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physics.flu-dyn2026
Magnetohydrodynamic drag on an oscillating sphere in a rotating spherical cavity
David Cébron, Paolo Personnettaz
The drag on an oscillating sphere is a classical fluid-mechanics problem, yet no existing theory simultaneously accounts for confinement, rotation, viscosity and magnetic fields. W…
physics.flu-dyn2026
Semi-convection in rotating spherical shells: flows, layers and dynamos
Paul Pružina, Nathanaël Schaeffer, David Cébron
Large regions of giant planets are thought to possess unstable thermal gradients stabilised by gradients in heavy-element composition. The fluid can then develop semi-convection, a…
physics.flu-dyn2025
Geophysical flows over topography, a playground for laboratory experiments
Jérémie Vidal, Jérôme Noir, David Cébron +4
Physicists face major challenges in modelling multi-scale phenomena that are observed in geophysical flows (e.g. in the Earth's oceans and atmosphere, or liquid planetary cores). I…