Study on the influence of structural parameters and 3D effects on nonlinear bridge flutter using amplitude-dependent flutter derivatives

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成果类型：

期刊论文

作者：

Kai Li;Yan Han*;C.S. Cai;Jun Song;Peng Hu

通讯作者：

Yan Han

作者机构：

School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China

[Yan Han; Jun Song; Peng Hu] Key Laboratory of Bridge Engineering Safety Control by Department of Education, Changsha University of Science & Technology, Changsha 410114, China

[C.S. Cai] Department of Bridge Engineering, School of Transportation, Southeast University, Nanjing, 211189, China

[Kai Li] School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China<&wdkj&>Key Laboratory of Bridge Engineering Safety Control by Department of Education, Changsha University of Science & Technology, Changsha 410114, China

通讯机构：

[Yan Han] K

Key Laboratory of Bridge Engineering Safety Control by Department of Education, Changsha University of Science & Technology, Changsha 410114, China

语种：

英文

期刊：

Journal of Fluids and Structures

ISSN：

0889-9746

年：

2024

卷：

125

页码：

104085

DOI：

10.1016/j.jfluidstructs.2024.104085

基金类别：

CRediT authorship contribution statement Kai Li: Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Writing – original draft. Yan Han: Conceptualization, acquisition, Supervision, Writing – review & editing. C.S. Cai: Conceptualization, Supervision, Project administration, Validation, Writing – review & editing. Jun Song: Software, Validation, Visualization. Peng Hu: acquisition, Supervision, Visualization, Writing – review & editing.

机构署名：

本校为通讯机构

院系归属：

土木工程学院

摘要：

To estimate nonlinear flutter response of long-span bridges, this study established a method for identifying full set of amplitude-dependent flutter derivatives (FDs) from free vibration wind tunnel tests. Taking a typical double-deck truss bridge as a Case study, the amplitude-dependent FDs of the bridge deck at the whole wind speed regime are identified and cross-validated based on large-amplitude free vibration wind tunnel tests of its single degree of freedom (SDOF) torsional and 2DOF vertical-torsional section models. The influential mechanism of vertical DOF on nonlinear flutter was reve...

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Study on the influence of structural parameters and 3D effects on nonlinear bridge flutter using amplitude-dependent flutter derivatives

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