Nigeria's free digital learning hub. Videos, lecture notes, practice questions and leaderboards aligned with CCMAS, NBTE, NCCE, WAEC, NECO, IJMB and JAMB curricula.
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Nigeria's free digital learning hub. Videos, lecture notes, practice questions and leaderboards aligned with CCMAS, NBTE, NCCE, WAEC, NECO, IJMB and JAMB curricula.
Aeroelasticity is the study of how aerodynamic forces interact with the elastic properties of an aircraft’s structure, and it plays a critical role in flight safety and performance. The elastic axis is a reference line along the wing or structure where bending and twisting motions are balanced, serving as a key factor in determining how loads are distributed. Divergence occurs when aerodynamic forces acting on a flexible wing exceed its structural stiffness, causing uncontrollable twisting that can lead to structural failure. Flutter, one of the most dangerous aeroelastic phenomena, is a self-excited oscillation resulting from the interaction of aerodynamic forces, structural elasticity, and inertial effects; if not controlled, it can rapidly grow and destroy the aircraft. Understanding these principles allows engineers to design structures that resist instability, ensuring both efficiency and safety in modern aviation.
This lecture is part of AAE 204 AIRCRAFT FLIGHT PRINCIPLE/FLIGHT MECHANICS in the AEROSPACE ENGINEERING department. The course has 27 recorded lectures across 9 series, all free to watch. Read or download the AAE 204 lecture note to study alongside the video.
