Finite Wings
摘要
The aeroelastic modelling presented in Chap. 2 is extended here to include finite, fixed wings. The equivalent beamEquivalent beam model is introduced for the purpose of describing the structural dynamics of unswept and swept wings and is coupled with unsteady aerodynamic formulations. The three-dimensional wake vorticity effects are discussed and included in the unsteady lifting line aerodynamic model.Unsteady lifting line theory The application of the Galërkin’s methodGalërkin method for the solution of aeroelastic problems is explained and the state-space form of the resulting aeroelastic operator is obtained by the rational approximation of the transfer functions collected in the aerodynamic matrixAerodynamic matrix.