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| corrt.044.mat | 2016-06-22 03:20 | 320K | |
| corrt.048.mat | 2016-06-22 03:20 | 336K | |
| corrt.049.mat | 2016-06-22 03:20 | 340K | |
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| corrt.169.mat | 2016-06-22 03:20 | 1.9M | |
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Files in this directory contain temporal correlations of time histories
extracted from direct numerical simulations of statistically-stationary
homogeneous shear turbulence.
Each MAT file is named by the index of a simulation, which is given in
the table stats_HST.txt in the folder /turbdata/HST/stats/statistics.
Before computing correlation, time histories are interpolated with
constant time interval (mean history recording frequency) and their mean
values are substracted. Correlations are computed mwith MATLAB function
xcorr. Please read MATLAB documents for more information.
-----------------------------------------------------------------------
Contents:
Ku : Kurtosis of the time histories sqrt(<u^2>)(t). <*> means volume
average of *. The same definition for Kv and Kw.
Rez: Reynolds number SLz^2/nu.
Axz: streamwise aspect ratio Lx/Lz.
Ayz: spanwise aspect ratio Ly/Lz.
t0 : the time lag in shear unit, in the range [-50 50].
Cxx: self-correlation, x=u,v,w,p,d, note that p means production, NOT
pressure and d means dissipation.
Cxy: cross-correlation between x and y, Cxy=xcorr(y,x,'coeff').
-----------------------------------------------------------------------
References: Sekimoto, A., Dong, S. and Jimenez, J. 2016 Direct numerical
simulation of statistically stationary and homogeneous shear
turbulence and its relation to other shear flows, Phys. Fluids,
28, 035101.
Before final publication of a paper citing these data, please check this
site for an up-to-date reference.
Please report any problems with the data to S. Dong,
siwei@torroja.dmt.upm.es