Identification of flutter derivatives by forced vibration tests
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Results of an experimental study related to flutter phenomenon are presented in the paper. Two cross-sections are considered: a rectangular cross-section and a typical symmetric bridge cross-section. Stationary coefficients and instationary flutter derivatives are determined by means of forced vibration tests. The identification technique is presented in detail. Pressure measurements at the centre of the bridge cross-section are also performed. Main wind flow patterns are analysed based on pressure distribution data.
Keywords:aeroelasticity / flutter / flutter derivatives / forced vibration test / rectangular cross-section / bridge cross-section
Source:Građevinar, 2017, 69, 4, 267-280
- Union of Croatian Civil Engineers and Technicians