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Aerodynamic flutter analysis of cable-supported bridges by multi-mode and full-mode approaches

Ge, Y.J. / Tanaka, H.

A brief history of bridge flutter analysis is presented first. It is followed by an examination of a multi-mode procedure and a more comprehensive full-mode approach in aerodynamic flutter analysis of long-span cable-supported bridges. Particularly, when the span is very long and/or the structural stiffness is not fully implemented, a combination of more than two structural vibration modes can have an important role to decide the flutter characteristics. Some numerical examples are given to show the effectiveness of the full-mode approach by comparing the results with those from the two-mode and multi-mode procedures.

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Aerodynamic flutter analysis of cable-supported bridges by multi-mode and full-mode approaches

Ge, Y.J. / Tanaka, H.

A brief history of bridge flutter analysis is presented first. It is followed by an examination of a multi-mode procedure and a more comprehensive full-mode approach in aerodynamic flutter analysis of long-span cable-supported bridges. Particularly, when the span is very long and/or the structural stiffness is not fully implemented, a combination of more than two structural vibration modes can have an important role to decide the flutter characteristics. Some numerical examples are given to show the effectiveness of the full-mode approach by comparing the results with those from the two-mode and multi-mode procedures.

Aerodynamic flutter analysis of cable-supported bridges by multi-mode and full-mode approaches

Ge, Y.J. / Tanaka, H.

A brief history of bridge flutter analysis is presented first. It is followed by an examination of a multi-mode procedure and a more comprehensive full-mode approach in aerodynamic flutter analysis of long-span cable-supported bridges. Particularly, when the span is very long and/or the structural stiffness is not fully implemented, a combination of more than two structural vibration modes can have an important role to decide the flutter characteristics. Some numerical examples are given to show the effectiveness of the full-mode approach by comparing the results with those from the two-mode and multi-mode procedures.

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Title:

Aerodynamic flutter analysis of cable-supported bridges by multi-mode and full-mode approaches

Contributors:

Ge, Y.J. (author) / Tanaka, H. (author)

Published in:

Journal of Wind Engineering and Industrial Aerodynamics ; 86 ; 123-153

Publication date:

2000

Size:

31 Seiten, 62 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0167-6105(00)00007-6

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Flatterschwingung , Modalanalyse , Steifigkeit , Strukturanalyse , instationäre Strömung , Vektor , Iterationsverfahren , mathematische Transformation , mechanische Schwingung

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