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Sathyabama Institute of Science and Technology B.E. - Aeronautical Engineering SAEA1402 Aircraft Structures Syllabus

Sathyabama Institute of Science and Technology B.E. - Aeronautical Engineering SAEA1402 Aircraft Structures Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL OF MECHANICAL ENGINEERING

SAEA1402 AIRCRAFT STRUCTURES
L T P Credits Total Marks
3 0 0 3 100

UNIT 1 STATICALLY DETERMINATE AND INDETERMINATE STRUCTURE 9 Hrs.
Truss: Analysis of plane truss–Method of joints–3DTruss. - Load transmission in multiple span beam-Clapeyron's Three
Moment Equation.

UNIT 2 ENERGY METHODS 9 Hrs.
Strain Energy due to axial, bending and Tensional loads-Castigliano's theorem-Maxwell's Reciprocal theorem ,Unit load
method ,The principle of virtual work- application to beams ,trusses, -redundant center.

UNIT 3 UNSYMMETRICAL BENDING 9 Hrs.
Bending stresses in beams of unsymmetrical sections– Bending of symmetric sections with skew loads.

UNIT 4 SHEAR FLO WIN OPEN AND CLOSED SECTIONS 9 Hrs.
Concept of shear flow, shear centre, Elastic axis. With one axis of symmetry, with wall effective and ineffective in bending,
unsymmetrical beam sections. Bredt–Batho formula, Shear flow in single & multi cell structure sunder torsion.

UNIT 5 STRESS ANALYSIS IN WING AND FUSELAGE 9 Hrs.
Structural lay out of the Airplane and components, loads acting on major components such as wing, fuselage, tails, landing
gear etc., Concept of allowable stress and margin of safety. Procedure–Shear and bending moment distribution for semi
cantilever and other types of wings and fuselage, thin webbed beam. With parallel and nonparallel flanges, Shear resistant
web beams, Tension field web beams(Wagner’s).
Max. 45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Analysis of plane truss and load transmission techniques in multiple span beam.
CO2 - Analysis of various loads in beams and trusses and strain energy.
CO3 - Analysis of Bending stresses in beams of unsymmetrical sections.
CO4 - Analysis of shear flow, shear center in open and closed sections.
CO5 - Analysis of Structural lay out of the Airplane and components.
CO6 - Analysis of loads acting on major components such as wing, fuselage, tails, landing gear.

TEXT / REFERENCE BOOKS
1. Megson, T.M.G., “Aircraft Structures for Engineering Students”, Edward Arnold, 2012.
2. Bruhn. E.H. “Analysis and Design of Flight vehicles Structures”, Tri– stateoff set Company, USA, 2015.
3. Millard V.Barton, ‘Fundamentals of Aircraft Structures ” Prentice Hall, 2012.
4. Timoshenko,S., “Strength of Materials”,Vol.I and II, Princeton D. Von Nostrand Co,2012.
5. Donaldson, B.K., “Analysis of Aircraft Structures– An Introduction”, McGraw-Hill, 2011.

END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Question of 2 marks each – No choice 20 Marks
PART B: 2 Questions from each unit of internal choice, each carrying 16 marks 80 Marks

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