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On the influence of modeshape variations in robust flutter analysis
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Flight Dynamics.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Flight Dynamics.
2005 (English)Report (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH , 2005. , 14 p.
Series
Trita-AVE, ISSN 1651-7660 ; 2005:23
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-5224OAI: oai:DiVA.org:kth-5224DiVA: diva2:8046
Note
QC 20101130Available from: 2005-05-31 Created: 2005-05-31 Last updated: 2010-11-30Bibliographically approved
In thesis
1. Aeroelastic Concepts for Flexible Wing Structures
Open this publication in new window or tab >>Aeroelastic Concepts for Flexible Wing Structures
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Abstract [en]

This thesis summarizes investigations performed within design, analysis and experimental evaluation of flexible aircraft structures. Not only the problems, but rather the opportunities related to aeroelasticity are discussed.

In the first part of the thesis, different concepts for using active aeroelastic configurations to increase aircraft performance are considered. In particular, one study deals with the minimization of the induced drag of a highly flexible wing by using multiple control surfaces. Another study deals with a possible implementation of a high-bandwidth piezo electric actuator for control applications using aeroelastic amplification.

The second part of the thesis deals with the development of an approach for modeling and analysis of flexible structures considering uncertainties in analysis models. Especially in cases of large structural variations, such as fuel level variations, a fixed-base modal formulation in robust flutter analysis may lead to incorrect results. Besides a discussion about this issue, possible means of treating this problem are presented.

Place, publisher, year, edition, pages
Stockholm: KTH, 2005. 25 p.
Series
Trita-AVE, ISSN 1651-7660 ; 2005:22
Keyword
active aeroelasticity, flexible wings, aeroelastic control, design, experiments, testing, analysis, robust, uncertainty
National Category
Mechanical Engineering
Identifiers
urn:nbn:se:kth:diva-244 (URN)
Presentation
2005-06-10, S40, Teknikringen 8, 10:00
Opponent
Supervisors
Note
QC 20101130Available from: 2005-05-31 Created: 2005-05-31 Last updated: 2010-12-06Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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