Mean-field concept and direct numerical simulations of rotating magnetoconvection and the geodynamo
M. Schrinner, K. -H. Raedler, D. Schmitt, M. Rheinhardt, U. R. Christensen
Abstract
A comparison is made between mean-field models and direct numerical simulations of rotating magnetoconvection and the geodynamo. The mean-field coefficients are calculated with the fluid velocity taken from the direct numerical simulations. The magnetic fields resulting from mean-field models are then compared with the mean magnetic field from the direct numerical simulations.
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