|
Class
|
Date |
Topic |
Chap/Sec |
Summary of Lectures (LIVE!) |
| 1 |
2/9/99 |
Introduction/Review of Statics |
- |
- Overview of Mechanics of Materials
- External loads/ equivalent forces/ centroids
- Types of support reactions
- Equations of equilibrium
- Free body diagrams: internal forces
|
| 2 |
2/11/99 |
Review of Statics |
- |
- Free body diagrams:(internal forces and support reactions)
- Shear and moment diagrams
- Definition of stress
|
| 3 |
2/16/99 |
Stress |
Chapter 1 |
- Definition/derivation of stress (3 normal and 3 shear stress)
- Definition/derivation of normal stress
- St Venant's Principle
- Illustrative examples
|
| 4 |
2/18/99 |
Stress |
Chapter 1 |
- Definition/derivation of shear stress
- Shear force/shear areas in simple connections
- Allowable Stress/Factors of Safety
- Illustrative examples
|
| 5 |
2/23/99 |
Mechanical Properties of Materials |
Chapter 3 |
- Definition of strain
- Average normal and shear strain
- Stress-strain diagrams
|
| 6 |
2/25/99 |
Mechanical Properties of Materials |
Chapter 3
Chapter 9 |
- Normal stress-strain response of ductile and brittle materials
- Mechanical property definitions for Young's Moduli, yields stress, ultimate stress, etc.
- Hookes Law
|
| 7 |
3/2/99 |
Transformation of Stress |
Chapter 3
Chapter 9 |
- Strain Energy
- Poisson's ratio
- Generalized Hookes Law
- Shear-stress strain response
- Creep and Fatigue
- Stress transformations
|
| 8 |
3/4/99 |
Transformation of Stress |
Chapter 9 |
- Plain stress
- Stress-transformation equations
- Maximum principle stresses
- Maximum in-plane shear stresses
- Illustrative examples
|
| 9 |
3/9/99 |
Axial Load |
Chapter 4 |
- Axial load
- Definition of problem class
- Deflections in axially loaded members
- Examples of determinant problems
|
| 10 |
3/11/99 |
Transformation of Strain |
Chapter 10 |
- Plain strain
- Plain strain translation equations
- Principle strain and max inplane shear strain
- Material property relationships
- Theories of failure
|
| 11 |
3/16/99 |
Axial Load |
Chapter 4 |
- Review of axially loaded members
- Statically indeterminate axially loaded members
- Thermal strains / stresses
|
| 12 |
3/18/99 |
Torsion |
Chapter 5 |
- Introduction to torsion / Torsion of shafts
- Derivation of shear strain
- Torsion formula
- Derivation / Definition of polar moment of inertia
- Absolute maximum shear stress / Torque diagrams
- Power transmission
- Example problems
|
| 13 |
3/23/99 |
Torsion |
Chapter 5 |
- Angle of twist
- Statically indeterminate torque members
- Shear flow in thin-walled tubes
- Stress concentrations
- Inelastic Torsion
|
| 14 |
3/25/99 |
EXAM |
EXAM |
EXAM |
| 15 |
4/6/99 |
Beam Bending |
Chapter 6 |
- General review of beams
- Axial shear and bending moment diagrams
- Graphical method for constructing shear and moment diagrams
|
| 16 |
4/8/99 |
Beam Bending |
Chapter 6 |
- Review of bending deformation of a straight, prismatic, homogeneous beam subjected to pure bending
- The "flexure formula"
- Moments of inertia of a cross-section
|
| 17 |
4/13/99 |
Beam Bending |
Chapter 6 (sec. 6.4 & Appendix A) |
- Centroids of areas; general equations, "composite" areas, axes of symmetry
- Moments of inertia of an area (2nd moment of area): Ix, Iy, Iz = J (polar moment of inertia)
|
| 18 |
4/15/99 |
Beam Bending |
Chapter 6 (section 6.4) |
- The "flexure formula"
- Example of beam bending
|
| 19 |
4/20/99 |
Bending of 'Composite ' Beams |
Chapter 6, (sec. 6.6-6.7) |
- Composite beams
- Reinforced concrete beams
|
| 20 |
4/22/99 |
Transverse Shear |
Chapter 7 (sec.7.1-7.3) |
- The shear formula
- Shear stresses in beams
|
| 21 |
4/27/99 |
Transverse Shear |
Chapter 7 (sec. 7.3) |
- Review the shear formula and shear stresses in beams
- Example 7-3
|
| 22 |
4/29/99 |
Transvere Shear |
Chapter 7 (sec. 7.4) |
- Shear flow in built-up members
- Example 7-4
|
| 23 |
5/4/99 |
Combined Loadings |
Chapter 4 (sec. 4.3), Chapter 8 (sec. 8.2) |
- Review of principle of superposition (is valid if);
- 1) The loading must be linearly related to the stress or displacement
- 2) The loading must not significantly change the original geometry of the member
- State of stress caused by combined loadings
|
| 24 |
5/6/99 |
Deflections of Beams and Shafts |
Chapter 12 (secs. 12.1, 12.2) |
- The elastic curve and how to draw it (sec. 12.1)
- Displacement and slope by integration (sec. 12.2)
|
| 25 |
5/11/99 |
Deflections of Beams and Shafts |
Chapter 12 (sec. 12.2) |
- Examples of slope and displacement by integration (sec. 12.2).
|
| 26 |
5/13/99 |
Deflections of Beams and Shafts |
Chapter 12 (sec. 12.2) |
- More examples of slope and displacement using the integration Method (sec. 12.2)
|
| 27 |
5/18/99 |
Review/Teaching Evaluations |
Chapter1-10 and 12 |
- |
| 28 |
5/20/99 |
Help Session I |
12:30-2:00 PM |
Room #137, Dupont Hall |
| 29 |
5/24/99 |
Help Session II |
1:00-3:00 PM |
Room #137, Dupont Hall |
| *30* |
5/26/99 |
FINAL EXAM |
1:00-3:00 |
Good Luck :) |
