AE3403 Syllabus - Aircraft Structures – I - 2021 Regulation Anna University

AE3403 Syllabus - Aircraft Structures – I - 2021 Regulation Anna University

AE3403

AIRCRAFT STRUCTURES – I

 LTPC

3003

COURSE OBJECTIVES:
• To provide the students an understanding on the linear static analysis of determinate and indeterminate aircraft structural components.
• To provide the students an understanding on energy methods to statically determinate and indeterminate structures
• To make the students to Create a structure to carry the given load.
• To make the students to Calculate the response of statically indeterminate structures under various loading conditions.
• To provide the design process using different failure theories

UNIT I

STATICALLY DETERMINATE & INDETERMINATE STRUCTURES

9

Plane truss analysis – method of joints – method of sections – method of shear – 3-D trusses – principle of super position, Clapeyron’s 3 moment equation and moment distribution method for indeterminate beams.

UNIT II

ENERGY METHODS

9

Strain Energy in axial, bending, torsion and shear loadings. Castigliano’s theorems and their applications. Energy theorems – dummy load & unit load methods – energy methods applied to statically determinate and indeterminate beams, frames, rings & trusses.


UNIT III

COLUMNS

9

Euler’s column curve – inelastic buckling – effect of initial curvature – Southwell plot – columns with eccentricity – use of energy methods – theory of beam columns – beam columns with different end conditions – stresses in beam columns.

UNIT IV

FAILURE THEORIES

9

Ductile and brittle materials – maximum principal stress theory - maximum principal strain theory - maximum shear stress theory - distortion energy theory – octahedral shear stress theory.

UNIT V

INDUCED STRESSES

9

Thermal stresses – impact loading – Fatigue – Creep - Stress Relaxation

TOTAL: 45 PERIODS

COURSE OUTCOMES: At the end of the course, Students can able to
CO1: Explain the method to analyse the linear static analysis of determinate and indeterminate aircraft structural components
CO2: Apply the energy methods to determine the reactions of structure.
CO3: Analyse the column structure with different end condition.
CO4: Design the component using different theories of failure.
CO5: Create a structure to carry the given load by considering effect of induced stresses

TEXT BOOKS:
1. ‘Mechanics of Materials’ by James M. Gere & Barry J Goodno, cengage Learning Custom Publishing; 8th edition, 2012.
2. Megson T M G, `Aircraft Structures for Engineering students’ Butterworth-Heinemann publisher, 5th edition, 2012.
3. N.C. Pandya, C.S. Shah, “Elements of Machine Design”, Charotar Publishing House, 15th edition, 2009.

REFERENCES:
1. Bruhn E F, ‘Analysis and Design of Flight Vehicle Structures’, Tri-State Off-set Company, USA, 1985
2. Donaldson, B.K., ‘Analysis of Aircraft Structures - An Introduction’ Cambridge University Press publishers, 2 nd edition, 2008
3. Peery, D.J., and Azar, J.J., Aircraft Structures, 2nd edition, McGraw – Hill, N.Y., 1999.

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