Anewapproach to deal with aerodynamicnon-linearities in timedomain has been developed using a rheological mechanical model. The parameters of the rheological model have been estimated from specific wind tunnel tests. Once identified, the rheological system allows to reproduce the aerodynamic forces, starting from the bridge motion and the wind velocity components and to take into account the dependence on the reduced velocity and the non-linearities due to the large changes in the angle of attack induced by turbulence and the amplitude of motion.

A new numerical approach to reproduce bridge aerodynamic non-linearities in time domain

DIANA, GIORGIO;RESTA, FERRUCCIO;ROCCHI, DANIELE
2008-01-01

Abstract

Anewapproach to deal with aerodynamicnon-linearities in timedomain has been developed using a rheological mechanical model. The parameters of the rheological model have been estimated from specific wind tunnel tests. Once identified, the rheological system allows to reproduce the aerodynamic forces, starting from the bridge motion and the wind velocity components and to take into account the dependence on the reduced velocity and the non-linearities due to the large changes in the angle of attack induced by turbulence and the amplitude of motion.
2008
Aerodynamicnon-linearities, Timedomain, Rheological model, Aerodynamic force hysteresis, Numerical simulation
File in questo prodotto:
File Dimensione Formato  
DianaRestaRocchio_ANewNumericalApproachToReproduceBridgeAerodynamicNonLinearitiesInTimeDomain.pdf

Accesso riservato

: Altro materiale allegato
Dimensione 673.12 kB
Formato Adobe PDF
673.12 kB Adobe PDF   Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11311/520982
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 101
  • ???jsp.display-item.citation.isi??? 79
social impact