A study of wind drags on straight and twisted towers

Tang, J, Xie, Y and Felicetti, P 2011, 'A study of wind drags on straight and twisted towers', in S.Fragomeni, S. Venkatesan, N.Lam and S.Setunge (ed.) Incorporating sustainable practice in mechanics of structures and materials, Melbourne, Australia, 7-10 Dec 2010, pp. 335-339.


Document type: Conference Paper
Collection: Conference Papers

Title A study of wind drags on straight and twisted towers
Author(s) Tang, J
Xie, Y
Felicetti, P
Year 2011
Conference name 21st Australasian conference on mechanics of structures and materials
Conference location Melbourne, Australia
Conference dates 7-10 Dec 2010
Proceedings title Incorporating sustainable practice in mechanics of structures and materials
Editor(s) S.Fragomeni, S. Venkatesan, N.Lam and S.Setunge
Publisher Taylor and Francis
Place of publication London, UK
Start page 335
End page 339
Total pages 5
Abstract This paper presents a systematic study of wind drags on high-rise buildings of various shapes using computational fluid dynamics (CFD). By increasing the side number of a polygon, the drag coefficient of the extruded tower decreases and eventually approaches to that of a circular tower. The results also show consistent reduction of wind drag when round corners are applied to the polygonal cross section and when the radius of the round corner is gradually increased. This paper also investigates the effect of twisting the build ing on reducing the wind drag. Design of Experiments (DOE) shows that the wind drag can be reduced if the building is twisted appropriately.
Subjects Structural Engineering
DOI - identifier 10.1201/b10571-60
Copyright notice ©2011 Taylor & Francis Group
ISBN 9780415616577
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