teed, Emmanuel Dormy
Numerical experiments of dynamo action designed to understand the generation of Earth's magnetic field produce different regime branches identified within bifurcation diagrams. Not…
Solenoidal force balances in numerical dynamos
Robert J. Teed, Emmanuel Dormy
Numerical simulations of the geodynamo (and other planetary dynamos) have made significant progress in recent years. As computing power has advanced, some new models claim to be ev…
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…
Dynamic mode decomposition to retrieve torsional Alfvén waves
Kumiko Hori, Steven M. Tobias, Robert J. Teed
Dynamic mode decomposition (DMD) is utilised to identify the intrinsic signals arising from planetary interiors. Focusing on an axisymmetric quasi-geostrophic magnetohydrodynamic (…
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…
On the necessary conditions for bursts of convection within the rapidly rotating cylindrical annulus
Robert J. Teed, Chris A. Jones, Rainer Hollerbach
Zonal flows are often found in rotating convective systems. Not only are these jet-flows driven by the convection, they can also have a profound effect on the nature of the convect…
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…
Rapidly rotating plane layer convection with zonal flow
Robert J. Teed, Chris A. Jones, Rainer Hollerbach
The onset of convection in a rapidly rotating layer in which a thermal wind is present is studied. Diffusive effects are included. The main motivation is from convection in planeta…