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Aerodynamic analysis of a C-class-like catamaran in simplified unsteady wind conditions using LES and URANS modeling

Fiumara, Alessandro and Gourdain, Nicolas and Chapin, Vincent and Senter, Julien Aerodynamic analysis of a C-class-like catamaran in simplified unsteady wind conditions using LES and URANS modeling. (2018) Journal of Wind Engineering and Industrial Aerodynamics, 180. 262-275. ISSN 0167-6105

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Official URL: https://doi.org/10.1016/j.jweia.2018.08.008

Abstract

Highlights • A numerical analysis on a C-class-like geometry is performed in unsteady wind conditions at different wind frequencies. • LES and URANS models agree in predicting the global aerodynamic coefficients as well as the flow structures of the wingsail. •Stall cells appear on the wingsail in case of unsteady wind conditions and their features depend on wind frequency. •The wind frequency, affecting the stall cells, leads to a modification of the aerodynamic coefficients of the wingsail.

Item Type:Article
HAL Id:hal-01874317
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Other partners > Assystem (FRANCE)
Laboratory name:
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Deposited By: Vincent Chapin
Deposited On:14 Sep 2018 09:36

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