Flutter instability analysis of bridge decks using the step-by-step method

Authors

  • Nguyen Van Khang
  • Tran Ngoc An

DOI:

https://doi.org/10.15625/0866-7136/36/1/2715

Keywords:

Flutter instability, step-by-step analysis, numerical simulation, vibration of bridge

Abstract

The branch switch characteristics of coupled flutter are clarified by use of Step-by-Step flutter analysis. In the case of typically coupled flutter instability, the branch switch characteristic from torsional branch to heaving branch is observed. In this paper, a revised step-by-step analysis method is proposed and a calculating program using MATLAB is built. Finally, the flutter behavior of the Cao Lanh Bridge, which is the long bridge in Vietnam, is studied from the point of view of flutter in two-degrees of freedom, namely torsional and heaving motion.

 

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Published

28-02-2014

How to Cite

Khang, N. V., & An, T. N. (2014). Flutter instability analysis of bridge decks using the step-by-step method. Vietnam Journal of Mechanics, 36(1), 1–11. https://doi.org/10.15625/0866-7136/36/1/2715

Issue

Section

Research Paper

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