Archivio Istituzionale della RicercaThe present contribution presents the results of flutter analyses conducted on a finite element model of the Akashi Kaikyo Bridge according to the following descriptions of wind action: unsteady lift and moment plus (a) unsteady drag, (b) steady drag, (c) no drag. The finite element results are compared with those obtained by an in-house MATLAB code based on a semi-analytic continuum model as well as with others of literature. The said continuum model includes flexural-torsional second-order effects induced by steady drag force in the bridge’s equations of motion, in addition to unsteady lift and moment actions.
On suspension bridge flutter analysis including drag force effects / Piana, Gianfranco; Carpinteri, Alberto. - ELETTRONICO. - (2020), pp. 820-827. (Intervento presentato al convegno IABSE Symposium Wrocław 2020. Synergy of Culture and Civil Engineering – History and Challenges tenutosi a Wrocław (Poland) nel 7-9 October 2020).
On suspension bridge flutter analysis including drag force effects
Gianfranco Piana;Alberto Carpinteri
2020
Abstract
The present contribution presents the results of flutter analyses conducted on a finite element model of the Akashi Kaikyo Bridge according to the following descriptions of wind action: unsteady lift and moment plus (a) unsteady drag, (b) steady drag, (c) no drag. The finite element results are compared with those obtained by an in-house MATLAB code based on a semi-analytic continuum model as well as with others of literature. The said continuum model includes flexural-torsional second-order effects induced by steady drag force in the bridge’s equations of motion, in addition to unsteady lift and moment actions.
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https://hdl.handle.net/11583/2913714