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Online Course

Machine Design Part I

Georgia Institute of Technology via Coursera


“Machine Design Part I” is the first course in an in-depth three course series of “Machine Design.” The “Machine Design” Coursera series covers fundamental mechanical design topics, such as static and fatigue failure theories, the analysis of shafts, fasteners, and gears, and the design of mechanical systems such as gearboxes. Throughout this series of courses we will examine a number of exciting design case studies, including the material selection of a total hip implant, the design and testing of the wing on the 777 aircraft, and the impact of dynamic loads on the design of an bolted pressure vessel.

In this first course, you will learn robust analysis techniques to predict and validate design performance and life. We will start by reviewing critical material properties in design, such as stress, strength, and the coefficient of thermal expansion. We then transition into static failure theories such as von Mises theory, which can be utilized to prevent failure in static loading applications such as the beams in bridges. Finally, we will learn fatigue failure criteria for designs with dynamic loads, such as the input shaft in the transmission of a car.


Material Properties in Design
-In this week, we will first provide an overview on the course's content, targeted audiences, the instructor's professional background, and tips to succeed in this course. Then we will cover critical material properties in design, such as strength, modulus of elasticity, and the coefficient of thermal expansion. A case study examining material selection in a Zimmer orthopedic hip implant will demonstrate the real life design applications of these material properties. At the end of the week you will have the opportunity to check your own knowledge of these fundamental material properties by taking Quiz 1 "Material Properties in Design."

Static Failure Theories - Part I
-In week 2, we will review stress, strength, and the factory of safety. Specifically, we will review axial, torsional, bending, and transverse shear stresses. Please note that these modules are intended for review- students should already be familiar with these topics from their previous solid mechanics, mechanics of materials, or deformable bodies course. For each topic this week, be sure to refresh your analysis skills by working through worksheets 2, 3, 4 and 5. There is no quiz for this week.

Static Failure Theories - Part II
-In this week we will first cover the ductile to brittle transition temperature and stress concentration factors. Then, we will learn two critical static failure theories; the Distortion Energy Theory and Brittle Coulomb-Mohr Theory. A case study featuring the ultimate load testing of the Boeing 777 will highlight the importance of analysis and validation. Be sure to work through worksheets 6, 7, 8 and 9 to self-check your understanding of the course materials. At the end of this week, you will take Quiz 2 “Static Failure.”

Fatigue Failure - Part I
-In week 4, we will introduce critical fatigue principles, starting with fully revisable stresses and the SN Curve. Then, we discuss how to estimate a fully adjusted endurance limit. Finally, a case study covering the root cause analysis of the fatigue failure of the Aloha Airlines flight 293 will emphasize the dangers of fatigue failure. In this week, you should complete worksheets 10, 11 and 12 as well as Quiz 3 “Fully Reversed Loading in Fatigue.”

Fatigue Failure - Part II
-In this last week of the course, we will cover the fatigue failure criteria for fluctuating and randomly varying stresses, including key concepts such as the Modified Goodman line and Miner’s Rule. This week be sure to complete worksheets 13 and 14 as well as Quiz 4 “Fluctuating Fatigue and Miner’s Rule.” Finally, take Quiz 5, “The Comprehensive Quiz”, which will measure your overall knowledge of this course.

Taught by

Dr. Kathryn Wingate


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4.7 rating, based on 6 reviews

Start your review of Machine Design Part I

  • Pyae Phyo Paing

    Pyae Phyo Paing is taking this course right now.

    This class is very essential for fresher in mechanical engineering field especially for developing countries. I am mechanical engineer but i did not know about machinery design.So, I want to study machinery desgin. Thank you all!
  • Vaibhav Vilas Bamnote

    Vaibhav Vilas Bamnote completed this course, spending 5 hours a week on it and found the course difficulty to be medium.

    From mechanical engineers perspective the overall course content was very important and insightful. Fatigue study was new topic for me and I think it will be really useful further both conceptually and in application view.
  • Adham Osama completed this course.

    one of the best courses I have taken in such a topic whose resources are relatively scarce. the instructor explanation is great despite the small lecturing time.
  • Daniel Rowe completed this course, spending 6 hours a week on it and found the course difficulty to be hard.

    Excellent recap for mechanical engineers. The section on fatigue was particularly useful and I look forward to further editions of the Machine Design series.
  • Alexander Todorov completed this course.

  • Salar Ghafarpour completed this course.

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