Y. Mauffrey, A. Geeraert, S. Verley

DOI Number: N/A

Conference number: IFASD-2015-043

The present paper is dedicated to the numerical prediction of contra-rotating open rotors, CROR, blade deformations and the correlations with experimental data, in cruise conditions. The major challenge of this study lies in the nonlinear nature of the CROR blades aeroelastic behavior. Aerodynamic and centrifugal loadings on CROR blades may result in large deflection at blade tip and geometric nonlinearities have to be taken into account. In this paper we investigate the impact of these kinds of nonlinearities in static deformation numerical predictions.

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In Categories: 2. IFASD 2015, Rotation System
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