Application of indicial functions in bridge deck aeroelasticity

被引：56

作者：

Costa, Carlotta ^{[1
]}

Borri, Claudio ^{[1
]}

机构：

[1] Univ Florence, Dipartimento Ing Civile, I-50142 Florence, Italy

来源：

JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS | 2006年 / 94卷 / 11期

关键词：

bridge aeroelasticity; time-domain simulations; unsteady forces; indicial functions; flutter instability;

D O I：

10.1016/j.jweia.2006.06.007

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This contribution deals with some recent studies on numerical and analytical models for the evaluation of aeroelastic response of cross-section models of long span bridges. The time-domain indicial approach, whose validity has been only partially investigated in the past, is selected for the modeling of self-excited forces. Sets of indicial function coefficients are estimated for rectangular cross-sections, and their applicability is proven, through time-domain simulations and comparison with experimental tests. Critical flutter condition and dynamic pre-critical and post-critical behaviors are evaluated. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：859 / 881

页数：23

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