31th Congress of the International Council of the Aeronautical Sciences

04.2 - Structural Analysis and Design, Structural Dynamics, Aeroelasticity

NONLINEAR AEROELASTIC REDUCED ORDER MODELS USING MODAL COORDINATES

R.R. Medeiros╣, C.E.S. Cesnik╣, E.B. Coetzee, Airbus Operations, United Kingdom; ╣University of Michigan, United States

This work presents a reduced order model for aeroelastic analyses of flexible aircraft. Both the structural and the aerodynamic solutions are modal-based, for easy integration with current industry approaches. An example of nonlinear aeroelastic analysis of a complex structure shows the speedup factor and the accuracy of such reduced order models.


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