Numerical Analysis of the Non-linear Dynamic Behaviour of Suspended Cables Under Turbulent Wind Excitation
Autor(en): |
L. Martinelli
F. Perotti |
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Medium: | Fachartikel |
Sprache(n): | Englisch |
Veröffentlicht in: | International Journal of Structural Stability and Dynamics, Juni 2001, n. 2, v. 1 |
Seite(n): | 207-233 |
DOI: | 10.1142/s0219455401000172 |
Abstrakt: |
In this paper, a numerical procedure is presented for the dynamic analysis of elastic cables subjected to turbulent wind excitation in quasi-steady conditions. The proposed methodology, which takes geometrical and aerodynamic non-linearities into account, is based on artificial simulation of turbulence, on finite-element modeling of the cables and on a step-by-step implicit procedure for the integration of the dynamic equilibrium equations. As a first application, the dynamic behaviour of a cable in 1 : 2 internal resonance conditions is studied, focusing on some aspects of the influence of wind turbulence on galloping oscillations. |
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10353370 - Veröffentlicht am:
14.08.2019 - Geändert am:
14.08.2019