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Aspects of subgrid modelling and large-eddy simulation of magnetohydrodynamic turbulence

Published online by Cambridge University Press:  13 March 2009

Ye Zhou
Affiliation:
Bartol Research Institute, University of Delaware, Newark, Delaware 19716, U.S.A.
George Vahala
Affiliation:
Department of Physics, College of William and Mary, Williamsburg, Virginia 23185, U.S.A.

Abstract

Subgrid-scale closures for magnetohydodynamic (MHD) turbulence are examined using the filtering technique. From the similarities between incompressible MHD turbulence and its hydrodynamic counterpart, as well as ideas from dynamo theory, a subgrid model is constructed from the large-eddy simulation (LES) of MHD turbulence. This model should find applicability in treating LES of the reversed-field pinch.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1991

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