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WMLES results for channel flow and flat plate TBL using Nek5000

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posted on 2024-04-08, 11:33 authored by Timofey MukhaTimofey Mukha, Philipp SchlatterPhilipp Schlatter

This dataset accompanies the following paper:

The results are divided into channel flow and zpgtbl. Most data are in hdf5 format, and the contents can be explored via direct interrogation of the hdf5 in your favourite programming language.


For zpgtbl, 3 .hdf5 files corresponding to the 3 meshes are provided.

For channel flow, the tr_ prefix indicates the Neumann boundary condition, the vs_ the viscosity-based. Then, vrm indicates the Vreman model and sigma the Sigma model. The time_averaging folder contains results for the averaged wall model input. The number after "n" in the file name indicates the number of time-steps the input is averaged across. Finally, the time_spectrum.npy holds the PSD of the velocity signal, as seen in the paper.


Additionally, we provide a packed version of Nek5000 and the KTH_Toolbox, which were used to produce the results. These are found under simulation_codes. For wall modelling, https://github.com/timofeymukha/nekwmles was used. An example channel flow case can be found in that repository and is a great starting point for reproducing these results.

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