Advances in geodynamo modelling

J Wicht, S Sanchez - Geophysical & Astrophysical Fluid Dynamics, 2019 - Taylor & Francis
This paper reviews the remarkable developments in numerical geodynamo simulations over
the last few years. Simulations with Ekman numbers as low as E= 10− 8 E= 10− 8 are now …

Turbulent geodynamo simulations: a leap towards Earth's core

N Schaeffer, D Jault, HC Nataf… - Geophysical Journal …, 2017 - academic.oup.com
We present an attempt to reach realistic turbulent regime in direct numerical simulations of
the geodynamo. We rely on a sequence of three convection-driven simulations in a rapidly …

[HTML][HTML] Multidimensional simulations of core convection

D Lecoanet, PVF Edelmann - Galaxies, 2023 - mdpi.com
The cores of main sequence intermediate-and high-mass stars are convective. Mixing at the
radiative–convective boundary, waves excited by the convection, and magnetic fields …

First field application of cyclic soft stimulation at the Pohang Enhanced Geothermal System site in Korea

H Hofmann, G Zimmermann, M Farkas… - Geophysical Journal …, 2019 - academic.oup.com
Precession of planets or moons affects internal liquid layers by driving flows, instabilities and
possibly dynamos. The energy dissipated by these phenomena can influence orbital …

Community‐driven code comparisons for three‐dimensional dynamic modeling of sequences of earthquakes and aseismic slip

J Jiang, BA Erickson, VR Lambert… - Journal of …, 2022 - Wiley Online Library
Dynamic modeling of sequences of earthquakes and aseismic slip (SEAS) provides a self‐
consistent, physics‐based framework to connect, interpret, and predict diverse geophysical …

Confinement of the solar tachocline by dynamo action in the radiative interior

LI Matilsky, BW Hindman… - The Astrophysical …, 2022 - iopscience.iop.org
A major outstanding problem in solar physics is the confinement of the solar tachocline, the
thin shear layer that separates nearly solid-body rotation in the radiative interior from strong …

Precessing spherical shells: flows, dissipation, dynamo and the lunar core

D Cébron, R Laguerre, J Noir… - Geophysical Journal …, 2019 - academic.oup.com
Precession of planets or moons affects internal liquid layers by driving flows, instabilities and
possibly dynamos. The energy dissipated by these phenomena can influence orbital …

Scaling behaviour in spherical shell rotating convection with fixed-flux thermal boundary conditions

RS Long, JE Mound, CJ Davies… - Journal of Fluid …, 2020 - cambridge.org
Bottom-heated convection in rotating spherical shells provides a simple analogue for many
astrophysical and geophysical fluid systems. We construct a database of 74 three …

Morphological classification of the convective regimes in rotating stars

BW Hindman, NA Featherstone… - The Astrophysical …, 2020 - iopscience.iop.org
We present a set of numerical simulations that model the convection zones of solar-like
stars. With this suite of numerical experiments, we explore how the nature of the convective …

Radial trapping of thermal Rossby waves within the convection zones of low-mass stars

BW Hindman, R Jain - The Astrophysical Journal, 2022 - iopscience.iop.org
We explore how thermal Rossby waves propagate within the gravitationally stratified
atmosphere of a low-mass star with an outer convective envelope. Under the conditions of …