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The body-freedom flutter (BFF) poses a serious threat to the flight safety of flying-wing aircraft. We propose a new rigid-elastic coupling aeroelastic model to predict BFF based on Appell dynamics framework. Furthermore, the effects of maneuvers on the rigid-elastic coupling system at different load factors are also investigated in this study.

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This page is a summary of: Rigid–Elastic Coupling Aeroelastic Modeling for Flexible Aircraft: From a Gibbs Function Perspective, AIAA Journal, February 2026, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.j066068.
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