Paper published in a book (Scientific congresses and symposiums)
Perspectives on the acceleration of the numerical assessment of flutter and buffeting response of bridge decks
Heremans, Julien; Mayou, Anass; Denoël, Vincent
2021 • In Papadrakakis, M.; Fragiadakis, M. (Eds.) Proceedings of the 8th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering
[en] The critical flutter speed of a bridge deck is the result of an eigen value analysis. However, the progressive growth of the response for sub-critical wind velocities, resulting from the buffeting action of the turbulent wind, is also of major concern to the designers.The complete flutter analysis of a bridge structure therefore requires the repeated analysis of the aeroelastic response for various wind velocities, starting from zero (wind off) to the critical flutter speed. In a spectral approach, each of these analyses is typically based on the heavy integration of the power spectral density of the aeroelastic response. It has been recently found that this integra- tion can be facilitated by a background/resonant decomposition as is commonly implemented in a buffeting-only setting. The paper describes a preliminary work showing that this decompo- sition can be extended to the flutter-and-buffeting configuration. The work is only preliminary since it deals with a single oscillator. However, it shows a massive CPU saving of one to two orders of magnitude, while limiting the error to one percent. This kind of saving is particularly expected to make affordable the analysis of large multi degree-of-freedom structures.
Disciplines :
Civil engineering
Author, co-author :
Heremans, Julien ; Université de Liège - ULiège > Département ArGEnCo > Analyse sous actions aléatoires en génie civil
Mayou, Anass ; Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Denoël, Vincent ; Université de Liège - ULiège > Département ArGEnCo > Analyse sous actions aléatoires en génie civil
Language :
English
Title :
Perspectives on the acceleration of the numerical assessment of flutter and buffeting response of bridge decks
Publication date :
2021
Event name :
COMPDYN 20218th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering
Event date :
27-30 June 2021
Audience :
International
Main work title :
Proceedings of the 8th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering
Robert H Scanlan and J Tomo. Air foil and bridge deck flutter derivatives. Journal of Soil Mechanics & Foundations Div, 1971.
Robert H Scanlan and Nicholas P Jones. Aeroelastic analysis of cable-stayed bridges. Journal of Structural Engineering, 116(2):279-297, 1990.
Robert H Scanlan. Problematics in formulation of wind-force models for bridge decks. Journal of Engineering Mechanics, 119(7):1353-1375, 1993.
Peter A Irwin, Stoyan Stoyanoff, Jiming Xie, and Mark Hunter. Tacoma narrows 50 years later?wind engineering investigations for parallel bridges. Bridge structures, 1(1):3-17, 2005.
EN. EN 1991-1-1 Eurocode 1: Actions on Structures - Part 1-4: Wind actions, Brussels, 2005. CEN.
Tajammal Abbas, Igor Kavrakov, and Guido Morgenthal. Methods for flutter stability analysis of long-span bridges: a review. In Proceedings of the Institution of Civil Engineers-Bridge Engineering, volume 170, pages 271-310. Thomas Telford Ltd, 2017.
Giorgio Diana, Stoyan Stoyanoff, Ketil Aas-Jakobsen, Andrew Allsop, Michael Andersen, Tommaso Argentini, Miguel Cid Montoya, Santiago Hernandez, Jose Angel Jurado, Hiroshi Katsuchi, Igor Kavrakov, Ho-Kyung Kim, Guy Larose, Allan Larsen, Guido Morgenthal, Ole Oiseth, Simone Omarini, Daniele Rocchi, Martin Svendsen, and Teng Wu. Iabse task group 3.1 benchmark results. part 1: Numerical analysis of a two-degree-of-freedom bridge deck section based on analytical aerodynamics. Structural Engineering International, 0(0):1-10, 2019.
Earl Dowell. A Modern Course in Aeroelasticity. Springer International Publishing, 01 15.
William H Press, Saul A Teukolsky, William T Vetterling, and Brian P Flannery. Numerical recipes in c++. The art of scientific computing, 2:1002, 1992.
Alan Garnett Davenport. The application of statistical concepts to the wind loading of structures. Proceedings of the Institution of Civil Engineers, 19(4):449-472, 1961.
Alan G Davenport. The response of slender, line-like structures to a gusty wind. Proceedings of the Institution of Civil Engineers, 23(3):389-408, 1962.
Hans Wolfgang Liepmann. On the application of statistical concepts to the buffeting problem. Journal of the Aeronautical Sciences, 19(12):793-800, 1952.
Vincent Denoël. On the background and biresonant components of the random response of single degree-of-freedom systems under non-gaussian random loading. Engineering structures, 33(8):2271-2283, 2011.
Vincent Denoël and Luigi Carassale. Response of an oscillator to a random quadratic velocity-feedback loading. Journal of Wind Engineering and Industrial Aerodynamics, 147:330-344, 2015.
Julien Heremans, Anass Mayou, and Vincent Denoël. Background/resonant decomposition of the stochastic torsional flutter response of an aeroelastic oscillator under buffeting loads. Journal of Wind Engineering and Industrial Aerodynamics, 208:104423, 2021.
Anurag Jain, Nicholas P Jones, and Robert H Scanlan. Coupled flutter and buffeting analysis of long-span bridges. Journal of Structural Engineering, 122(7):716-725, 1996.
H Katsuchi, NP Jones, RH Scanlan, and H Akiyama. Multi-mode flutter and buffeting analysis of the akashi-kaikyo bridge. Journal of Wind Engineering and Industrial Aerodynamics, 77:431-441, 1998.
YJ Ge and H Tanaka. Aerodynamic flutter analysis of cable-supported bridges by multi-mode and full-mode approaches. Journal of Wind Engineering and Industrial Aerodynamics, 86(2-3):123-153, 2000.
Tommaso Argentini, A Pagani, Daniele Rocchi, and Alberto Zasso. Monte carlo analysis of total damping and flutter speed of a long span bridge: Effects of structural and aerodynamic uncertainties. Journal of Wind Engineering and Industrial Aerodynamics, 128:90-104, 2014.
Thomas Canor, Luca Caracoglia, and Vincent Denoël. Application of random eigenvalue analysis to assess bridge flutter probability. Journal of Wind Engineering and Industrial Aerodynamics, 140:79-86, 2015.
Vincent Denoël. Estimation of modal correlation coefficients from background and resonant responses. Structural Engineering and Mechanics: an International Journal, 32(6):725-740, 2009.
Vincent Denoël and Hervé Degée. Asymptotic expansion of slightly coupled modal dynamic transfer functions. Journal of Sound and Vibration, 328(1-2):1-8, 2009.
