Wavelet Analysis of Two-Dimensional MHD Turbulence

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概要

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• The wavelet analysis is perforrned on the ntrrnerical restrlts of two-dinuensional rnagnetohy-drodynamic (IVIHD) turbtrlence. By virttre of sirntrltaneotrs resolution in scale and position ofwavelet decomposition, the intermittent nature is well captured. The whole region is successfullydivided into the two regions with different inertial subranges of energy spectra: the turbulentregion with E-j-(k) c< k "' and the coherent region with E7(k) (X k '. The local energy trans-fers by convection of velocity field and by stretching of magnetic field are probably responsiblefor the transition of turbulent state into coheretat state.

• 社団法人日本物理学会の論文
• 1998-02-15

著者

• Hattori Yuji

  Institute Of Fluid Science Tohoku University

• Ishizawa Akihiro

  Department Of Physics Tokyo Metropolitan University

関連論文

• Differential-geometric formulation of the ideal MHD(Mathematical Fluid Mechanics and Modeling)
• Large Coherent Structure Formation by Magnetic Stretching Term in Two-Dimensional MHD Turbulence
• Vorticity distribution caused by three-dimensional disturbance in two-dimensional shear flow
• Flow Around a Source Doublet in Shear Flow
• Mechanism of Closed Vortex Formation in Shear Flow
• Wavelet Analysis of Two-Dimensional MHD Turbulence

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