Abstract
In this paper, nonlinear implicit finite element analyses are used to explore parametric excitation of a bridge stay cable resulting from cyclic motion of the deck. "Parametric excitation" is excitation of a cable mode with deck motion at near twice the frequency of the excited mode. Third-mode parametric frequency response curves are consistently predicted when the finite element mesh is sufficiently small. With low damping, large-amplitude parametric response develops quickly. Reaction moments at the deck and tower increase by a factor of two when large-amplitude motion ensues from parametric excitation.
| Original language | English |
|---|---|
| Pages (from-to) | 650-656 |
| Number of pages | 7 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 4753 I |
| State | Published - 2002 |
| Event | Proceedings of IMAC-XX: A Conference on Structural Dynamics - Los Angeles, CA, United States Duration: Feb 4 2002 → Feb 7 2002 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering