MHD Turbulence Studies Using Lattice Boltzmann Algorithms

Authors

  • G. Vahala, B. Keating, M. Soe, J. Yepez, L. Vahala, J. Carter & S. Ziegeler

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. 

Published

2008-09-05

Issue

Section

Articles