Reference : Estimations of the Influence of the Non-Linearity of the Aerodynamic Coefficients on the...

	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Civil engineering
	To cite this reference:	http://hdl.handle.net/2268/13025

Title :	Estimations of the Influence of the Non-Linearity of the Aerodynamic Coefficients on the Skewness of the Loading
Language :	English
Author, co-author :	Denoël, Vincent [Université de Liège - ULg > Département Argenco : Secteur MS2F > Mécanique des solides >]
	Degée, Hervé [Université de Liège - ULg > Département ArGEnCo > Département ArGEnCo >]
Publication date :	2005
Main document title :	Proceedings of the 6th Asia-Pacific Conference on Wind Engineering
Publisher :	Techno-Press
Audience :	International
Event name :	APCWE, 6th Asia-Pacific Conference on Wind Engineering
Event date :	September 12-14, 2005
Event place (city) :	Seoul
Event country :	South Korea
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.
Funders :	Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/2268/13025

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