✦ LIBER ✦

NON-LINEAR AEROELASTIC ANALYSIS USING THE POINT TRANSFORMATION METHOD, PART 2: HYSTERESIS MODEL

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

Book ID: 102608450
Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 272 KB
Volume: 253
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.2001.4063

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✦ Synopsis

This paper investigates the dynamic response of a two-dimensional aeroelastic system with structural non-linearity represented by hysteresis. The formulations of the point transformation method developed in Part 1 of this study for the aeroelastic system with a freeplay model is extended for a hysteresis model. These formulations can be applied not only to predict the amplitude and frequency of limit cycle oscillations, but also to detect complex aeroelastic responses such as periodic motion with harmonics, period doubling, chaotic motion and the coexistence of stable limit cycles. It is shown that the point transformation technique is the most suitable to analyze the aeroelastic response of systems containing piecewise continuous restoring forces.

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