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- W202873539 abstract "An analytical model for predicting the aeroelastic behavior of composite rotor blades with straight and swept tips is presented. The blade is modeled by beam type finite elements along the elastic axis. A single finite element is used to model the swept tip. The nonlinear equations of motion for the finite element model are derived using Hamilton's principle and based on a moderate deflection theory and accounts for: arbitrary cross-sectional shape, pretwist, generally anisotropic material behavior, transverse shears and out-of-plane warping. Numerical results illustrating the effects of tip sweep, anhedral and composite ply orientation on blade aeroelastic behavior are presented. Tip sweep can induce aeroelastic instability by flap-twist coupling. Tip anhedral causes lag-torsion and flap-axial couplings, however, its effects on blade stability is less pronounced than the effect due to sweep. Composite ply orientation has a substantial effect on blade stability." @default.
- W202873539 created "2016-06-24" @default.
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- W202873539 date "1992-01-01" @default.
- W202873539 modified "2023-09-26" @default.
- W202873539 title "A new aeroelastic model for composite rotor blades with straight and swept tips" @default.
- W202873539 hasPublicationYear "1992" @default.
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