This lesson covers the concept of Dynamic Aeroelasticity using a simple 2D model. It explains the static aeroelastic problem and introduces the dynamic aeroelastic problem, discussing the issues involved. The lesson further elaborates on the representation of a section of a wing, the definition of various parameters, and the equation of motion. It also explains the application of Lagrange's equation to derive the equation of motion for an aerofoil executing a plunging motion and pitching motion. The lesson concludes with the explanation of the flutter problem and how to solve it using Eigen values.

- Dynamic Aeroelasticity deals with the interaction between aerodynamic forces and elastic forces in a structure under dynamic conditions.
- The static aeroelastic problem involves the interaction between aerodynamic forces and elastic forces in a structure under static conditions.
- The dynamic aeroelastic problem introduces the concept of motion into the aeroelastic problem.
- The Lagrange's equation is used to derive the equation of motion for an aerofoil executing a plunging motion and pitching motion.
- The flutter problem is a critical issue in Dynamic Aeroelasticity, which can be solved using Eigen values.

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