MECH307 MECHANICAL ENGINEERING DESIGN

Course Code:3650307
METU Credit (Theoretical-Laboratory hours/week):3 (3.00 - 0.00)
ECTS Credit:7.0
Department:Mechanical Engineering
Language of Instruction:English
Level of Study:Undergraduate
Course Coordinator:Prof.Dr. EŞREF EŞKİNAT
Offered Semester:Fall Semesters.

Course Objectives

At the end of this course, the student will:

  • Have a strong grasp of 3D stress state, the most critically stressed point in a machine component, strains and deflections,
  • Comprehend ISO system of tolerances and fits,
  • Understand and apply multidimensional static failure criteria,
  • Understand and apply fatigue criteria for fatigue failure and load-life relation,
  • Analyze and design structural joints,
  • Analyze and design power transmission shafts,
  • Analyze and design mechanical springs,
  • Acquire experience in using and obtaining information from engineering documents,
  • Get acquainted with standards, safety, reliability, importance of dimensional parameters and manufacturing aspects of mechanical design, and
  • Improve their technical report writing skills.

Course Content

Tolerances and allowances. Buckling. Stress and strain analysis in 3-D. Thick walled cylinders. Contact stresses. Strain Energy and Castigliano?s theorem. Factor of safety. Stress concentration. Static design criteria; theories of failure for ductile and brittle materials. Fatigue design criteria; stress-life diagram, fatigue under mean and combined stresses. Stresses in permanent joints; riveted joints, welded joints. Friction, wear and lubrication.


Course Learning Outcomes

Having successfully completed this course, the student will be able to:

  • Define the most critically stressed point in a machine component.
  • Analyze a 3-D stress state, strains and deflections.
  • Understand and interpret tolerance on a dimension, familiar with ISO system of tolerances, specify an appropriate tolerance on machine components, and a fit for mating parts considering functional requirements.
  • Identify various multidimensional static failure criteria for different materials, and apply multidimensional static failure criteria in the design and analysis of machine components.
  • Identify fatigue failure and load-life relation, and apply various multidimensional fatigue failure criteria in the design and analysis of machine components under various loading conditions.
  • Analyze and design structural joints,
  • Analyze and design power transmission shafts carrying various elements with geometrical features,
  • Analyze and design mechanical springs,
  • Acquire experience in using and obtaining information from engineering documents,
  • Get acquainted with standards, safety, reliability, importance of dimensional parameters and manufacturing aspects of mechanical design,
  • Improve their technical report writing skills.

Program Outcomes Matrix

Level of Contribution
#Program Outcomes0123
1Ability to establish the relationship between mathematics, basic sciences and engineering sciences with engineering applications
2Ability to find and interpret information
3Ability to follow the literature and technology related to his/her topic of interest
4Recognition of the need to keep oneself up to date in his/her profession
5Possession of written and oral communication skills
6Ability to conduct team work (within the discipline, inter-disciplinary, multi-disciplinary)
7Ability to produce original solutions
8Use of scientific methodology in approaching and producing solutions to engineering problems and needs
9Openness to all that is new
10Ability to conduct experiments
11Ability to do engineering design
12Awareness of engineering ethics, knowledge and adoption of its fundamental elements
13Ability to take societal, environmental and economic considerations into account in professional activities
14Possession of pioneering and leadership characteristics in areas related to the profession

0: No Contribution 1: Little Contribution 2: Partial Contribution 3: Full Contribution