ENGME251-22B (HAM)

Dynamics and Vibration

15 Points

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Division of Health Engineering Computing & Science
School of Engineering

Staff

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Convenor(s)

Harish Devaraj

Harish Devaraj
4292
F.G.06C
See Moodle
harish.devaraj@waikato.ac.nz

Lecturer(s)

Administrator(s)

: mary.dalbeth@waikato.ac.nz
: natalie.shaw@waikato.ac.nz

Placement/WIL Coordinator(s)

Tutor(s)

Student Representative(s)

Lab Technician(s)

Librarian(s)

: cheryl.ward@waikato.ac.nz

You can contact staff by:

  • Calling +64 7 838 4466 select option 1, then enter the extension.
  • Extensions starting with 4, 5, 9 or 3 can also be direct dialled:
    • For extensions starting with 4: dial +64 7 838 extension.
    • For extensions starting with 5: dial +64 7 858 extension.
    • For extensions starting with 9: dial +64 7 837 extension.
    • For extensions starting with 3: dial +64 7 2620 + the last 3 digits of the extension e.g. 3123 = +64 7 262 0123.
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Paper Description

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Following topics are included in this paper: concepts of forces, moments, equilibrium, free body diagrams, Newton’s laws, work, energy, impulse, momentum of a rigid body and fundamental vibration systems. Forced vibrations is also covered.

The learning outcomes for this paper are linked to Washington Accord graduate attributes WA1-WA11. Explanation of the graduate attributes can be found at: https://www.ieagreements.org/assets/Uploads/Documents/IEA-Graduate-Attributes-and-Professional-Competencies-2021.1-Sept-2021.pdf

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Paper Structure

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Lectures will be held at the rooms designated below.

There will be 2 lectures/week & 1 tutorial/week that needs to be attended. There will be two tutorial streams and the students will be allowed to select and choose the stream they would like to attend.

There are labs on Thursdays where you will be completing 3 tasks and an additional assignment problem with each assessment taking a time of 2 weeks to complete. Solidworks and MATLAB are two major software for the lab sessions. Students should have access to these software (links will be made available).

In total, 3 lab reports and 1 assignment will need to submitted. There will be a penalty of 5% for each day after the deadline has passed. No more than 5 day-late submissions will be allowed, except for under special circumstances for which approval has been given by the paper convener.

Lecture notes and Panopto recordings of each lecture will only be made available after each lecture & tutorial.

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Learning Outcomes

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Students who successfully complete the paper should be able to:

  • Analyze kinematics and kinetics of various systems of rigid bodies with relative motion analysis, momentum and energy principles (WA1,WA11)
    Apply knowledge of fundamental engineering dynamics to solve real world analogue problems and develop ability for independent life-long learning and critical thinking. (WA1, WA11)
    Linked to the following assessments:
    • Test 1 (in lecture slot) (3)
    • Test 2 (in lecture slot) (5)
    • Exam (7)
  • Identify vibrational response of single degree of freedom system undergoing forced/free vibrations in damped/undamped conditions using equations of motion (WA1, WA11)
    Linked to the following assessments:
    • Test 1 (in lecture slot) (3)
    • Test 2 (in lecture slot) (5)
    • Assignment 1 (6)
    • Exam (7)
  • Analyze the dynamic behavior of various 2-DOF rigid body systems using CAD and CAE tools (WA5, WA9, WA10)
    Communicate effectively, the understanding of the complex engineering problems and manage activities to ensure timely output deliveries (WA5, WA9, WA10)
    Linked to the following assessments:
    • Lab report 1 - Four bar mechanism (1)
    • Lab report 2 - Slider-crank mechanism (2)
    • Lab report 3 - Spring-mass system (4)
  • Use fundamental knowledge of rigid body dynamics to report on differences between theoretical and numerical analysis approaches (WA2, WA4)

    Formulate and conduct investigation of complex engineering problems to reach conclusions using first principles of engineering dynamics and provide valid conclusions (WA2, WA4)

    Linked to the following assessments:
    • Lab report 1 - Four bar mechanism (1)
    • Lab report 2 - Slider-crank mechanism (2)
    • Lab report 3 - Spring-mass system (4)
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Assessment

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The assessment of this paper comprises one assignment, three lab reports and 2 tests and a Final examination.

All tests and exam are compulsory.

Students must submit an "Extension of Deadline/Special Consideration form" if they cannot attend these tests. Otherwise, these tests will be considered as "Failing to complete" and results in an IC grade.

The tests are open book while the exam is not.

Samples of your work may be required as part of the Engineering New Zealand accreditation process for BE(Hons) degrees. Any samples taken will have the student name and ID redacted. If you do not want samples of your work collected then please email the engineering administrator, Natalie Shaw (natalie.shaw@waikato.ac.nz), to opt out.

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Assessment Components

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The internal assessment/exam ratio (as stated in the University Calendar) is 70:30. There is no final exam. The final exam makes up 30% of the overall mark.

The internal assessment/exam ratio (as stated in the University Calendar) is 70:30 or 0:0, whichever is more favourable for the student. The final exam makes up either 30% or 0% of the overall mark.

Component DescriptionDue Date TimePercentage of overall markSubmission MethodCompulsory
1. Lab report 1 - Four bar mechanism
25 Aug 2022
5:00 PM
7.5
  • Online: Submit through Moodle
2. Lab report 2 - Slider-crank mechanism
15 Sep 2022
5:00 PM
7.5
  • Online: Submit through Moodle
3. Test 1 (in lecture slot)
24 Aug 2022
2:00 PM
10
  • Hand-in: In Lecture
✔
4. Lab report 3 - Spring-mass system
29 Sep 2022
5:00 PM
7.5
  • Online: Submit through Moodle
5. Test 2 (in lecture slot)
19 Oct 2022
2:00 PM
30
  • Hand-in: In Lecture
✔
6. Assignment 1
13 Oct 2022
5:00 PM
7.5
  • Online: Submit through Moodle
7. Exam
30
✔
Assessment Total:     100    
Failing to complete a compulsory assessment component of a paper will result in an IC grade
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Required and Recommended Readings

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Required Readings

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Mechanics for Engineers: Dynamics, R. C. Hibbeler and Kai Beng Yap, 13th Edition (S.I. version) Pearson.

Mechanical Vibrations, Singiresu (S.I. version) Pearson.
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Recommended Readings

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Mechanical Vibrations : Theory and Applications by S. G. Kelly, Cengage.

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Online Support

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This paper has a Moodle page (http://elearn.waikato.ac.nz) where you will be able to access PPT’s, lecture notes and assessment materials.

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Workload

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Contact Hours:

Lectures 24 hrs;

Tutorials 12 (in 2 streams) hrs.

Labs : 12 hrs

Test 2x 1 hour per test = 2

Sub-total : 50

Non-contact hours:

Preparation for, and work after laboratory sessions, 30;

Revision after lectures and preparation for tutorials, 30;

Assignment: 10 ;

Preparation for tests :30;

Sub-total 100

Overall total 150.

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Linkages to Other Papers

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Prerequisite(s)

Prerequisites: ENGEN110 and it is strongly recommended that you have one of ENGEN101 or MATHS101 or ENGEN184 as well.

Corequisite(s)

Equivalent(s)

Restriction(s)

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