| Issue |
EPJ Web Conf.
Volume 143, 2017
EFM16 – Experimental Fluid Mechanics 2016
|
|
|---|---|---|
| Article Number | 02029 | |
| Number of page(s) | 5 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/201714302029 | |
| Published online | 12 May 2017 | |
https://doi.org/10.1051/epjconf/201714302029
The effectiveness of vibration damper attached to the cable due to wind action
Department of Building Construction, University of Science and Technology in Bydgoszcz, ul. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland
* Corresponding author: macdut@utp.edu.pl
Published online: 12 May 2017
In the paper the analysis of vibration of cable with attached damper is performed. Source of vibrations comes from the wind. The level of reduction of vibrations is also analysed. Damper attached to the cable is characterized by mass, stiffness and damping ratio. The paper also presents the equations of motion for the cable with damper, taking into account the initial parameters: cable cross-section and the location of the damper. The analysis is performed in time domain. It is discussed that in real situations the different types of cable vibration due to their amplitudes and frequencies is met: short-term oscillations of high amplitude, caused by a single impulse force, called bouncing cable, low amplitude and low wave length and the high frequency, called aeolian vibration, large oscillation amplitude, long wave length and low frequency, called galloping or dancing cables.
© The Authors, published by EDP Sciences, 2017
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