The helicity constraint in spherical shell dynamos
A. Brandenburg, P. J. K\"apyl\"a, D. Mitra, D. Moss, R. Tavakol
TL;DR
This paper reviews the magnetic helicity constraint in spherical shell dynamos, presenting preliminary 3D and 2D simulation results that reveal similarities and differences relevant to solar magnetic field generation.
Contribution
It introduces new simulation data on spherical shell dynamos, highlighting the role of magnetic helicity constraints in large-scale magnetic field generation.
Findings
Similarities between 3D and 2D models in dynamo behavior
Differences observed in simulation results
Insights into magnetic helicity's role in solar dynamos
Abstract
The motivation for considering distributed large scale dynamos in the solar context is reviewed in connection with the magnetic helicity constraint. Preliminary accounts of 3-dimensional direct numerical simulations (in spherical shell segments) and simulations of 2-dimensional mean field models (in spherical shells) are presented. Interesting similarities as well as some differences are noted.
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