Pressure Distribution and Global Forces on a Bridge Deck Section: Experimental and CFD Analysis of Static Aerodynamic Forces

被引：13

作者：

Rocchi, D. ^{[1
]}

Argentini, T. ^{[1
]}

Sbrosi, M. ^{[1
]}

机构：

[1] Politecn Milan, Dept Mech Engn, I-20156 Milan, Italy

来源：

JOURNAL OF BRIDGE ENGINEERING | 2015年 / 20卷 / 09期

关键词：

Pressure distribution; Dynamometric balance; Reynolds-averaged Navier-Stokes (RANS) models; Computational fluid dynamics (CFD); Static aerodynamic forces; Bridge deck section; Wind tunnel testing; COMPUTATIONAL FLUID-DYNAMICS; MODEL; COEFFICIENTS; FLOW;

D O I：

10.1061/(ASCE)BE.1943-5592.0000695

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Two different experimental approaches for the evaluation of a bridge deck's stationary aerodynamic forces are studied in this paper: both wind tunnel measurement of global force and pressure distribution are evaluated on deck sectional models. Advantages and drawbacks of these different approaches are discussed using the results obtained on a simple deck section, specifically chosen to compare the selected methods. Two-dimensional computational fluid dynamics (CFD) simulations have been performed to provide an insight into the differences of the aerodynamic forces measured with the two methods. Specifically, the effect of shear stresses, measurement discretization, and axial correlation of pressures are addressed. In CFD analysis, several turbulence models are tested and discussed using Reynolds-averaged Navier-Stokes (RANS) equations. (C) 2014 American Society of Civil Engineers.

引用

页数：10

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