Large Eddy Simulation of Aerodynamic Forces on a Bridge Pylon

Xu Yong Ying; Fu You Xu; Zhe Zhang; Yong Gang Tan

doi:10.4028/www.scientific.net/AMR.243-249.1578

Paper Titles

Design Method of the Cable Saddle for CFRP Main Cable in Long-Span Suspension Bridge
p.1557

Strengthening Experiment of a Hollow Slab Bridge by External Transverse Prestressing
p.1561

Analysis of Cable-Stayed Bridge for APDL-Based Optimization
p.1567

Sensitivity Study on Damage Indexes of Cable-Stayed Bridges
p.1573

Large Eddy Simulation of Aerodynamic Forces on a Bridge Pylon
p.1578

Prediction Models of Shrinkage and Creep for Concrete Columns
p.1583

Study on Temperature Field and Construction Monitoring of Hydration Heat of Railway Cable-Stayed Bridge Pile Cap
p.1589

Study and Model Test on the Anchorage Area for Chongqing Jiayue Bridge’s PC Box Girder
p.1597

Test on Grouting Reinforcing Technique of Bridge Abutment Bump in Express Way
p.1605

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Large Eddy Simulation of Aerodynamic Forces on a Bridge Pylon

Abstract:

In this study, aerodynamic forces on a bridge pylon are investigated by three-dimensional computational fluid dynamics using Large eddy simulation (LES) technology. The main objective is to identify the wind load parameters of the pylon and examine the accuracy of LES model applied to the bluff-body flows. The numerical results were compared with the available wind tunnel test results. Also, a comparison between using LES and Reynolds averaged Navier-Stokes equations with the RNG model have been made. It is found that the LES model competes the RNG model in accuracy for predictions of aerodynamic forces on the pylon.