TY - DATA
T1 - Data underlying the publication: Direct numerical simulation of turbulent open channel flow
PY - 2024/09/20
AU - Christian Bauer
AU - Yoshiyuki Sakai
AU - Markus Uhlmann
UR - 
DO - 10.4121/88678f02-2a34-4452-8534-6361fc34d06b.v3
KW - direct numerical simulation
KW - DNS
KW - turbulent open channel flow
KW - OCF
KW - plane channel flow
KW - CCF
KW - free-slip boundary
KW - turbulence statistics
KW - velocity profile
KW - correlations
N2 - <p>==============================================================================</p><p>DNS DATA OF TURBULENT CLOSED AND OPEN CHANNEL FLOW</p><p>IN BOXES OF Lx/h = 12pi, Lz/h = 4pi&nbsp;</p><p>FOR Re_tau = 200,400,600,900&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p><p>==============================================================================</p><p>Authors: C. Bauer, Y. Sakai &amp; M. Uhlmann&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p><p>correspondence: christian.bauer@dlr.de</p><p>Reference: Bauer, C., Sakai, Y., Uhlmann, M. (2024). <em>Direct numerical simulation of turbulent open channel flow: Streamwise turbulence intensity scaling and its relation to large-scale coherent motions.</em> Progress in turbulence X, Springer proceedings in physics 404, p. 311-317, https://doi.org/10.1007/978-3-031-55924-2_42</p><p>Numerical Method: Kim, Moin &amp; Moser, 1987, J. Fluid Mech. vol 177, 133-166&nbsp;&nbsp;</p><p>----------------------------------------------------------------------------------------------------------------------------</p><p>&nbsp;The data was obtained from direct numerical simulations of open and closed&nbsp;channel flow using a pseudo-spectral method which solves the wall-normal&nbsp;velocity/vorticity formulation of the Navier-Stokes equation introduced by&nbsp;Kim et al (1987).&nbsp;The flow domain contains Nx*Ny*Nz grid points with equidistant grid spacing&nbsp;in x and z direction and a Chebyshev-Gauss-Lobatto (CGL) grid in y direction.&nbsp;Note that the open channel flow simulations feature&nbsp;a grid refinement towards both the no-slip and the free-slip boundary condition.</p><p>----------------------------------------------------------------------------------------------------------------------------</p><p>For detailed information see data-sheet-ocf.pdf and data-sheet-ccf.pdf</p>
ER -