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Span’s low damped vibrations and vibration’s damping by modal disparity inducted by cable stays temporal addition

Lipiński K.

Vibrations in Physical Systems

2008

Vol. 23

235--240

The paper presents low damped vibrations of a continuous system. Such vibrations are present in many structures, and effective elimination method is requested. In the paper, temporal stiffness modification is proposed in order to distribute the energy amount different modes of the system (for example to these that are better damped). The method is tested with a bridge span numerical model.