Unit 1

Free vibration analysis of basic structural members with different boundary conditions, analytical and approximate solutions, response of basic structural members to periodic and non-periodic forces, mode synthesis, approximate solutions.

Unit 2

Static aeroelasticity, divergence of a typical airfoil section, aileron reversal, divergence of one dimensional strucrures: straight and swept wings, aileron reversal of one dimensional straight wing

Unit 3

Aeroelastic flutter, stability characteristics, aeroelastic analysis of a typical airfoil section: single degree and two degree freedom, classical flutter analysis, classical unsteady aerodynamic theory, engineering solution for flutter, U-g and p-k methods, response to gust loads.

Course Objectives

• To make students to understand and appreciate the importance of Aeroelasticity in design of aircrafts those operate in steady and unsteady aerodynamic environment by deriving the governing equations and obtain the solution for static and dynamic aero elastic problems.

Course Outcomes

• CO1: Know how to obtain equations of motion for MDOF systems using influence coefficients.
• CO2: Obtain response to a force for continuous systems.
• CO3: Understand divergence and aileron effeteness of a wing.
• CO4: Understand flutter phenomena of a wing.

CO – PO Mapping

Textbook(s)

• Dewey H. Hodges, and G. Alvin Pierce, “Introduction to structural dynamics and aeroelasticity,” Cambridge U niversity Press, 2002

Reference(s)

• Raymond L. Bisplingoff, Holt Ashley, Robert L. Haffman., “Aeroelasticity”, Dover Publications, 1996.
• Raymond L. Bisplingoff, Holt Ashley, “Principles of Aeroelasticity”, Dover Publications, 2002.

Evaluation Pattern