Vortex-induced vibrations are not negligible while evaluating the aerodynamic and aeroelastic behavior of a long-span suspensionbridge. 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 vortexshedding phenomena and developing a numerical model to reproduce the vortexsheddingforcing. The experimental tests, focused on low reduced velocities, highlight the typical non-linear pattern of the vortexshedding.
On the vortex shedding forcing on suspension bridge deck
DIANA, GIORGIO;RESTA, FERRUCCIO;BELLOLI, MARCO;ROCCHI, DANIELE
2006-01-01
Abstract
Vortex-induced vibrations are not negligible while evaluating the aerodynamic and aeroelastic behavior of a long-span suspensionbridge. 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 vortexshedding phenomena and developing a numerical model to reproduce the vortexsheddingforcing. The experimental tests, focused on low reduced velocities, highlight the typical non-linear pattern of the vortexshedding.File | Dimensione | Formato | |
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2006_Diana-G._Rocchi-D._On-the-vortex-shedding-forcing-on-suspension-bridge-deck_J.-Wind-Eng.-Ind.-Aerodyn.pdf
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