✦ LIBER ✦

NON-LINEAR AEROELASTIC ANALYSIS USING THE POINT TRANSFORMATION METHOD, PART 1: FREEPLAY MODEL

✍ Scribed by L. LIU; Y.S. WONG; B.H.K. LEE

Book ID: 102608451
Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 340 KB
Volume: 253
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.2001.4064

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✦ Synopsis

A point transformation technique is developed to investigate the non-linear behavior of a two-dimensional aeroelastic system with freeplay models. Two formulations of the point transformation method are presented, which can be applied to accurately predict the frequency and amplitude of limit cycle oscillations. Moreover, it is demonstrated that the developed formulations are capable of detecting complex aeroelastic responses such as periodic motions with harmonics, period doubling, chaotic motions and the coexistence of stable limit cycles. Applications of the point transformation method to several test examples are presented.

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