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Course Detail

Course Name Aerospace Structures I
Course Code 15 AES 213
Program B. Tech. in Aerospace Engineering
Semester Four
Year Taught 2019


Unit 1

Stress at a point, stress transformations, principal stresses, normal and shear strains, strain transformations, principal strains, Mohr’s circle, bi-axial and tri-axial stresses, generalized Hooke’s law, plane stress and plane strain, analysis of thin and thick walled pressure vessels.

Unit 2

Types of riveted, bolted, and welded joints, merits and demerits of various joints, study of failure behavior and simple design of joints, strain and potential energies, strain energy density, gradually applied loads and suddenly applied loads, Castigliano’s theorem I and Castigliano’s theorem II, Maxwell-Betti’s theorem, unit load method and its applications, principle of virtual work, principle of virtual displacement and principle of virtual force.

Unit 3

Buckling of columns, Euler’s formula, effective length, load versus deflection plot, load eccentricity, imperfections, South-well plot, beam columns, maximum principle stress theory, maximum principle strain theory, maximum strain energy theory, maximum shear stress (Tresca) theory, and maximum distortion (von-Mises) theory, loads on an aircraft, characteristics of aircraft structures, basic structural members in aircraft structures and their functions.

Text Books

  1. James M Gere, Barry J. Goodno “Mechanics of Materials”, 8th Edition, Cengage Learning, USA, 2013.
  2. R. C. Hibbeler “Mechanics of Materials”, 8th Edition, P P Hall, New Jersey, USA, 2011.


  • James M Gere, Stephen P. Timoshenko “Mechanics of Materials”, 2nd Edition, CBS Publishers, New Delhi, 1986.
  • Srivastava, Gope ” Strength of Materials”, Prentice-Hall of India, 2007
  • C.T. Sun, “Mechanics of Aircraft Structures”, Second Edition, John Wiley & Sons, New York, 2006.
  • Megson, T. H. G., “Aircraft Structures for Engineering Students”, Butterworth-Heinemann, USA, 2007.

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