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On the vortex shedding forcing on suspension bridge deck

Diana, G. / Resta, F. / Belloli, M. / Rocchi, D.

AbstractVortex-induced vibrations are not negligible while evaluating the aerodynamic and aeroelastic behavior of a long-span suspension bridge. This kind of forcing, that can produce high vibration levels, occurs at very low reduced velocities concerning low wind speed and high-frequency modes. This work presents results of experimental tests performed on the multibox deck shape of the Messina Strait bridge investigating vortex shedding phenomena and developing a numerical model to reproduce the vortex shedding forcing. The experimental tests, focused on low reduced velocities, highlight the typical non-linear pattern of the vortex shedding.

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On the vortex shedding forcing on suspension bridge deck

Diana, G. / Resta, F. / Belloli, M. / Rocchi, D.

AbstractVortex-induced vibrations are not negligible while evaluating the aerodynamic and aeroelastic behavior of a long-span suspension bridge. This kind of forcing, that can produce high vibration levels, occurs at very low reduced velocities concerning low wind speed and high-frequency modes. This work presents results of experimental tests performed on the multibox deck shape of the Messina Strait bridge investigating vortex shedding phenomena and developing a numerical model to reproduce the vortex shedding forcing. The experimental tests, focused on low reduced velocities, highlight the typical non-linear pattern of the vortex shedding.

On the vortex shedding forcing on suspension bridge deck

Diana, G. / Resta, F. / Belloli, M. / Rocchi, D.

AbstractVortex-induced vibrations are not negligible while evaluating the aerodynamic and aeroelastic behavior of a long-span suspension bridge. This kind of forcing, that can produce high vibration levels, occurs at very low reduced velocities concerning low wind speed and high-frequency modes. This work presents results of experimental tests performed on the multibox deck shape of the Messina Strait bridge investigating vortex shedding phenomena and developing a numerical model to reproduce the vortex shedding forcing. The experimental tests, focused on low reduced velocities, highlight the typical non-linear pattern of the vortex shedding.

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Title:

On the vortex shedding forcing on suspension bridge deck

Contributors:

Diana, G. (author) / Resta, F. (author) / Belloli, M. (author) / Rocchi, D. (author)

Published in:

Journal of Wind Engineering and Industrial Aerodynamics ; 94 ; 341-363

Publication date:

2006-01-01

Size:

23 pages

ISSN:

DOI:

https://doi.org/10.1016/j.jweia.2006.01.017

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Bridge , Vortex shedding , Flutter derivatives , Power input , Equivalent oscillator

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