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Wind and Structures Volume 2, Number 1, March 1999 , pages 41-49 DOI: https://doi.org/10.12989/was.1999.2.1.041 |
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Graphical technique for the flutter analysis of flexible bridge |
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Tzen Chin Lee and Cheer Germ Go
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| Abstract | ||
| The flutter of a bridge is induced by self-exited force factors such as lift, drag and aerodynamic moment. These factors are associated with flutter derivatives in the analysis of wind engineering. The flutter derivatives are the function of structure configuration, wind velocity and response circular frequency. Therefore, the governing equations for the interaction between the wind and dynamic response of the structure are complicated and highly nonlinear. Herein, a numerical algorithm through graphical technique for the solution of wind at flutter is presented. It provides a concise approach to the solution of wind velocity at flutter. | ||
| Key Words | ||
| flutter; aerodynamic instability; cable-suspended bridges | ||
| Address | ||
| Department of Civil Engineering, National Chung-Hsing University, Taichung, Taiwan-40227, R.O.C. | ||