A Combined Sine-wave Method of Stimulationfor The Experiment of Bridge Model

Zhang Xiaoxu;Chen Lifen;Song Hanwen

Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (12) : 136-139.

PDF(1112 KB)
PDF(1112 KB)
Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (12) : 136-139.
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A Combined Sine-wave Method of Stimulationfor The Experiment of Bridge Model

  • Zhang Xiaoxu1; Chen Lifen1;Song Hanwen2
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Abstract

This study designed a new stimulation technique named Combined Sine-wave Method, based on the theory oforthogonality of trigonometric function. As a special form of stimulation, it’s executed in order to acquire more accuratetransfer function and accelerate the process of the identification of aerodynamic derivatives of bridge model. And after thededuction of theory, this study displays a numerical example. The result demonstrates a better capability of fitting thetransfer function and a broader application prospect by the contrast of Impulse Method.

Key words

bridge model / Combined Sine-wave Method / Sine-wave stimulation

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Zhang Xiaoxu;Chen Lifen;Song Hanwen. A Combined Sine-wave Method of Stimulationfor The Experiment of Bridge Model[J]. Journal of Vibration and Shock, 2009, 28(12): 136-139
PDF(1112 KB)

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