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MEC3403 Dynamics II

Semester 2, 2013 External Toowoomba
Units : 1
Faculty or Section : Faculty of Engineering & Surveying
School or Department : Mechanical and Mechatronic Engineering
Version produced : 25 April 2014

Contents on this page

Staffing

Examiner: John Billingsley
Moderator: Chris Snook

Requisites

Pre-requisite: (MEC2401 and MAT2500) or Students must be enrolled in one of the following Programs: GCEN or GDET or METC or MEPR or GCNS or GDNS or MENS

Synopsis

A characteristic of mechanical engineering is that things move. Parts are subject to forces, causing them to accelerate. They impact on each other, the resulting impulses causing changes in momentum. Parts spin and must be balanced while gyroscopic forces operate. Vehicles in space are subject to gravitational fields and propulsive thrusts. Fluctuating forces cause vibrations that can have many modes that must be damped out.

The student of this advanced course must develop the ability to analyse all of these.
The ability to analyse comes with a cost. Motions, forces, moments and energy are all subject to mathematical equations, many of them of an advanced nature. In grasping the fundamentals, the student will come to grips with partial differentiation, vectors, operators, matrices and tensors. These skills are built up as understandable solutions to practical engineering problems, illustrated where possible by real-time simulations.

Objectives

The course objectives define the student learning outcomes for a course. On completion of this course, students should be able to:

  1. analyse the kinematics and kinetics of 3D rigid bodies;
  2. demonstrate an understanding of and apply equations to model the dynamic behaviours of engineering systems;
  3. construct and employ mathematical models of engineering systems to determine their dynamic characteristics;
  4. determine and assess the vibrational behaviour of systems of discrete bodies;
  5. demonstrate an understanding of and apply the principles of vibration theory, vibration measurements and control;
  6. apply commercially available software such as MATLab to analyse the dynamics of engineering systems.

Topics

Description Weighting(%)
1. Mathematical tools for analysis of dynamic systems 20.00
2. Rigid body kinematics 20.00
3. Rigid body kinetics 30.00
4. Theory of vibration of multi-degree of freedom systems 30.00

Text and materials required to be purchased or accessed

ALL textbooks and materials available to be purchased can be sourced from USQ's Online Bookshop (unless otherwise stated). (https://bookshop.usq.edu.au/bookweb/subject.cgi?year=2013&sem=02&subject1=MEC3403)

Please contact us for alternative purchase options from USQ Bookshop. (https://bookshop.usq.edu.au/contact/)

  • MATLAB, Prentice Hall.
    (Student Edition (Manual and CD).)

Reference materials

Reference materials are materials that, if accessed by students, may improve their knowledge and understanding of the material in the course and enrich their learning experience.
  • Balachandran, B & Magrab, EB 2009, Vibrations, Cengage Learning, Clifton Park, NY.
  • Hibbeler, RC 2010, Engineering Mechanics: Dynamics, 12th edn, Prentice Hall, London.
    (SI Version.)
  • Rao, SS 2011, Mechanical Vibrations, 5th edn, Prentice Hall, Upper Saddle River, NJ.
    (in SI units.)
  • Uicker, JJ, Pennock, GR & Shigley, JE 2011, Theory of Machines and Mechanisms, 4th edn, Oxford University Press, New York, NY.

Student workload requirements

Activity Hours
Assessments 30.00
Directed Study 39.00
Examinations 2.00
Private Study 84.00

Assessment details

Description Marks out of Wtg (%) Due Date Notes
ASSIGNMENT 1 100 10 05 Aug 2013
ASSIGNMENT 2 200 20 16 Sep 2013
2 HOUR OPEN EXAMINATION 700 70 End S2 (see note 1)

NOTES
  1. Student Administration will advise students of the dates of their examination during the semester.

Important assessment information

  1. Attendance requirements:
    There are no attendance requirements for this course. However, it is the students' responsibility to study all material provided to them or required to be accessed by them to maximise their chance of meeting the objectives of the course and to be informed of course-related activities and administration.

  2. Requirements for students to complete each assessment item satisfactorily:
    To satisfactorily complete an individual assessment item a student must achieve at least 50% of the marks or a grade of at least C-. (Depending upon the requirements in Statement 4 below, students may not have to satisfactorily complete each assessment item to receive a passing grade in this course.)

  3. Penalties for late submission of required work:
    If students submit assignments after the due date without (prior) approval of the examiner then a penalty of 5% of the total marks gained by the student for the assignment may apply for each working day late up to ten working days at which time a mark of zero may be recorded.. No assignments will be accepted after model answers have been posted.

  4. Requirements for student to be awarded a passing grade in the course:
    To be assured of receiving a passing grade in a course a student must obtain at least 50% of the total weighted marks for the course.

  5. Method used to combine assessment results to attain final grade:
    The final grades for students will be assigned on the basis of the weighted aggregate of the marks (or grades) obtained for each of the summative assessment items in the course.

  6. Examination information:
    In an Open Examination, candidates may have access to any material during the examination except the following: electronic communication devices, bulky materials, devices requiring mains power and material likely to disturb other students.

  7. Examination period when Deferred/Supplementary examinations will be held:
    Any Deferred or Supplementary examinations for this course will be held during the examination period at the end of the semester of the next offering of this course.

  8. University Student Policies:
    Students should read the USQ policies: Definitions, Assessment and Student Academic Misconduct to avoid actions which might contravene University policies and practices. These policies can be found at http://policy.usq.edu.au.

Assessment notes

  1. The due date for an assignment is the date by which a student must despatch the assignment to the USQ. The onus is on the student to provide proof of the despatch date, if requested by the Examiner.

  2. Students must retain a copy of each item submitted for assessment. This must be despatched to USQ within 24 hours if required by the Examiner.

  3. In accordance with University Policy, the Examiner may grant an extension of the due date of an assignment in extenuating circumstances.

  4. If electronic submission of assessments is specified for this course. Students will be notified of this in the course Introductory Book and on the USQ Study Desk. All required electronic submission must be made through the Assignment Drop Box located on the USQ Study Desk for the course, unless directed otherwise by the examiner of the course. The due date for an electronically submitted assessment is the date by which a student must electronically submit the assignment. The assignment files must be submitted by 11.55pm on the due date using USQ time (as displayed on the clock on the course home page; that is, Australian Eastern Standard Time).

  5. If the method of assessment submission is by written, typed or printed paper-based media students should (i) submit to the Faculty Office for students enrolled in the course in the on-campus mode, or (ii) mail to the USQ for students enrolled in the course in the external mode. The due date for the assessment is the date by which a student must (i) submit the assessment for students enrolled in the on-campus mode, or (ii) mail the assessment for students enrolled in the external mode.

  6. The Faculty will NOT normally accept submission of assessments by facsimile or email.

  7. Students who do not have regular access to postal services for the submission of paper-based assessments, or regular access to Internet services for electronic submission, or are otherwise disadvantaged by these regulations may be given special consideration. They should contact the examiner of the course to negotiate such special arrangements prior to the submission date.

  8. Students who have undertaken all of the required assessments in a course but who have failed to meet some of the specified objectives of a course within the normally prescribed time may be awarded one of the temporary grades: IM (Incomplete - Make up), IS (Incomplete - Supplementary Examination) or ISM (Incomplete -Supplementary Examination and Make up). A temporary grade will only be awarded when, in the opinion of the examiner, a student will be able to achieve the remaining objectives of the course after a period of non directed personal study.

  9. Students who, for medical, family/personal, or employment-related reasons, are unable to complete an assignment or to sit for an examination at the scheduled time may apply to defer an assessment in a course. Such a request must be accompanied by appropriate supporting documentation. One of the following temporary grades may be awarded IDS (Incomplete - Deferred Examination; IDM (Incomplete Deferred Make-up); IDB (Incomplete - Both Deferred Examination and Deferred Make-up).

  10. Harvard (AGPS) is the referencing system required in this course. Students should use Harvard (AGPS) style in their assignments to format details of the information sources they have cited in their work. The Harvard (AGPS) style to be used is defined by the USQ Library's referencing guide.
    http://www.usq.edu.au/library/referencing

Other requirements

  1. Students will require access to e-mail and internet access to UConnect for this course.