A new p-type, finite-state, aerodynamic theory is used in the aeroelastic analyses of a fixed wing and a rotating wing in hover. The helicopter inflow theory is modified for application to a fixed-wing, or stopped-rotor configuration. The structural models are linear for both configurations, with elastic bending and torsion degrees of freedom. Results are compared with those using Theodorsen and Loewy theories, respectively, for the fixed and rotating wings. With the identification of both structural and aerodynamic modes, the involved frequency content of the flow is seen in a new, more detailed perspective.
Flutter calculations for fixed and rotating wings with state-space inflow dynamics
Berechnung über Flatterschwingungen an feststehenden und rotierenden Flügeln mit der Zustandsmethode der Einlaufströmung
1993
11 Seiten, 10 Bilder, 14 Quellen
Aufsatz (Konferenz)
Englisch