% Filename : LM_Couette_R0093_020PI_vel_fluc_prof.txt % % Description : Variance and covariance of velocity components % % Total number of data points : 64 % % % % % The data in this file was extracted from a direct numerical simulation % of fully developed plane turbulent Couette flow. The file is available at % http://turbulence.ices.utexas.edu, where it will be updated as necessary. % % When publishing results using this data, the following paper should be % cited as the source: % % Myoungkyu Lee and Robert D. Moser, % Extreme-scale motions in turbulent plane Couette flows, % 2018, Journal of Fluid Mechanics, vol. 842, pp. 128-145 % % The paper can be found at http://doi.org/10.1017/jfm.2018.131 % % NOTE: before publication, please check % http://turbulence.ices.utexas.edu for any updates to the data and an % updated citation % % % Contact to Robert D. Moser(rmoser@ices.utexas.edu) or M.K. Lee(leemk@uh.edu) for questions. % % % The parameters defining the simulation from which this data were extracted are: % % Grid (streamwise) nx = 640 % Grid (wall-normal) ny = 128 % Grid (spanwise) nz = 288 % Streamwise domain size Lx = 20pi % Spanwise domain size Lz = 5pi % B-Spline order n = 7 % Kinematic Viscosity nu = 6.66667e-04 % channel half width delta = 1.000 % Velocity at wall U_mean = (+/-) 1.000 % Friction vel u_tau = 6.19521e-02 % Re_tau Re_tau = 92.928 % % % All data are normalized by u_tau and nu (signified with a ^+) except % for y/delta % % This file was last updated on 3/7/2018. % % % % Remark: % % y/delta : Grid point in wall-normal direction, Normalized by channel half width % y^+ : Grid point in wall-normal direction % u'u' : Variance of u % v'v' : Variance of v % w'w' : Variance of w % u'v' : Covariance of u and v % u'w' : Covariance of u and w % v'w' : Covariance of v and w % k : Turbulent kinetic energy, k = 0.5*(u'u' + v'v' + w'w') % % * Estimated standard deviations of datasets in this file are in the file: LM_Couette_R0093_020PI_vel_fluc_stdev.txt % % ** Data at y/delta = 1.0 is not computed due to code performance optimization % % *** u'w' and v'w' should be zero due to (statistical) symmetries in the flow. % These are reported here none-the-less as an indicator of the quality of the statistics. % % -----------End of header--------- % % y/delta y^+ u'u' v'v' w'w' u'v' u'w' v'w' k %-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 1.882956722227374e-35 0.000000000000000e+00 1.748070833012212e-38 0.000000000000000e+00 9.414783611136872e-36 4.814781378392752e-05 4.474289989264460e-03 3.460488791037114e-06 6.792227690562033e-14 1.517382675675919e-06 -9.891021537802725e-11 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