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Retraction: “Direct numerical simulation of the Ekman layer: A step in Reynolds number, and cautious support for a log law with a shifted origin”

By Philippe R. Spalart, Gary N. Coleman and Roderick Johnstone

Abstract

A retraction of our findings in Ref. [1] is necessary. The numerical accuracy was not up to the required standards, allowing an error of about 0.3 in U+ in the buffer layer, and was insufficient to support the logarithmic law that was proposed. New results on two levels of finer grids are presented and found to be close, and to compare very well with the channel direct numerical simulation DNS results of Hoyas and Jiménez[2]. Conversely, the excellent agreement with an analytical fit to experiments proposed by Chauhan et al.[3], well into the range of several hundred for z+ is lost

Topics: TA, TL, QA76
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:71718
Provided by: e-Prints Soton
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