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An alternative to the flutter derivatives
University of Southern Denmark, Denmark.
University of Southern Denmark, Denmark.ORCID iD: 0000-0003-2025-7842
2016 (English)In: BBAA VIII, 8th International Colloquium on Bluff Body Aerodynamics and Applications, Northeastern University, Boston, Massachusetts, USA, June 7-11, 2016: colloquium proceedings, Boston: Northeastern University, College of Engineering , 2016Conference paper, Published paper (Refereed)
Abstract [en]

A new simplified framework to study flutter and assess the full scale flutter wind speed is suggested. The flutter instability problem is reduced from a problem involving 8 flutter derivatives to only 4 coefficients. With this method it is possible to estimate the self-excited forces with increased precision by using stability diagrams. Furthermore, the physical transparency of the aerodynamic damping and stiffness terms is increased because the development in vertical and torsional damping and stiffness is analysed instead of flutter derivatives.

Place, publisher, year, edition, pages
Boston: Northeastern University, College of Engineering , 2016.
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-56900OAI: oai:DiVA.org:lnu-56900DiVA: diva2:1033463
Conference
BBAA VIII: 8th International Colloquium on Bluff Body Aerodynamics and Applications, Boston, USA, June 7-11, 2016
Available from: 2016-10-06 Created: 2016-09-28 Last updated: 2016-10-06Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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