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1 results

  • 6 - Dynamics of Flexible Aircraft with Small-Amplitude Vibrations

  • Rafael Palacios, Imperial College of Science, Technology and Medicine, London, Carlos E. S. Cesnik, University of Michigan, Ann Arbor
  • Book:
    Dynamics of Flexible Aircraft
    Published online:
    29 June 2023
    Print publication:
    13 July 2023, pp 209-276

  • Summary

    The dynamic interactions between aeroelasticity and flight dynamics are discussed, under the assumption of small-amplitude vibrations of the elastic aircraft. Firstly, the equations of the dynamics of a flexible aircraft are described using quasi-coordinates. Linear normal modes are then defined, and used to project the dynamics of the flexible aircraft. Next, linear methods for unsteady aerodynamics are introduced with a particular focus in the doublet-lattice method. The linear dynamic response of the aircraft is finally assembled using rational-function approximations of the frequency-domain aerodynamics.