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MHD Turbulence Studies Using Lattice Boltzmann Algorithms

MHD Turbulence Studies Using Lattice Boltzmann Algorithms

Year:    2008

Author:    G. Vahala, B. Keating, M. Soe, J. Yepez, L. Vahala, J. Carter, S. Ziegeler

Communications in Computational Physics, Vol. 4 (2008), Iss. 3 : pp. 624–646

Abstract

Three dimensional free-decaying MHD turbulence is simulated by lattice Boltzmann methods on a spatial grid of 80003 for low and high magnetic Prandtl number. It is verified that ∇·B=0 is automatically maintained to machine accuracy throughout the simulation. Isosurfaces of vorticity and current show the persistence of many large scale structures (both magnetic and velocity) for a long time — unlike the velocity isosurfaces of Navier-Stokes turbulence. 

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/2008-CiCP-7808

Communications in Computational Physics, Vol. 4 (2008), Iss. 3 : pp. 624–646

Published online:    2008-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    23

Keywords:   

Author Details

G. Vahala Email

B. Keating Email

M. Soe Email

J. Yepez Email

L. Vahala Email

J. Carter Email

S. Ziegeler Email