27th Congress of International Council of the Aeronautical Sciences, 19 - 24 September 2010, Nice, France
Paper ICAS 2010-9.10.4

FREQUENCY DOMAIN FLUTTER SOLUTION TECHNIQUE USING COMPLEX MU-ANALYSIS

Y. S. Gu, Z. C. Yang
NPU, China

Keywords: flutter (aerodynamics), frequency domain, complex mu-analysis, continuity

Mu-omega method is presented to predict flutter margin through frequency domain mu-analysis. Discontinuity of mu is found in a two dimensional wing with steady aerodynamics. Complex mu-analysis is employed to prevent this problem. Numerical examples demonstrated that the results by the mu-omega method correlate well with the p-k method.

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