Large-eddy simulation of magnetohydrodynamic turbulence

被引：27
|
作者：
Müller, WC [1 ]
Carati, D
机构：
[1] Max Planck Inst Plasma Phys, Ctr Interdisciplinary Plasma Sci, D-85748 Garching, Germany
[2] Free Univ Brussels, Euratom Belgian State Assoc, B-1050 Brussels, Belgium
来源：
COMPUTER PHYSICS COMMUNICATIONS | 2002年 / 147卷 / 1-2期
关键词：
magnetohydrodynamics; turbulence large-eddy simulation;
D O I：
10.1016/S0010-4655(02)00341-7
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Pseudospectral large-eddy simulations (LES) of incompressible magnetohydrodynamic (MHD) turbulence are performed with a maximum of 64(3) collocation points. Different gradient-diffusion type subgrid models are evaluated. This is done by comparing the obtained LES results to reference data stemming from high-resolution direct numerical simulations of decaying MHD turbulence with up to 512(3) spectral modes. A newly developed MHD subgrid model, based on the ideal cross-helicity invariant of MHD turbulence, is tested and observed to perform excellently well. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：544 / 547
页数：4
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