MECH324 - Exam I Review Topics


reading assignments covered: Chapters 1, 2, 3, 4
(see the syllabus for section details)
  1. units
    1. slugs
    2. lb, lbm, lbf
  2. weight, force, ΣF = ma
  3. linkage fundamentals
    1. link, joint, ground link
    2. degrees of freedom (mobility)
      1. link in plane
      2. full joint
      3. half joint
      4. Gruebler's Equation
      5. Kutzbach's Modification
      6. structure
  4. common mechanisms
    1. crank-rocker
    2. slider-crank
    3. Scotch yoke
    4. cam-follower
    5. Geneva
  5. 4-bar linkage terminology
    1. driver (input), coupler, output
    2. crank, rocker
    3. Grashof condition
    4. inversions
    5. toggle positions
    6. transmission angle
  6. graphical linkage synthesis
    1. rocker output with angular displacement
    2. rocker output with complex displacement
    3. coupler output
    4. dyad driver for rocker input
    5. quick-return mechanisms
    6. coupler curve output
    7. symmetrical 4-bar linkage
      1. coupler angle
      2. FOURBAR program inputs
  7. special purpose linkages
    1. straight-line linkages
    2. geared 5-bar
    3. dwell linkage
  8. vector fundamentals
    1. position vector
    2. polar form
    3. rectangular form
    4. complex exponential form
    5. magnitude and angle
    6. quadrant-sensitive arctangent function
    7. Euler's Identity
    8. vector addition and difference
  9. vector loop analysis
    1. vector directions and angles
    2. subscript notation
    3. vector loop equations
      1. direction and path
    4. slider-crank analysis
    5. 4-bar analysis
      1. "open" and "crossed" configurations
      2. positive and negative angles
      3. link lengths and angles for using equations in the book
      4. coupler point position
      5. transmission angle calculation
  10. miscellaneous
    1. reading assignments
    2. homework assignments
    3. laboratory exercises