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Scalar and tensor spherical harmonics expansion of the velocity correlation in homogeneous anisotropic turbulence

Journal Article · · Journal of Turbulence (Online)
 [1];  [2];  [3]
  1. NASA Langley Research Center, Hampton, VA (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Ecole Centrale de Lyon, Ecully Cedex (France)
The representation theory of the rotation group is applied to construct a series expansion of the correlation tensor in homogeneous anisotropic turbulence. The resolution of angular dependence is the main analytical difficulty posed by anisotropic turbulence; representation theory parametrises this dependence by a tensor analogue of the standard spherical harmonics expansion of a scalar. As a result, the series expansion is formulated in terms of explicitly constructed tensor bases with scalar coefficients determined by angular moments of the correlation tensor.
Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1227460
Report Number(s):
LA-UR--15-20047
Journal Information:
Journal of Turbulence (Online), Journal Name: Journal of Turbulence (Online) Journal Issue: 11 Vol. 16; ISSN 1468-5248
Country of Publication:
United States
Language:
English

References (15)

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The theory of axisymmetric turbulence
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journal October 1950
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Group Theory and its Applications to Physical Problems journal October 1962

Cited By (1)

Advanced spectral anisotropic modelling for shear flows journal June 2018

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