Mechanics of Solids (ME21203), Autumn 2022

Mechanical Engineering Department, Indian Institute of Technology Kharagpur


Week Coverage
Week 1
Aug. 1–5

Prescribed Viewing:

  • Revision of lectures on Stress and Strain from BEM


Live Sessions:

  • August 3 (Wednesday): 8 AM to 10 AM
    • Introduction to the course
    • Discussion of course structure, evaluation, and policies
    • Revision of stress and strain

  • August 4 (Thursday): 10 AM to 11 AM
    • Revision of stress and strain
    • Stress-strain diagram

Week 2
Aug. 8–12

Live Sessions:

  • August 8 (Monday): 10 AM to 11 AM
    • Torsion of shafts with circular cross-section
    • Shear stress and angle of twist

  • August 10 (Wednesday):
    • Basics of transmission shaft design
    • Problem solving

  • August 11 (Thursday):
    • Tutorial: TS1

Week 3
Aug. 15–19

Live Sessions:

  • August 15 (Monday):
    • Institute holiday (Independence Day)

  • August 17 (Wednesday): 8 AM to 10 AM
    • Shear and bending moment diagrams
    • Relationships between load, shear, and bending moment

  • August 18 (Thursday):
    • No class during normal class hours
    • Extra class in the evening: Tutorial

Week 4
Aug. 22–26

Live Sessions:

  • August 22 (Monday): 10 AM to 11 AM
    • Bending deformation
    • Flexure formula

  • August 24 (Wednesday): 8 AM to 10 AM
    • Problem solving, Tutorial

  • August 25 (Thursday): 10 AM to 11 AM
    • Tutorial

Week 5
Aug. 29–Sep. 2

Live Sessions:

  • August 29 (Monday): 10 AM to 11 AM
    • Shear in straight beams
    • Shear formula

  • August 31 (Wednesday): 8 AM to 10 AM
    • Problem solving, Tutorial

  • September 1 (Thursday): 10 AM to 11 AM
    • Tutorial

Week 6
Sep. 5–9

Live Sessions:

  • September 5 (Monday): 10 AM to 11 AM
    • Concept of traction
    • Transformation of stress

  • September 6 (Tuesday):
    • 1st Class Test: 6:00 PM – 7:30 PM

  • September 7 (Wednesday): 8 AM to 10 AM
    • Mohr’s circle
    • Problem solving

  • September 8 (Thursday): 10 AM to 11 AM
    • Tutorial

Week 7
Sep. 12–16

Live Sessions:

  • September 12 (Monday): 10 AM to 11 AM
    • Deformation and displacement
    • Strain

  • September 14 (Wednesday): 8 AM to 10 AM
    • Strain transformation
    • Plane strain
    • Principal strains

  • September 15 (Thursday): 10 AM to 11 AM
    • Tutorial

Week 8
Sep. 19–23

Live Sessions:

  • September 19 (Monday): 10 AM to 11 AM
    • Doubt clearing
    • Advice for Mid-Semester Examinations

September 20–30: Mid-Semester Examinations
October 1–6: Autumn Break
Week 9
Oct. 10–14

Prescribed Viewing:

  • Revision of lectures on thin-walled pressure vessels from BEM


Live Sessions:

  • October 10 (Monday): 10 AM to 11 AM
    • Combined loading
    • Problem solving

  • October 12 (Wednesday): 8 AM to 10 AM
    • Problem solving
    • Tutorial

  • October 13 (Thursday): 10 AM to 11 AM
    • Tutorial

  • October 13 (Thursday): Extra class in the evening
    • Thick-walled pressure vessel
    • Problem solving

Week 10
Oct. 17–21

Live Sessions:

  • October 17 (Monday): 10 AM to 11 AM
    • Deflection of beam under transverse loading

  • October 19 (Wednesday): 8 AM to 10 AM
    • Statically determinate/indeterminate beams
    • Problem solving

  • October 20 (Thursday):
    • Tutorial

Week 11
Oct. 24–28

Live Sessions:

  • October 24 (Monday):
    • Institute Holiday (Diwali)

  • October 26 (Wednesday): 8 AM to 10 AM
    • Stability of columns
    • Ideal column with pin supports: Euler buckling criterion
    • Columns having various types of supports

  • October 27 (Thursday): 10 AM to 11 AM
    • Problem solving
    • Tutorial

Week 12
Oct. 31–Nov. 4

Live Sessions:

  • October 31 (Monday): 10 AM to 11 AM
    • External work and strain energy

  • November 1 (Tuesday):
    • 2nd Class Test: 6 PM – 7:30 PM

  • November 2 (Wednesday):
    • Elastic strain energy for various types of loading
    • Limitations of conservation of energy principle
    • Principle of virtual work

  • November 3 (Thursday): 10 AM to 11 AM
    • Principle of virtual work based on forces
    • Principle of virtual work based on displacements

Week 13
Nov. 7–11

Live Sessions:

  • November 7 (Monday): 10 AM to 11 AM
    • Problem solving
    • Castigliano’s theorem

  • November 9 (Wednesday): 8 AM to 10 AM
    • Problem Solving
    • Tutorial

  • November 10: (Thursday): 10 AM to 11 AM
    • Tutorial

Week 14
Nov. 14–18

Live Sessions:

  • Nov. 14 (Monday): 10 AM to 11 AM
    • Doubt clearing
    • Advice for End-Semester Examinations

November 16–25: End-Semester Examinations