5 papers
Quasi-geostrophic Rayleigh-Bénard convection on the tilted -plane
Benjamin Miquel, Abram Ellison, Michael A. Calkins +2
Rapidly rotating Rayleigh-Bénard convection on a -plane at colatitude is investigated numerically using an asymptotically reduced equation set valid in the limit…
Effects of global core-mantle boundary topography on outer-core convection and topographic torques
Tobias G. Oliver, Eric G. Blackman, John A. Tarduno +1
Topography at the core-mantle boundary (CMB) couples the outer core to the mantle and likely generates observable variations in the length of day (LOD) and the geomagnetic fiel…
Asymptotics of spherical dynamos exhibiting a small-scale MAC balance
Justin A. Nicoski, Andy Esseln, Chris Davies +1
Understanding the asymptotic behaviour of numerical dynamo models is critical for extrapolating results to the physical conditions that characterise terrestrial planetary cores. He…
Boundary layers in quasi-static magnetoconvection with a vertical field and their implications for heat transport
Talal AlRefae, Michael A. Calkins
Heat transport in quasi-static magnetoconvection with a vertical magnetic field in a plane layer geometry is investigated with direct numerical simulations and asymptotic theory in…
Turbulence in Earth's core generates large topographic torques on the mantle
Tobias G. Oliver, Eric G. Blackman, John A. Tarduno +1
Seismic and geodynamic studies indicate that the boundary between the Earth's liquid outer core and solid mantle is not spherical, but is likely characterized by topography in the…