Computation of nonlinear normal modes of large structures: application to a full-scale aircraft
Computation of nonlinear normal modes of large structures: application to a full-scale aircraft
The objective of this paper is to demonstrate that the numerical computation of the nonlinear normal modes (NNMs) of complex real-world structures is now within reach. The application considered in this study is the airframe of the Morane-Saulnier Paris aircraft, whose ground vibration tests exhibited some nonlinear structural behaviors. The NNMs are computed using a numerical algorithm combining shooting and pseudo-arclength continuation.
- University of Bristol United Kingdom
- Office National d'Études et de Recherches Aérospatiales France
- University of Liège Belgium
Aircraft, Nonlinear Normal Modes, Aerospace & aeronautics engineering, Continuation technique, Shooting, Ingénierie aérospatiale, Engineering, computing & technology, Ingénierie, informatique & technologie
Aircraft, Nonlinear Normal Modes, Aerospace & aeronautics engineering, Continuation technique, Shooting, Ingénierie aérospatiale, Engineering, computing & technology, Ingénierie, informatique & technologie
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