Curvature effects on the structure of near-wall turbulence
DOI10.5281/zenodo.7879911Zenodo7879911MaRDI QIDQ6704673
Dataset published at Zenodo repository.
Author name not available (Why is that?)
Publication date: 30 April 2023
Copyright license: No records found.
The results contained in this repository are computed from a database produced with Direct Numerical Simulation of the turbulent incompressible flow in a plane channel with a small concave-convex-concave bump on the bottom wall. The database is documented by Banchetti, Luchini Quadrio, J. Fluid Mech. 896, A10 (2020). The Reynolds number based on the bulk velocity and on the channel half-height is Re=3173. We provide the two-dimensional mean field as well as all the non-null components of the second-order structure function tensor, and the terms involved in their budget equations, i.e. the Anisotropic Generalised Kolmogorov Equations (AGKE). Further details can be found on the accompanying paper (same title, same authors), currently submitted to the Journal of Fluid Mechanics. The data are provided in VTK format, so that they can be visualised with several applications, as for example the open-source package ParaView. The file mean.vtk contains the mean flow in terms of velocity components and pressure field. The files dudu-Budget.vtk, dvdv-Budget.vtk, dwdw-Budget.vtk, dudv-Budget.vtk and dqdq-Budget.vtk contain the complete set of terms appearing in the budget equations for the non-null components of the second-order structure function tensor, and for its trace, i.e. the AGKE.
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