% Filename : LM_Couette_R0220_100PI_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_100PI_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 = 6144 % Grid (wall-normal) ny = 192 % Grid (spanwise) nz = 768 % Streamwise domain size Lx = 100pi % 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 = 5.48697e-02 % Re_tau Re_tau = 219.479 % % % 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 4.520751555384802e-03 4.760816315099168e-06 1.332081440398889e-03 3.090585455594386e-07 1.680339278137367e-16 1.029823439926414e-04 2.260245414047382e-02 2.380270991626604e-05 1.332081557515259e-03 1.545203440355068e-06 1.043153162400897e-13 2.883256182004690e-04 6.328139669617082e-02 6.664184337369660e-05 1.332082167084974e-03 4.326191843466388e-06 6.316155461909976e-12 6.177693459122890e-04 1.355873518607302e-01 1.427876190976567e-04 1.332082853216189e-03 9.269307455753076e-06 1.296762922421287e-10 1.132413839837088e-03 2.485409720794912e-01 2.617399007853286e-04 1.332075538298306e-03 1.699105878805371e-05 1.405482954120035e-09 1.873306006858533e-03 4.111511883446703e-01 4.329842162528658e-04 1.332020414391099e-03 2.810651749090394e-05 9.926309814625968e-09 2.881427511453483e-03 6.324126123151812e-01 6.659762482540984e-04 1.331780511680287e-03 4.322754051875843e-05 4.662572677540238e-08 4.177085301188321e-03 9.167821910103595e-01 9.653291433461560e-04 1.330987099369610e-03 6.264940577637371e-05 1.868660576475117e-07 5.759905750861605e-03 1.264177921572687e+00 1.330677205596236e-03 1.328820503728088e-03 8.634254153751849e-05 6.010825275361309e-07 7.629432426981109e-03 1.674499626470013e+00 1.761132657285778e-03 1.323647146092877e-03 1.142481457352835e-04 1.615720891050368e-06 9.785126219384543e-03 2.147628982383531e+00 2.254698707009447e-03 1.312464570833350e-03 1.462616390067892e-04 3.752229063890848e-06 1.222636549670120e-02 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