Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/81834
Title: Near-wall damping in model predictions of separated flows
Authors: Skote, Martin
Wallin, Stefan
Keywords: turbulent boundary layer
adverse pressure gradient
Issue Date: 2016
Source: Skote, M., & Wallin, S. (2016). Near-wall damping in model predictions of separated flows. International Journal of Computational Fluid Dynamics, 30(3), 218-230.
Series/Report no.: International Journal of Computational Fluid Dynamics
Abstract: Different near-wall scalings are reviewed by the use of data from direct numerical simulations (DNS) of attached and separated adverse pressure gradient turbulent boundary layers. The turbulent boundary layer equation is analysed in order to extend the validity of existing wall damping functions to turbulent boundary layers under severe adverse pressure gradients. A proposed near-wall scaling is based on local quantities and the wall distance, which makes it applicable for general computational fluid dynamics (CFD) methods. It was found to have a similar behaviour as the pressure-gradient corrected analytical y* scaling and avoids the inconsistencies present in the y+ scaling. The performance of the model is illustrated by model computations using explicit algebraic Reynolds stress models with near-wall damping based on different scalings.
URI: https://hdl.handle.net/10356/81834
http://hdl.handle.net/10220/41040
ISSN: 1061-8562
DOI: 10.1080/10618562.2016.1194402
Rights: © 2016 Informa UK Limited (published by Taylor & Francis). This is the author created version of a work that has been peer reviewed and accepted for publication in International Journal of Computational Fluid Dynamics, published by Taylor & Francis on behalf of Informa UK Limited. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document.  The published version is available at: [http://dx.doi.org/10.1080/10618562.2016.1194402].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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