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A parametric study on reliability-based TMD design against bridge flutter
Journal of Vibration and Control
  • Filippo Ubertini, University of Perugia
  • Gabriele Comanducci, University of Perugia
  • Simon Laflamme, Iowa State University
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We present a probabilistic methodology for designing tuned mass dampers for flutter suppression in long-span bridges. The procedure is computationally efficient and computes the probability of flutter occurrence based on a modified firstorder method of reliability analysis, a reduced-order representation of the structure and a time domain formulation of aeroelastic loads. Results of a parametric investigation show that the proposed methodology is preferable to a deterministic design procedure, which relies on nominal values of mechanical and aerodynamic parameters and does not guarantee the maximum safety. Furthermore, the reliability-based approach can be effectively used in the design of multiple tuned mass damper configurations by enhancing robustness against frequency mistuning and by reducing costs associated with supplemental damping for a given safety performance level.

This is an author-created, un-copy-edited version of an article accepted for publication/published in Journal of Vibration and Control. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at DOI: 10.1177/1077546315595304

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Filippo Ubertini, Gabriele Comanducci and Simon Laflamme. "A parametric study on reliability-based TMD design against bridge flutter" Journal of Vibration and Control (2015) p. 1 - 17
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