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On the influence of modeshape variations in robust flutter analysis
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Flygdynamik.
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Flygdynamik.
2005 (engelsk)Rapport (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH , 2005. , s. 14
Serie
Trita-AVE, ISSN 1651-7660 ; 2005:23
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-5224OAI: oai:DiVA.org:kth-5224DiVA, id: diva2:8046
Merknad
QC 20101130Tilgjengelig fra: 2005-05-31 Laget: 2005-05-31 Sist oppdatert: 2010-11-30bibliografisk kontrollert
Inngår i avhandling
1. Aeroelastic Concepts for Flexible Wing Structures
Åpne denne publikasjonen i ny fane eller vindu >>Aeroelastic Concepts for Flexible Wing Structures
2005 (engelsk)Licentiatavhandling, med artikler (Annet vitenskapelig)
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.

sted, utgiver, år, opplag, sider
Stockholm: KTH, 2005. s. 25
Serie
Trita-AVE, ISSN 1651-7660 ; 2005:22
Emneord
active aeroelasticity, flexible wings, aeroelastic control, design, experiments, testing, analysis, robust, uncertainty
HSV kategori
Identifikatorer
urn:nbn:se:kth:diva-244 (URN)
Presentation
2005-06-10, S40, Teknikringen 8, 10:00
Opponent
Veileder
Merknad
QC 20101130Tilgjengelig fra: 2005-05-31 Laget: 2005-05-31 Sist oppdatert: 2010-12-06bibliografisk kontrollert

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