Robert L. Norton, Course ME 3311 - Dynamics of Machinery

Course ME 3311 - Dynamics of Machinery

Our approach to the subject will not rely upon "rote" learning and subsequent regurgitation of "facts" but will rather emphasize understanding and application of the subject matter in a realistic and practical context. To do this we will rely heavily on project and experimental work. There will be two projects which will show your understanding of physical and mathematical concepts related to the course topics.

The grading algorithm is listed on the syllabus. The majority of your grade is based on the projects with progress reports, experiments, your design notebook, and homework making up the balance.

The three principal objectives of this course are:

Give you an understanding of the fundamentals of the dynamics of machines.
Give you practice in solving unstructured "real" engineering problems.
Improve your ability to communicate your understanding of the topics through preparation of professional quality technical reports.

Note that you may be the cleverest person in the world, but if you cannot communicate your "cleverness" clearly and concisely, no one (including us) will know how good you are. Thus what may appear to you on the surface to be an irrelevant emphasis on the communications aspects of the course, is in fact crucial to the informational aspects of the subject matter. You may think you understand the concepts of the subject, but unless you can clearly explain what you have done, and why it does (or doesn't) work, then you do not in fact understand the concepts. Thus, we will judge your understanding of the subject matter based in large part on your communication of that understanding in the form of the professional report. Some students misinterpret this requirement as meaning that "you don't have to know the material--you just have to talk a good game." This is most emphatically not the case. Your level of understanding or lack thereof will be glaringly evident in your writing, even showing through bad grammar and bad spelling.

What is expected of you?

Attend all lectures
Attend all section meetings and participate therein with questions, answers and comments
Do all homework on time--no late homework will be accepted.
Do all progress reports on time.
Do all projects and present them in the form prescribed in the handout "Report Specifications."

You really must start the project when it is handed out. You cannot throw it together at the last minutee and expect to get good results or a good grade!

In addition, you are expected to approach this course with the WPI Philosophy of Education in mind, as described in the Undergraduate Catalog. One phrase from that document sums it up--"WPI educated people should be able to cope with change, to learn by themselves, to think for themselves, to analyze and deal with problems in a confident and realistic manner."

Machine dynamics is a very interesting and a broad subject, though a moderately difficult one. It is impossible to cover all its aspects in a 7-week course. Therefore, the readings, and the projects may deal with topics not specifically covered in class lectures. Nevertheless, you are expected, in the spirit of the WPI Plan, to extend yourself, learn on your own, and rise to the challenges of the course objectives.

R. L. Norton

SYLLABUS for ME 3311 DYNAMICS OF MACHINERY B-97

	Professor:	Robert L. Norton	Office HL 210	Ph: 831-5537
	Teaching Assistant:		Office HL 3rd floor	Ph:

Texts: Design of Machinery, by R. L. Norton, McGraw-Hill 1992

The Elements of Style, by Strunk & White

Materials: Computation Notebook # 43-648 at WPI Bookstore

Recommended: TKSolver Student Edition, by Universal Technical Systems

An Introduction to TKSolver ..., by R. Ferguson, Addison Wesley

Cl	Day	Date	Topic	Reading	Homework
			Week 1
1	Th	10/30	Introduction, mass, units, moment of inetria, transfer thm, percussion center	Sects 1.8, 11.0 to 11.9	In handout, probs 10-5
2	F	10/31	Lumped parameter models, combining elements, lever ratios	Sect 17.0 - 17.2	In handout, probs 10-6, 10-20, 10-24
			Week 2
*S	M	11/3	Introduction to programs - TkSolver Matrix and Fourbar	Sects 5.5 - 5.6 and Chap. 8
3	Tu	11/4	Dynamic Force Analysis of Fourbar linkages - using matrix methods & program Matrix	Sect 12.1 - 12.10	In handout, probs 11-12, 11-13
4	Th	11/6	Dynamic Force Analysis of Fourbar linkages Virtual Work - Flywheels	Sects 12.4 - 12.10 Sects 12.11 - 12.12	in text probs 12-6b, 12-7 row b
5	F	11/7	Project 1 assigned - Discuss Project, Report Writing	READ Strunk & White, Report Specs	BEGIN PROJECT NOW!
			Week 3
*S	M	11/10	Lab/Demo of Fourbar Linkage Dynamics in Vibrations lab HL 031	Sects 13.0 - 2	Exp #1. Measure F12 and F14 and compare to theoretical
6	Tu	11/11	Balancing - Static & Dynamic	Sects 13.3 - 6	In handout, probs 12-15, 12-18
7	Th	11/13	Balancing Fourbar Linkages	Sects 1.4 - 7, 12.9	In handout, probs 12-12
8	F	11/14	Engine Dynamics - Kinematics/Gas Forces - Binomial Expansion	Sects 14.0 - 3	in text 14-1, 14-3, 14-5
			Week 4
*S	M	11/17	Lab/Demo of Fourbar Linkage Balancing in Vibrations lab HL 031		Exp #2 Measure F12 and F14 in bal and unbal cond.
9	Tu	11/18	Engine Dynamics - Equivalent Masses - Inertia and Shaking Forces	Sects 14.4 - 5	14-8, 14-10
10	Th	11/20	Engine Dynamics Inertia and Shaking Torques and Couples - Flywheels	Sects 14.6 - 8	14-14, 14-18
11	F	11/21	Project 1 Due: Project 2 Assigned Discuss Project and Report Writing	Strunk & White - Report Specs Sect 14.11	PROJECT 1 DUE ! Start Proj. 2 !

			Week 5
*S	M	11/24	Engine Lab / Demo of Program Engine	Chap. 16 Tapes # 2282-4	work on Project
12	Tu	11/25	Pin Forces	14.9	Prog. Rep. #1 Due
			Thanskgiving Break

			Week 6
*S	M	12/1	Project Assistance and Discussion
13	Tu	12/2	Engine Balancing - Single Cylinder	Sect 14.10	Project
14	Th	12/4	Engine Balancing - Multi-Cylinder	Sects 15.0 - 6	Project
16	F	12/5	Engine Balancing - Vee Engines	Sects 15.7 - 9	Prog. Rep. #2 Due
			Week 7
*S	M	12/8	Lab Demo of Cam Test Machine in Vibrations lab HL 031		Exp # 3 - Test a cam and compare to theoretical
17	Tu	12/9	Dynamic Response - Resonance	Sects 17.3 - 4	17-16b
18	Th	12/11	Kinetostatic Force Analysis of the Cam-Follower System	Sects 17.5 - 10	Exp # 3
19	F	12/12	Program Dynacam		Prog. Rep. #3 Due
			Week 8
*S	M	12/15	Project Assistance and Discussion		Project
20	Tu	12/16	Project Assistance and Discussion		Project
21	Th	12/18	Project Assistance and Discussion		Project
22	F	12/19	Project Assistance and Discussion		PROJECT 2 DUE!

* All section meetings will be given in the computer classroom, Room HL230, and/or in the Vibrations Lab HL031 as noted.

GRADING: Project 1 30% (individual)
Project 2 30% (group)
Progress Reports 32 (group)
Homework 10% (individual)
Experiments 132 (group)
Design Notebook 10% (individual)
Notes: Homework and progress reports will not be accepted late.
Late projects will have grade reduced 5 points for each 24 hr day late including weekend days.
Homework assigned during each week is due the following Monday in class-section meeting.
All project work must be done in your Design Notebook, dated and signed on each numbered page.