Center for Holographic Studies and Laser micro-mechaTronics (CHSLT)
NanoEngineering, Science, and Technology (NEST)
Mechanical & Materials Engineering Department
Worcester, MA 01609-2280
Cosme Furlong

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ME-3320.  Design of Machine Elements
Term B, 2024

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GENERAL INFORMATION

COURSE OFFERING: in-person

COURSE No.: ME-3320, B'2024
REQUIRED TEXT: R. L. Norton, "Machine Design. An Integrated Approach," Sixth Edition
Pearson, 2020

RECOMMENDED
TEXT: B. Hamrock, S. R. Schmid, and B. Jacobson, "Fundamentals of Machine Elements," Second Edition
McGraw-Hill, NY, 2005

LECTURES: M, Tu, Th @ 9:00 AM, HL-202
SECTION MTGs: F @ 10:00 - 11:50 AM, HL-031

HELP SESSIONS

MathCAD: Also see course Canvas site for related and additional materials.

Please note that main help session is on Friday, 10/25, during our section meeting

INSTRUCTOR: C. Furlong
Office: HL-152
(508) 831-5126
Email: cfurlong @ wpi.edu
http://www.wpi.edu/~cfurlong
OFFICE HOURS: M, Tu, W, Th, 10:00-10:50 am or by appointment

TA: Mahendran K.

Email: mk1 @ wpi.edu

Office: HL-149

OFFICE HOURS: W, 9:00-9:50 am and Th, 3:00-3:50 pm or by appointment

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HOMEWORK

PLACE ALL OF THE ASSIGNED AUTHOR's EXAMPLES AND SOLVED PROBLEMS INTO A THREE-RING NOTEBOOK and/or save in ELECTRONIC VERSION. The instructor will ask you to submit several of those problems - randomly chosen - for grading at each exam.

Good faith collaboration on the homework assignments is encouraged. In good faith collaboration, students should first make serious attempts to solve the problems on their own, and only then discuss the problems with one another to clarify difficulties they may have had. If the collaboration is done properly then, even though students have worked together, the details of their solutions should still be quite different.

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EXAMS AND DESIGN PROJECT

THERE WILL BE SIX (6) EXAMS AND ONE DESIGN PROJECT, which may involve the use of a computer program solver (e.g., Matlab, MathCad, ANSYS). To ensure fairness in your evaluation, the lowest exam score will be dropped.

Exams will be given on Fridays during portion of our section meetings, except during the first week of the term with no exam. Exams are open books and open notes. Each exam will include all (everything) of the materials covered until Tuesday (inclusive) the week of the exam.

Note:

• Exams are solved individually without collaboration during our conference times
• Additional time might be allowed for preparation and submission of solutions
• First exam is on Friday, November 01

Design projects are developed in teams of 3-4 students. Each team will be evaluated based on individual member efforts and on overall team outcomes and collaboration.

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GRADING

THE GRADE FOR THE COURSE WILL BE BASED 60% ON THE EXAMS and 40% ON THE DESIGN PROJECT. Participation in course discussions will be taken into consideration.

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Selected Resources on MathCad

Selected references to learn and use MathCad for Engineering Science calculations:

• Norton's website, examples, books, software (signing up is required)
• Norton's 5^th and 6^th Ed., Book Companion Website
• PTC MathCad: Courses and Tutorials for V15.0
• Numerical methods with MathCad: PTC community
• U-Tube video: Intro to matrices in MathCad
• Textbook: K.A. Ansari, Numerical Methods for Engineers with Mathcad Textbook Binding, Pine Orchard

COURSE OUTLINE
Entire Preliminary Outline is here

First week:

Students: please review materials before attending lectures

LINK is on the left column

DATE and LECTURE	TOPIC	READING ASSIGNMENT	HOMEWORK ASSIGNMENT
1. Oct 21, M	Course organization. Introduction. Units. Work. Power. Engineering design methodology. Master Chapter 1 of textbook: fundamentals	Ch. 1 of Textbook. Review notes and text: ES2001, ES2501, ES2502, ES2503	Author's: 1-1 Solve: 1-3, 1-7 (Use of Mathcad is recommended - do attend main help session this Friday)
2. Oct 22, Tu	Review of material properties. Stress-strain diagrams.	Ch. 2. of Textbook Review notes and text: ES2001	Author's: Solve: 2-1, 2-4, 2-8, 2-15, 2-21
3. Oct 24, Th	Force analysis. Location of critical section. Force flow method. Singularity functions.	Ch. 3. of Textbook Review notes and text: ES2501, ES2502	Author's: 3-5A, 3-5B, 3-6. Solve: 3-4, 3-10, 3-23(b), 3-24(e) (use of Mathcad is recommended)
3. Oct 25, F	MathCad: Main Help Session Held in Room: HL-031	Review and use materials: Shared during Help Session. Under "Some MathCad Resources" Section on this page & on Canvas.	Practice skills learned. For instance, homework problems assigned this week.

Second week:

Students: please review materials before attending lectures

LINK is on the left column

DATE and LECTURE	TOPIC	READING ASSIGNMENT	HOMEWORK ASSIGNMENT
4. Oct 28, M Design Project Intro Lecture	(CONTINUED) Force analysis. Location of critical section. Force flow method. Singularity functions. Design Project Teams	Ch 3. of Textbook Review notes and text: ES2501, ES2502	Author's: Solve: 3-28 (use of Mathcad is recommended)
5. Oct 29, Tu	Normal, shear, and principal stresses. Mohr's circle. Design Project Discussions	Ch. 4 of Texbook: Sections 4.0 to 4.6.	Author's: 4-2, 4-3. Solve: 4-1(a,c,i), 4-4. (use of Mathcad is recommended)
6. Oct 31, Th	Stress distribution in cross-sections under load.	Ch. 4. 4.7 to 4.11.	Author's: 4-4, 4-5, 4-6 Solve: 4-4, 4-18, 4-21. (use of Mathcad is recommended)
Nov 01, F	Exam I. & Design Project Discussions Covers all (everything) of the materials covered until Tuesday (inclusive) of this week. Lecture/reviews: 10:00 - 10:50 am Exam: 11:00 - 11:50 am	MathCad solution of Exam problems are in Canvas (available after Exam time)	Progress report #1: due next Monday Nov. 04.

Third week:

Students: please review materials before attending lectures

LINK is on the left column

DATE and LECTURE	TOPIC	READING ASSIGNMENT	HOMEWORK ASSIGNMENT
7. Nov 04, M	(CONTINUED) Stress distribution in cross-sections under load.	Ch. 4. 4.7 to 4.11.	Author's: 4-9, 4-10 Solve: 4-24f, 4-25f, (4-33, 4-34) rows f and g (use of Mathcad is recommended)
Nov 05, Tu	Wellness Day - No classes
8. Oct 07, Th	Beams.	Ch 4. 4.12 to 4.19.	Author's: Solve: (4-35, 4-36) rows f and g (use of Mathcad is recommended)
9. Nov 08, F	Beams (CONTINUED) Lecture/reviews: 10:00 - 10:50 am		Author's: Solve: 4-92c (use of Mathcad is recommended)
	Exam II. Covers all (everything) of the materials covered until Tuesday (inclusive) of this week. Exam: 11:00 - 11:50 am		Work on your design project

Fourth week:

Students: please review materials before attending lectures

LINK is on the left column

DATE and LECTURE	TOPIC	READING ASSIGNMENT	HOMEWORK ASSIGNMENT
10. Nov 11, M	Examples & Exam review Static failure theories: ductile & brittle	Ch. 5: 5.0 to 5.1	Author's: 5-1 Solve: 5-1(g,h,i,j) 5-4, 5-24f, 5-25f, 5-34m (use of Mathcad is recommended) Work on your design project
11. Nov 12, Tu	(CONTINUED) Static failure theories: ductile & brittle & Summary	Ch, 5: 5.2 to 5.5	Author's: 5-2 Solve: 5-10, 5-12, 5-30, 5-35m (use of Mathcad is recommended) Work on your design project
12. Nov 14, Th	Columns. Torsion. Cylinders.	Ch 4. 4.12 to 4.19.	Author's: 4-11 Solve: 4-51 (d,g), 4-52 (d,g) (use of Mathcad is recommended) Work on your design project
13. Nov 15, F	Static failure theories: ductile & brittle. (CONTINUED) Project Review Lecture/reviews: 10:00 - 10:50 am		Author's: Solve: 5-36m, 5-42 (use of Mathcad is recommended) Work on your design project
	Exam III. Covers all (everything) of the materials covered until Tuesday (inclusive) of this week. 11:00 - 11:50 am		Work on your design project

Fifth week:

Students: please review lectures before attending lectures

LINK is on the left column

DATE and LECTURE	TOPIC	READING ASSIGNMENT	HOMEWORK ASSIGNMENT
14. Nov 18, M	Design Project Presentations		Upload reports to Canvas (PDF, Memo format, see Canvas for more details) and briefings (PPT) - before the start of presentations.
15. Nov 19, Tu	Fatigue failure theories	Ch. 6: 6.0 to 6.4	Author's: Solve: 6-1(a,b,c), 6-2(a,b,c)
16. Nov 21, Th	Fatigue failure theories	Ch. 6: 6.5 to 6.6	Author's: 6-1, 6-2, 6-3 Solve: 6-5(a,f,j)
17. Nov 22, F	Fatigue failure theories	Ch. 8: Ch. 6: 6.5 to 6.6	Author's: 6-4 Solve: 6-15(b,c) 6-6
	Exam IV. Covers all (everything) of the materials covered until Tuesday (inclusive) of this week. 11:00 - 11:50 am

Sixt week:

Students: please review lectures before attending lectures

LINK is on the left column

DATE and LECTURE	TOPIC	READING ASSIGNMENT	HOMEWORK ASSIGNMENT
Thanksgiving break

Seventh week:

Students: please review lectures before attending lectures

LINK is on the left column

DATE and LECTURE	TOPIC	READING ASSIGNMENT	HOMEWORK ASSIGNMENT
18. Dec 02, M	Fatigue failure theories	Ch. 6: 6.5 to 6.6	Author's: 6-1, 6-2, 6-3 Solve: 6-5(a,f,j) (Similar as in Week 5)
19. Dec 03, Tu	Fatigue failure theories	Ch. 8: Ch. 6: 6.5 to 6.6	Author's: 6-4 Solve: 6-15(b,c) 6-6 (Similar as in Week 5)
20. Dec 05, Th	Fatigue failure theories	Ch. 6: 6.7 to 6.13	Author's: 6-5, 6-6 Solve: 6-10, 6-23(a,g), 6-34c.
21. Dec 06, F	Design Project Presentations		Upload reports to Canvas (PDF, Memo format, see Canvas for more details) and briefings (PPT) - before the start of presentations.
	Exam V. Covers all (everything) of the materials covered until Tuesday (inclusive) of this week. 11:00 - 11:50 am

Eighth week:

Students: please review lectures before attending lectures

LINK is on the left column

DATE and LECTURE	TOPIC	READING ASSIGNMENT	HOMEWORK ASSIGNMENT
22. Dec 09, M	Academic Enrichment Day - No classes
23. Dec 10, Tu	Fatigue failure theories	Ch. 8: Ch. 6: 6.5 to 6.6	Author's: 6-5, 6-6 Solve: 6-10, 6-23(a,g), 6-34c. (Similar as in Week 7)
24. Dec 12, Th Shaft Design Bearings Selection	Shaft design & Bearings selection	Ch. 6: 6.7 to 6.13	Author's: Solve:
25. Dec 13, F	Design Project Presentations		Upload reports to Canvas (PDF, in FINAL format, see Canvas for more details) - Hard copies as well and briefings (PPT) - before the start of presentations.
	Exam VI. Covers all (everything) of the materials covered until Tuesday (inclusive) of this week. 11:00 - 11:50 am

Peer Evaluation Form - Design Project

The instructor will provide Form by the end of the term

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