Fluid helicity and dynamo bifurcations

  • The bifurcation behaviour of the 3D magnetohydrodynamic equations has been studied for external forcings of varying degree of helicity. With increasing strength of the forcing a primary non-magnetic steady state loses stability to a magnetic periodic state if the helicity exceeds a threshold value and to different non-magnetic states otherwise.

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Author:Fred Feudel, Norbert Seehafer, Olaf Schmidtmann
Series (Serial Number):NLD Preprints (paper 018)
Document Type:Preprint
Year of Completion:1995
Publishing Institution:Universität Potsdam
Release Date:2007/06/08
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Zentrale und wissenschaftliche Einrichtungen / Interdisziplinäres Zentrum für Dynamik komplexer Systeme
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik