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Proceedings Paper

Flutter boundary prediction of an adaptive smart wing during process of adaptation
Author(s): Yuji Matsuzaki; Hiroshi Torii
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Paper Abstract

This paper addresses a flutter boundary prediction of a smart wing during the process of adaptation in which airplane's safety will easily be endangered. A smart morphing airplane will be more flexible functionally and mechanically than a conventional airplane with a fixed structural configuration. During the process of structural morphing or adaptation, airplane's structure needs to become very flexible, so that the airplane is anticipated to encounter instability in a new manner due to an on-going structural change. Here we will show that the new discrete-time series approach for aeroelastic instability prediction which we proposed for the fixed-wing is useful in predicting the flutter boundary of an adaptive wing, too. A numerical analysis is performed using a two-dimensional wing model in which the structural adaptation changes its natural frequencies and consequently influences its aeroelastic stability although flying at a fixed speed.

Paper Details

Date Published: 17 May 2005
PDF: 11 pages
Proc. SPIE 5764, Smart Structures and Materials 2005: Smart Structures and Integrated Systems, (17 May 2005); doi: 10.1117/12.598094
Show Author Affiliations
Yuji Matsuzaki, Nagoya Univ. (Japan)
Hiroshi Torii, Meijo Univ. (Japan)

Published in SPIE Proceedings Vol. 5764:
Smart Structures and Materials 2005: Smart Structures and Integrated Systems
Alison B. Flatau, Editor(s)

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