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Estimations of the Influence of the Non-Linearity of the Aerodynamic Coefficients on the Skewness of the Loading
Denoël, Vincent; Degée, Hervé
2005In Proceedings of the 6th Asia-Pacific Conference on Wind Engineering
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Abstract :
[en] This paper is devoted to the non linear quasi-steady aerodynamic loading. A linear approximation is often used to compute the response of structures to buffeting forces. Some researchers have however shown that it is possible to account for the non linearity of this loading. This non linearity can come (i) from the squared velocity or (ii) from the shape of the aerodynamic coefficients (as functions of the wind angle of attack). In this paper, we show that this second origin can have significant implications on the design of the structure, particularly when the non linearity of the aerodynamic coefficient is important (obvious, isn’t it?) or when the transverse turbulence is important. This paper is devoted to the non linear quasi-steady aerodynamic loading. A linear approximation is often used to compute the response of structures to buffeting forces. Some researchers have however shown that it is possible to account for the non linearity of this loading. This non linearity can come (i) from the squared velocity or (ii) from the shape of the aerodynamic coefficients (as functions of the wind angle of attack). In this paper, we show that this second origin can have significant implications on the design of the structure, particularly when the non linearity of the aerodynamic coefficient is important (obvious, isn’t it?) or when the transverse turbulence is important.
Disciplines :
Civil engineering
Author, co-author :
Denoël, Vincent  ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Mécanique des solides
Degée, Hervé ;  Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Language :
English
Title :
Estimations of the Influence of the Non-Linearity of the Aerodynamic Coefficients on the Skewness of the Loading
Publication date :
2005
Event name :
APCWE, 6th Asia-Pacific Conference on Wind Engineering
Event place :
Seoul, South Korea
Event date :
September 12-14, 2005
Audience :
International
Main work title :
Proceedings of the 6th Asia-Pacific Conference on Wind Engineering
Publisher :
Techno-Press
Peer reviewed :
Peer reviewed
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 22 May 2009

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