% Filename : LM_Couette_R0220_020PI_mean_stdev.dat % % Description : Estimated uncertainty due to finite statistical sample, expressed as the standard deviation, % for the statistical data provided in the file: LM_Couette_R0220_020PI_mean_prof.dat % % Total number of data points : 96 % % % % % 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(mnlee@sandia.gov) for questions. % % % The parameters defining the simulation from which this data were extracted are: % % Grid (streamwise) nx = 1280 % Grid (wall-normal) ny = 192 % Grid (spanwise) nz = 768 % Streamwise domain size Lx = 20pi % Spanwise domain size Lz = 5pi % B-Spline order n = 7 % Kinematic Viscosity nu = 2.50000e-04 % channel half width delta = 1.000 % Velocity at wall U_mean = (+/-) 1.000 % Friction vel u_tau = 5.47883e-02 % Re_tau Re_tau = 219.153 % % % 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 : Mean profile of streamwise velocity % dU/dy : Derivative of U in wall-normal direction % W : Mean profile of spanwise velocity % P : Mean profile of pressure % % * Data at y/delta = 1.0 is not computed due to code performance optimization % % ** W should be zero due to (statistical) symmetries in the flow. % It is reported here none-the-less as an indicator of the quality of the statistics. % % -----------End of header--------- % % y/delta y^+ U dU/dy W P %----------------------------------------------------------------------------------------------------------------------------------------------------- 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 2.059765673623204e-05 4.514042136904974e-03 8.484512804801927e-06 2.377504185800782e-03 5.866632749023992e-07 2.996326845943724e-16 1.029823439926414e-04 2.256890898285087e-02 4.242011229095238e-05 2.377503628198299e-03 2.933147535337008e-06 1.860281217245394e-13 2.883256182004690e-04 6.318747838032863e-02 1.187659237751445e-04 2.377498800041046e-03 8.212108823279520e-06 1.126601417427818e-11 6.177693459122890e-04 1.353861215402712e-01 2.544678030238359e-04 2.377472362042475e-03 1.759539309571284e-05 2.313840394427238e-10 1.132413839837088e-03 2.481721030163199e-01 4.664480560375642e-04 2.377360905148206e-03 3.225375656278022e-05 2.509242922403766e-09 1.873306006858533e-03 4.105409833052455e-01 7.715768003524028e-04 2.376971597131398e-03 5.335639521910165e-05 1.773606165875548e-08 2.881427511453483e-03 6.314740248223802e-01 1.186582252575693e-03 2.375802338286597e-03 8.206917767459283e-05 9.182375563450465e-08 4.177085301188321e-03 9.154215598633070e-01 1.719330906046996e-03 2.372778834129412e-03 1.189616814210268e-04 3.672125831847494e-07 5.759905750861605e-03 1.262301707274051e+00 2.368351304761497e-03 2.366035816763118e-03 1.639910486087924e-04 1.178107068968637e-06 7.629432426981109e-03 1.672014438199730e+00 3.130512359318602e-03 2.352920301602806e-03 2.170551736358718e-04 3.157291824645829e-06 9.785126219384543e-03 2.144441604929652e+00 3.999961532067522e-03 2.330644071717750e-03 2.779330623581817e-04 7.308245050729411e-06 1.222636549670120e-02 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