ENGME251-21B (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)

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
: debby.dada@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 including single, two and multi-degree of freedom systems. Forced vibrations is also covered.

Lectures will be held at the designated rooms below. There will be two workshops/Tutorials where the students will be taken through the lab exercises and some tutorial problems. Lecture notes and Panopto recordings of each lecture will be made available after each lecture.

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Paper Structure

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There will be 3 lectures/week which the students are to attend and 1 workshop/week. There will be two workshop streams, one on Mondays at 10-12 noon and the second stream on Thursdays from 12-2 pm and the students will be allowed to select and choose the stream they would like to attend.

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 assignments 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.

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Learning Outcomes

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Students who successfully complete the paper should be able to:

  • To solve single and two DOF free vibration and forced vibration problems
    Linked to the following assessments:
  • Solve problems involving relative velocity and acceleration of rigid bodies
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  • Calculate the acceleration (translational/rotational) or the actions (forces/moments) in a moving rigid body using Newton's laws
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  • Solve problems involving motion of a rigid body along a path using the work-energy equations.
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  • Solve problems involving the motion of rigid body using impulse-momentum equations.
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  • Solve free vibration and forced vibration problem.
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  • Explain the stability of a vibration system.
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  • Analyze 2 degree of freedom free vibration system.
    Linked to the following assessments:
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Assessment

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The assessment of this paper comprises one assignment, three lab reports and four tests. There is NO final examination.

All tests 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 and all questions should be attempted.

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Assessment Components

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The internal assessment/exam ratio (as stated in the University Calendar) is 50:50. There is no final exam. The final exam makes up 50% of the overall mark.

The internal assessment/exam ratio (as stated in the University Calendar) is 50:50 or 0:0, whichever is more favourable for the student. The final exam makes up either 50% or 0% of the overall mark.

Component DescriptionDue Date TimePercentage of overall markSubmission MethodCompulsory
1. Lab report 1 - Four bar mechanism
30 Jul 2021
5:00 PM
7.5
  • Online: Submit through Moodle
2. Lab report 2 - Slider-crank mechanism
13 Aug 2021
5:00 PM
7.5
  • Online: Submit through Moodle
3. Test 1 (the test starts at 10:00)
17 Aug 2021
2:00 PM
10
  • Hand-in: In Tutorial
  • Online: Submit through Moodle
4. Lab report 3 - Spring-mass system
17 Sep 2021
5:00 PM
7.5
  • Online: Submit through Moodle
5. Test 2 (the test starts at 10:00)
28 Sep 2021
2:00 PM
10
  • Hand-in: In Tutorial
  • Online: Submit through Moodle
6. Assignment 1
15 Oct 2021
5:00 PM
7.5
  • Online: Submit through Moodle
7. Exam
50
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 36;

Workshops/Laboratories 22;.

Test 2x 1 hour per test = 2

Sub-total 60

Non-contact hours:

Preparation for, and work after laboratory sessions, 15;

Revision after lectures and preparation for tutorials 40;

assignment: 5 ;

Preparation for tests :30;

Sub-total 90

Overall total 150.

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Linkages to Other Papers

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Prerequisite(s)

Prerequisites: ENGEN110 or ENGG110

Corequisite(s)

Equivalent(s)

Restriction(s)

Restricted papers: ENME351

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