Lecture Notes
Chapter | Week | Subject |
---|---|---|
Introduction- Concept of Stress |
1 |
Equilibrium of a deformable body, average normal and shear stress, bearing stress, allowable stress, factor of safety, deformation. |
Stress and Strain - Axial Loading |
2 |
Normal and shear strain, the tension test, Hooke’s law, Poisson’s ratio. |
3 |
Elastic deformation of an axially loaded members, principle of superposition, statically indeterminate axially loaded member, thermal stress. |
|
Torsion |
4 | The torsion formula, power transmission. |
5 | Statically indeterminate torque-loaded members, torsion of non-circular shafts. | |
Pure Bending | 6 | Shear and moment diagrams, the flexure formula. |
7 | Bending of composite beams, stress concentrations, eccentric axial loading, un-symmetric bending. | |
Shearing Stress in Beams and Thin-Walled Members. | 8 | The shear formula, shear stresses in beams, shear flow in built-up members. |
Transformation of Stress and Strain |
9 | Plane stress transformation, general equations of plane stress transformation. |
10 | Mohr’s circle. | |
11 | Plane strain, Mohr’s circle, failure criteria. | |
Principal Stresses Under a Given Loading | 12 |
State of stress caused by combined loading. |
Deflection of Beams | 13 | The elastic curve, slope and displacement by integration method. |
Energy Methods |
14 |
Strain energy, strain energy density, strain energy for normal stress, shearing stress and general state of stress, work and energy under single and several loads, Castigliano’s theorem. |