ABSTRACT
The principal phenomena of interest in dynamic aeroelasticity are Flutter or dynamic instability and Response to dynamic loading. In order to understand the dynamic phenomena, including dynamic response, it would be appropriate to become familiar with the vibration of simple systems. When the system does not dissipate energy during its oscillations and conserves its energy, the system is known as a conservative system. For a conservative system, the total energy remains constant at all times. When the system is subjected to a periodic force, the total response of the system can be obtained by expanding the force in a Fourier series to get the response for each term in the series and then superposing these responses together.
