Applied Mathematics and Mechanics >
A closure model on velocity structure functions in homogeneous isotropic turbulence
Received date: 2016-10-22
Revised date: 2017-05-12
Online published: 2017-11-01
Supported by
Project supported by the National Natural Science Foundation of China (Nos. 11572025, 11202013, and 51420105008)
Closure models started from Chou's work have been developed for more than 70 years, aiming at providing analytical tools to describe turbulent flows in the spectral space. In this study, a preliminary attempt is presented to introduce a closure model in the physical space, using the velocity structure functions as key parameters. The present closure model appears to qualitatively reproduce the asymptotic scaling behaviors at small and large scales, despite some inappropriate behaviors such as oscillations. Therefore, further improvements of the present model are expected to provide appropriate descriptions of turbulent flows in the physical space.
Le FANG, Feng GAO . A closure model on velocity structure functions in homogeneous isotropic turbulence[J]. Applied Mathematics and Mechanics, 2017 , 38(11) : 1627 -1634 . DOI: 10.1007/s10483-017-2274-9
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