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Wind and Structures Volume 8, Number 2, March 2005 , pages 135-146 DOI: https://doi.org/10.12989/was.2005.8.2.135 |
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Correlation of aerodynamic forces on an inclined circular cylinder |
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Shaohong Cheng and Hiroshi Tanaka
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| Abstract | ||
| Divergent galloping-like motion of a dry inclined cable has been observed in a limited number of experimental studies, which, due to the uncertainties in its onset conditions, has induced serious concerns in the bridge stay cable design. A series of dynamic and static model wind tunnel tests have been carried out to confirm the existence of the phenomenon and clarify its excitation mechanism. The present paper focuses on exploring the spatial flow structure around an inclined cable. The pattern of resultant aerodynamic forces acting at different longitudinal locations of the model and the spatial correlation of the forces are examined. The results lead one step closer in revealing the physical nature of the phenomenon. | ||
| Key Words | ||
| cable aerodynamics; inclined circular cylinder; dry inclined cable galloping; correlation; Reynolds number. | ||
| Address | ||
| Shaohong Cheng and Hiroshi TanakarnDepartment of Civil Engineering, University of Ottawa, 161 Louis Pasteur, Ottawa, ON K1N 6N5 Canada | ||