ENGME251-19B (HAM)

Dynamics and Vibration

15 Points

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Division of Health Engineering Computing & Science
School of Engineering

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Convenor(s)

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: debby.dada@waikato.ac.nz

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Paper Description

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This paper covers the dynamics of rigid bodies and fundamentals of vibrations

It deals with the 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 in this paper. The theory is applied to the design of mechanical components.

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Paper Structure

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This paper is taught through lectures, tutorials and laboratory sessions.
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Learning Outcomes

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Students who successfully complete the course should be able to:

  • To solve single and two DOF free vibration and forced vibration probelems
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  • 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.
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Assessment

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The assessment of this paper comprises two assignments, two tests, two labs reports and a final examination.

The tests and exam are restricted open book (4 sides of two A4 paper with hand written notes) and students must attempt all questions.

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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. Assignment 1
31 Jul 2019
5:00 PM
5
  • Hand-in: In Lecture
2. Assignment 2
25 Sep 2019
5:00 PM
5
  • Hand-in: In Lecture
3. Test 1
14 Aug 2019
2:00 PM
15
  • Hand-in: In Lecture
4. test 2
9 Oct 2019
2:00 PM
15
  • Hand-in: In Lecture
5. Lab reports
10
  • Hand-in: Assignment Box
6. 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 Engineering Design, J.E.Shigley and C.R.Mischke, McGraw Hill, 2003.

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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 of lecture notes and assessment materials.

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Workload

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Contact Hours:

Lectures 24;

Tutorials 12;

Laboratories: 2 labs x 2 hours per lab = 4. Exam: 3 Total 43
Non-contact hours:

Preparation for, and work after laboratory sessions, 8;

Revision after lectures and preparation for tutorials 46;

assignment: 8 ;

Preparation for tests :30;

preparation for exam: 15.

Total 107.

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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