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      Nonlocality and the critical Reynolds numbers of the minimum state magnetohydrodynamic turbulence

      Zhou, Ye; Oughton, Sean
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      Nonlocality.pdf
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      DOI
       10.1063/1.3606473
      Link
       pop.aip.org
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      Zhou, Y. & Oughton, S. (2011). Nonlocality and the critical Reynolds numbers of the minimum state magnetohydrodynamic turbulence. Physics of Plasmas, 18(7), 072304.
      Permanent Research Commons link: https://hdl.handle.net/10289/5682
      Abstract
      Magnetohydrodynamic (MHD) systems can be strongly nonlinear (turbulent) when their kinetic and magnetic Reynolds numbers are high, as is the case in many astrophysical and space plasma flows. Unfortunately these high Reynolds numbers are typically much greater than those currently attainable in numerical simulations of MHD turbulence. A natural question to ask is how can researchers be sure that their simulations have reproduced all of the most influential physics of the flows and magnetic fields? In this paper, a metric is defined to indicate whether the necessary physics of interest has been captured. It is found that current computing resources will typically not be sufficient to achieve this minimum state metric.
      Date
      2011
      Type
      Journal Article
      Publisher
      American Institute of Physics
      Rights
      © 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
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      • Computing and Mathematical Sciences Papers [1455]
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