Civil Engineering Association

Numerical simulation of the wind flow around a tall building and its dynamic response to wind excitation

Author(s)/Editor(s): Julia Revuz | Size: 23/33 MB | Format: PDF | Quality: Unspecified | Publisher: Department of Civil Engineering, Faculty of Engineering, University of Nottingham | Year: 2011 | pages: 275

Wind action is particularly important for tall buildings, both in providing a significant
contribution to the dynamic overall loading on the structure and by affecting its
serviceability. Whereas low and medium-rise buildings are fairly rigid, tall structures
are characterized by a greater flexibility and a lower natural frequency, which is more
likely to be in the frequency range of wind gusts. In addition, wake effects, such as vortex
shedding, can become a significant problem for flexible structures when the vortex
shedding frequency is close to the natural frequency of the building.
The aim of the present thesis is to assess the validity of commercial CFD codes for
modelling the wind flow around a high-rise building, including the consideration of the
coupled dynamic response of the building to turbulent wind loading. Three intermediate
objectives are set.

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Thesis submitted to the University of Nottingham
for the degree of Doctor of Philosophy

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