Plan for Monday, October 26, 2015

9:00

Review

  • superposition for beam deflection
  • singularity functions for beam deflection

Goals

9:05

Rigidity and stiffness of mechanical elements

9:25

Midterm:

Chapter 1

  • 1-1: Design
  • 1-2: Mechanical Engineering Design
  • 1-3: Phases and Interactions of the Design Process
  • 1-4: Design Tools and Resources
  • 1-5: The Design Engineer's Professional Responsibilities
  • 1-6: Standards and Codes
  • 1-7: Economics
  • 1-8: Safety and Product Liability
  • 1-9: Stress and Strength
  • 1-10: Uncertainty
  • 1-11: Design Factor and Factor of Safety
  • 1-12: Reliability and Probablity of Failure
  • 1-13: Relating the Design Factor to Reliability
  • 1-14: Dimensions and Tolerances
  • 1-15: Units
  • 1-16: Calculations and Significant Figures
  • 1-17: Design Topic Interdependencies

Recommended problems: 1-9, 1-12, 1-13, 1-14, 1-15, 1-16, 1-17, 1-21, 1-23, 1-24, 1-29, 1-31, 1-32

Chapter 3

  • 3-1: Free body diagrams
  • 3-2: Shear force and bending moment diagrams
  • 3-3: Singularity functions
  • 3-4: Stress
  • 3-5: Cartesion stress components
  • 3-6: Mohr's circle for plane stress
  • 3-7: General three dimensional stress
  • 3-8: Elastic strain
  • 3-9: Uniformly distributed stress
  • 3-10: Normal stresses for beams in bending
  • 3-11: Shear stresses for beams in bending
  • 3-12: Torsion (exclude "Closed Thin-Walled Tubes" and "Open Thin-Walled Sections"
  • 3-13: Stress concentrations
  • 3-14: Stresses in pressurized cyclinders
  • 3-18: Curved beams in bending
  • 3-19: Contact stresses

Recommend problems: 3-1 to 3-4, 3-5 to 3-8, 3-9 to 3-12, 3-14, 3-15 to 3-19, 3-20/21/22, 3-23, 3-25/26, 3-29, 3-35 to 3-38, 3-42, 3-44, 3-45,

Chapter 4

  • 4-3: Deflection due to bending
  • 4-4: Beam deflection methods
  • 4-5: Beam deflections by superposition
  • 4-6: Beam deflections by singularity functions

Top review requests:

    1. combined loadings and stress state: hw 2 prob 1, quiz 2
    1. singularity functions for beams
    1. problem 1 on hw 2: small angle deflection
    1. stress in curved beams
    1. beam deflection

9:45

Wrap up