JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
AE407PC: AEROSPACE STRUCTURES LAB
B.Tech II Year II Semester (R18)
Pre-Requisites
Theory of Structure
Course Objectives:
Provide basic knowledge on the mechanical behavior of materials like aluminum, mild steel, and cast iron.
Visualize the crack detection using various NDT methods and also discuss the changing strength due to these defects.
Understand the concept of locating the shear centre for open and closed section of beams.
Obtain buckling strength of both long and short columns using different elastic supports.
Course Outcomes:
Various load testing methodology and selecting the suitable structure for different components
LIST OF EXPERIMENTS
1. Direct Tension Test; Tensile testing using UTM, mechanical and optical extensometers, stress strain curves and strength test or various engineering materials.
2. Deflection Test ; Stress and deflections of beams for various end conditions, verification of Maxwell‘s theorem
3. Buckling Test; Compression tests on long columns, Critical buckling loads.
4. Buckling Test; Compression tests on short columns, Critical buckling loads, south well plot.
5. Bending Test; Unsymmetrical Bending of a Beam.
6. Shear Centre for Open Section; Shear Centre of an open Section beam.
7. Shear Centre for Closed Section; Shear Centre of a closed Section beam.
8. Wagner’s Theorem; Wagner beam – Tension field beam.
9. Sandwich Panel Tension Test; Fabrication and determine the young‘s modulus of a sandwich structures.
10. Non-Destructive Testing ; Study of non-destructive testing procedures using dye penetration,
11. Non-Destructive Testing; Magnetic particle inspection and ultrasonic techniques.
12. Vibration Test; Determination of natural frequency of beams under free and forced vibration using.
REFERENCE BOOKS:
1. Megson, T.H.G., Aircraft Structures for Engineering Students, 4th edn., Elsevier, 2007, ISBN 0-750-667397.
2. Peery, D.J. and Azar, J.J., Aircraft Structures, 2ndedn, McGra-Hill, 1982, ISBN 0-07-049196- 8.
3. Bruhn. E.H, Analysis and Design of Flight Vehicles Structures, Tri-state Off-set Company, USA, 1965.