% Filename : LM_Couette_R0093_020PI_vel_fluc_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_R0093_020PI_vel_fluc_prof.dat % % 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(mnlee@sandia.gov) 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') % % * 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 1.082697459395832e-37 0.000000000000000e+00 8.074427204205376e-39 0.000000000000000e+00 5.413487296979160e-38 4.814781378392752e-05 4.474289989264460e-03 1.554554437609742e-04 3.949867247841293e-16 7.294539745813412e-09 3.979416878950614e-13 1.412733714482898e-05 2.795370913818595e-14 7.772772196605874e-05 2.407066139520353e-04 2.236843396438600e-02 7.761169445748474e-04 2.452824662202587e-13 1.813476353790047e-07 4.984862123599545e-11 7.056189951657963e-05 3.498839084018773e-12 3.880584828808544e-04 6.738422300787139e-04 6.261895000913356e-02 2.166042127504667e-03 1.486498347072540e-11 1.404278013267180e-06 1.099752982025495e-09 1.971218984462946e-04 7.704319870949088e-11 1.083021291356002e-03 1.443558326269967e-03 1.341472864611176e-01 4.614969802770586e-03 3.057348015958351e-10 6.309073419532731e-06 1.091747153501444e-08 4.207195949662459e-04 7.379514521456579e-10 2.307487057650156e-03 2.645631688031891e-03 2.458538082365311e-01 8.385531199137637e-03 3.423572264704865e-09 2.050104622362308e-05 6.818517084839464e-08 7.665412120022284e-04 4.566188475146779e-09 4.192778129850740e-03 4.375547662071155e-03 4.066117973665867e-01 1.369632194437274e-02 2.429093262132749e-08 5.348626189856407e-05 3.145279107827906e-07 1.256911911871623e-03 2.074172073279697e-08 6.848213190035562e-03 6.728435792545118e-03 6.252614717896664e-01 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7.324177141721165e-02 2.161858513235529e-05 1.217958730671245e-03 9.281067826073870e-05 7.073764697754495e-03 4.878708780021798e-06 3.662595040119752e-02 3.481896092001469e-02 3.235663595862318e+00 8.430450831279555e-02 4.062937824023793e-05 1.565038126213019e-03 1.616977392910627e-04 8.246444959997493e-03 8.390604239123530e-06 4.215952180986251e-02 4.180012015567314e-02 3.884410204000000e+00 9.440956440303930e-02 7.028635386684541e-05 1.916823679088078e-03 2.588871807083624e-04 9.357384394555010e-03 1.353313244196569e-05 4.721452372935651e-02 4.942717260268714e-02 4.593178509959126e+00 1.002044057336326e-01 1.134113117995511e-04 2.280736561532242e-03 3.834316102803461e-04 1.035763708356268e-02 2.058889435568297e-05 5.011521113848374e-02 5.769497709844340e-02 5.361490754717924e+00 1.066727807055951e-01 1.725337442113250e-04 2.653295165033080e-03 5.290987495234487e-04 1.120985207731272e-02 2.970743282461008e-05 5.335295654082740e-02 6.659796056898437e-02 6.188829042507967e+00 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3.181637451337437e-02 4.283616839230325e-03 7.732964467018272e-03 3.644623025565429e-03 6.002561586526321e-04 1.454844767453654e-04 1.651082826396667e-02 9.870360716643837e-01 9.172349204285356e+01 3.033324506484545e-02 4.339004333535602e-03 7.955802084573157e-03 3.623785376668242e-03 2.016994295075153e-04 4.891260481195048e-05 1.582898845140862e-02