MECE250

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MEC E 250 LEC A1, Seminar E1 Engineering Mechanics II - Dynamics

September - December 2011

Lecture (A1): MWF 8:00 – 8:50 NRE 1 001

Seminar (E1): M 14:00 – 14:50 ETLC 1-017

Instructor: Dr.-Ing. Reinhard Vehring, PEng

Office: MEC 5-1G, Tel: 492- 5180

E-mail: [email protected]

Office Hour: Monday, 15:00 – 16:00, or by appointment.

Teaching Assistant: Ted Fill, MecE 6-23. Biomedical and composite materials lab.

Office hour: Tuesday 14:00 – 15:00

[email protected], Tel: 492 - 7476

Textbook: R. C. Hibbeler, Engineering Mechanics – Dynamics.

12th

Edition, Pearson Prentice Hall, 2010. ISBN 0-13-607791-9.

Course Outline: Hibbeler, Chapters 16 - 22. See lecture schedule for details.

Course material: Available on eClass:

https://vista4.srv.ualberta.ca/webct/logon/1587267491041

Examinations: Examinations are common to all sections and open-book.

Only the textbook and a formula sheet are allowed. Only

approved non-programmable calculators are permitted.

Examples of representative evaluative course material will be

posted on eClass.

Midterm Examination: Thursday, October 27, 2011,

(19:00 – 21:00, ETLC 1-003 & 1-007).Final Examination: Saturday, December 10, 2011,

(14:00 – 17:00, location to be announced)

Assignments: 12 assignments. Please, see assignment list for details and dates.

Seminars: Problem solving sessions, worked examples.

Please, see seminar information for details.

Please, bring your textbook to the seminars.

mailto:[email protected]






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Final assessment: Assignments (best 10 of 12) 15%

Midterm examination 30%

Final examination 55%

No marks will be given for class participation or in-class

activities.

Note: If you miss the midterm examination for any valid

reason, your final course assessment will be based on an 85%

weight of the final examination.

The course components will be marked as a percentage of total

points available and added up according to the weight listed

above. The final percentage will be used to determine the

appropriate letter grade based on a combination of absoluteachievement and relative performance in all MecE 250 sections.

Regulations: Policy about course outlines can be found in $23.4(2) of the

University Calendar

The University of Alberta is committed to the highest standards

of academic integrity and honesty. Students are expected to be

familiar with these standards regarding academic honesty and to

uphold the policies of the University in this respect. Students are particularly urged to familiarize themselves with the provisions

of the Code of Student Behaviour (online at

www.uofaweb.ualberta.ca/secretariat/studentappeals.cfm) and

avoid any behaviour which could potentially result in suspicions

of cheating, plagiarism, misrepresentation of facts or

participation in an offence. Academic dishonesty is a serious

offence and can result in suspension or expulsion from the

University.

Recording of lectures is permitted only with the prior written

consent of the professor.

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Tentative Lecture Schedule

Dates Topic Section

Kinematics

September 7, 9 Review / Intro/ Vector algebra R1

September 12, 14, 16 Rigid body motion / Translation /

Rotation about a fixed axis or fixed

point

16.1-3,

20.1

September 19, 21, 23 Relative motion analysis, velocity/

Instantaneous centre of zero velocity /

Time derivatives of vectors

16.5-6

20.2

September 26, 28, 30 Relative motion analysis, acceleration/ Spatial general motion 16.7, 20.3

October 3, 5, 7 Relative motion analysis, rotating

axes

16.8, 20.4

October 12, 14 Absolute motion analysis 16.4

October 17, 19, 21 Moments and products of inertia 17.1, 21.1

October 24, 26, 28 Kinetic equations of motion /

Newton’s law

17.2-5

October 27 Midterm Examination (Kinematics)

Kinetics & Vibrations

October 1, November 2, 4 Linear and angular momentum 19.1, 21.2

November 7, 9 Principle of impulse and momentum /

Conservation of momentum

19.2-3

November 14, 16, 18 Impact / Spatial equations of motion 19.4, 21.4

November 21, 23, 25 Work and energy 18.1-3,

21.3

November 28, 30 December 2 Principle of work and energy /

Conservation of energy

18.4-5

December 5, 7 Free vibration 22.1

December 10 Final Examination

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MEC E 250 ASSIGNMENTS

Assignments are due every Wednesday at 4 PM.

No late assignments will be accepted for any reason. Only the best 10 of 12assignments will be used to account for any unforeseen circumstances that may prevent

timely submission of an assignment. Assignment must be submitted in the assignment

box (4th floor MEC).

Full solutions will be posted on the course web-page. Assignment questions reflect the

standard of the examination. Consider them carefully!

Assign-

ment #

Date Due Questions are taken from Hibbeler 12th

edition

1 Sep 14 R1-4, R1-8, R1-12, R1-16, R1-24, R1-40.

2 Sep 21 16-2, 16-5, 16-12, 16-29,

20-2 (Angular velocity only),

20-19 (Velocity only).

3 Sep 28 16-67, 16-68, 16-69, 16-92, 16-101,

20-5 (Angular velocity only).

4 Oct 5 16-20, 16-35, 16-110, 16-112, 16-125, 16-129

5 Oct 12 16-138, 16-143, 16-157, 16-159, 20-4, 20-11

6 Oct 19 Use absolute motion analysis for 16-36, 16-

43, and 16-51. 17-12, 17-15, 21-11.

No assignment due in midterm week

7 Nov 2 17-34, 17-52, 17-59, 17-70, 21-9,

21-39 (Angular momentum only)

8 Nov 9 17-94, 17-107, 17-117, 19-8, 19-16, 19-24

9 Nov 16 19-42, 19-44, 21-35, 21-48, 21-51, 21-56

10 Nov 23 19-52, 18-4, 18-15, 18-22, 18-30, 21-30

11 Nov 30 18-44, 18-50, 18-53, 18-60, 21-36

12 Dec 7 19-48, 21-25, 21-37, 22-2, 22-20

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WRITING ASSIGNMENT SOLUTIONS

Assignments are not only exercises in solving problems; they are also exercises in

developing clear, logical and concise written presentation skills. Consequently,

assignment solutions must follow the following format rules:

a) Solutions must be written neatly, clearly demonstrating the methods and

arguments used to arrive at the final answers.

b) Final answers must be identified clearly, e.g. circled, boxed, or underlined.

c) Any diagrams must be large and clear. It is recommended that diagrams occupy

at least a third of a page.

Graders will be instructed to assign a mark of zero to any solution which does not

meet these requirements.

Don’t forget to put your name, ID, assignment number and date on the assignment

solution.

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MEC E 250 SEMINAR E1

Objective of the Seminars:

To focus on application of the theory to solve examination level problems.

In the Seminar

In each seminar, the instructor or teaching assistant will show how to solve selected problems. Forsome questions the approach to solving them may be discussed, but the solution may not be written

out in detail.

Before the Seminar Please review the current lecture material before the corresponding seminar and make sure you are

up to date with the key equations. Please bring your textbook, formula sheet, and a calculator to

every seminar.

After the Seminar

The seminar problems are chosen specifically to supplement the assignments with the intent of

preparing you for examination-standard questions. Full solutions to all of the seminar problems will be posted on eClass.

Seminar Schedule

Seminar # Date:

Monday:

1 September 12

2 September 19

3 September 26

4 October 3

No seminar October 10 (Thanksgiving).

5 October 17

6 October 24

7 October 31

8 November 7

9 November 14

10 November 21

11 November 28

No seminar in last week of term

Documents

MECE250