| Course Name | Aero-Elasticity |
| Course Code | 23AEE441 |
| Program | B. Tech. in Aerospace Engineering |
| Credits | 3 |
| Campus | Coimbatore |
Recap of Free vibration of continuous structures, Static aeroelasticity, divergence of a typical airfoil section, aileron reversal, divergence of one-dimensional structures: straight and swept wings, aileron reversal of one-dimensional straight wing.
Aeroelastic flutter, stability characteristics, aeroelastic analysis of a typical airfoil section: single degree and two-degree freedom, classical flutter analysis, classical unsteady aerodynamic theory, Introduction to engineering solution for flutter, U-g and p-k methods, response to gust loads.
Principles and methods of computational structural dynamics and vibration analysis. Introduction to dynamic analysis using the finite element method. System dynamic response via mode superposition, frequency response, Intro to Fatigue analysis.
Pre-Requisite(s): – 23AEExxx STRUCTURAL DYNAMICS and 23AEExxx AERODYNAMICS II
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: Calculate divergence and aileron effeteness of a straight wing.
CO2: Obtain divergence and aileron effeteness of a swept wing.
CO3: Understand flutter phenomena of a wing.
CO4: Know how to perform system dynamic analysis using finite element methods.
CO-PO Mapping
| PO/PSO | PO1 | PO2 | PO3 | PO4 | PO5 | PO6 | PO7 | PO8 | PO9 | PO10 | PO11 | PO12 | PSO1 | PSO2 | PSO3 |
| CO | |||||||||||||||
| CO1 | 3 | 3 | 3 | 3 | – | – | – | – | – | – | – | 3 | 3 | 2 | – |
| CO2 | 3 | 3 | 3 | 3 | – | – | – | – | – | – | – | 3 | 3 | 2 | – |
| CO3 | 3 | 3 | 3 | 3 | – | – | – | – | – | – | – | 3 | 3 | 2 | – |
| CO4 | 3 | 3 | 3 | 3 | – | – | – | – | – | – | – | 3 | 3 | 2 | – |
Evaluation Pattern
| Assessment | Internal | End Semester |
| Midterm Exam | 30 | |
| *Continuous Assessment (CA) | 30 | |
| End Semester | 40 |
Text Book(s)
Dewey H. Hodges, and G. Alvin Pierce, “Introduction to structural dynamics and aeroelasticity,” 2nd edition, Cambridge University Press, 2012
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.
Leonard Meirovitch, “Elements of vibration Analysis,” Tata McGraw Hill, 1986.
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