% Filename : LM_Couette_R0093_020PI_vor_pres_fluc_prof.txt % % Description : Variance & covariance of vorticity components and variance of pressure % % 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 % omega_x'omega_x' : Variance of omega_x % omega_y'omega_y' : Variance of omega_y % omega_z'omega_z' : Variance of omega_z % omega_x'omega_y' : Covariance of omega_x and omega_y % omega_x'omega_z' : Covariance of omega_x and omega_z % omega_y'omega_z' : Covariance of omega_y and omega_z % p'p' : Variance of pressure, p % % * Estimated standard deviations of datasets in this file are in the file: LM_Couette_R0093_020PI_vor_pres_fluc_prof_stdev.txt % % ** Data at y/delta = 1.0 is not computed due to code performance optimization % % *** omega_x'omega_z' and omega_y'omega_z' 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^+ omega_x'omega_x' omega_y'omega_y' omega_z'omega_z' omega_x'omega_y' omega_x'omega_z' omega_y'omega_z' p'p' %-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 0.000000000000000e+00 0.000000000000000e+00 7.588239581363117e-02 1.344302030040272e-70 1.728780923063720e-01 -1.248999924522850e-40 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