Inverse method in tilt-rotor optimization

摘要

Tilt-rotor aircraft performance in hover and forward flight modes is optimized using the stiffnesses of the rotor lade as design variables. The performance in both flight modes is maximized simultaneously using a combined objective function. Aeroelastic analysis is based on mixed variational formulation for dynamics of moving beams along with finite-state dynamic inflow theory. Stiffnesses of an extension-torsion coupled and a fully coupled box beam are chosen as design parameters.