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| Reference : On the influence of background component in resonance of cables |
| Scientific congresses and symposiums : Paper published in a book | |||
| Engineering, computing & technology : Civil engineering | |||
| http://hdl.handle.net/2268/108443 | |||
| On the influence of background component in resonance of cables | |
| English | |
Canor, Thomas  [Université de Liège - ULg > Département ArGEnCo > Analyse sous actions aléatoires en génie civil >] | |
| Denoël, Vincent [Université de Liège - ULg > Département ArGEnCo > Analyse sous actions aléatoires en génie civil >] | |
| 2011 | |
| 9th International Symposium on Cable Dynamics: ISCD 2011, Proceedings | |
| 111-117 | |
| No | |
| International | |
| 9th International Symposium on Cable Dynamics | |
| du 18 octobre 2011 au 20 octobre 2011 | |
| Electrical Engineers Association of the Montefiore Institute - | |
| University of Liège | |
| Shanghai | |
| China | |
| [en] Cable Dynamics ; Parametric excitation ; Stochastic analysis | |
| [en] This work deals with nonlinear dynamical behaviour of cables in the context of random excitations of
one of its anchors. Different studies have already been realized, that highlight different cable responses under random excitations such as white noise or narrow band processes. This work can be seen as an extension of these former works. It aims at modeling a more realistic random excitation by associating a background component to a resonant excitation. The background component models the effects of turbulence on the structure and the resonant component results from structural vibrations of the primary system. Any direct excitation on the cable is disregarded in this work. The first part of this paper describes the model and the random excitation generators. The second part deals with the influence of the background component on the possible resonance of a cable. Results are presented for a given level of energy in the excitation, and as a function of its dispatching between the background and resonant components. This work shows that the background component reduces the vibration in the out-of-plane mode and can avoid resonance from taking place. The on-off intermittency phenomenon is also observed for the out-of-plane mode and it depends also on the background component. | |
| http://hdl.handle.net/2268/108443 |
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