Units

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Sample subject outline - Semester 2 2013

Note: Subject outlines often change before the semester begins. Below is a sample outline.

Rationale

Mechanical Design forms the backbone of an Mechanical Engineering Degree. This unit is an introduction into Mechanical Design. It brings together fundamental engineering units such as Applied Mechanics, Mechanics of Solids, Fluid Mechanics and Materials Study and is a common unit for students studying Mechanical Engineering, Biomedical Engineering and Infomechatronics. It is offered in the second Semester of the second year and develops systematic knowledge and practice of methods of creative solving of engineering problems, design procedures and some mechanical components design. It lays the basis for advanced study in Mechanical Design.

Aims

The aim of this unit is to introduce you into the field of engineering design, to equip you with methods of creative solving of engineering problems and concept development, develop your understanding of design procedures and some hands-on mechanical component design as well design documentation.

Objectives

On completion of this unit you should be able to:
1.Use different creative problem solving methods and tools for design concept development.
2.Develop computational schemes of mechanical components and apply computational methods for stress calculation.
3.Carry out kinematic and force calculations in gear train, shaft design and bearing selection.
4.Develop basic design documentation such as project report and hand drawing.

Content

1.Introduction to mechanical design. Design procedure.
2.System and functional approach to design. Design for sustainability. Universal design.
3.Concept development in design. Review of problem solving methodologies. Best concept selection.
4.Ideation / TRIZ methodology, IWB software.
5.Detail design. Fits & limits. Surface texture.
6.Load analysis in design. FBD. Beams.
7.Computational scheme in design. Modelling and simulation in design.
8.Design for strength (review of stress computations for different loading combinations).
9.Introduction to fatigue.
10.Determination of forces in gear trains.
11.Shaft design.
12.Rolling bearing selection.
13.Sliding bearing design.
14.Design-and-build Project.

Approaches to Teaching and Learning

Hours per week: 5
Lecture: 2
Tutorial: 2
Drawing classes: 1

Learning approaches will cover the following: Formal lecture sessions will cover the theory and illustrate some practical applications of mechanical design. Additional learning will be achieved by reading the course notes and reference material. Tutorial exercises will assist you to relate theory to practice and you will get feedback on selected work handed in and audited to check your progress. Worked solutions will be made available progressively during tutorials and on the Design Blackboard-site. Lectures and tutorials will be supplemented by drawing classes where you will acquire hand-drawing skills. You will work individually as well as in groups. For example, in a small group (of up to 3 students), you will be given an assembly drawing and each student by the end of the semester has to submit a hand drawing for one of the parts of the assembly. Assessments will simulate real design problems and in many cases will require communication with other students, e.g. during brainstorming sessions. Assessments are designed to strengthen understanding of the basic concepts and techniques and to develop skills in definition and solution of real design problems. An essential part of the unit is the Design-and builds Project where you will work in teams of 4 to 5 to design and build a device that carries out a certain task. Class work will be supplemented with self-study using Design Blackboard where different teaching and learning resources for flexible delivery are available online.

Assessment

Assessment will include a range of problem solving tasks, hand-drawing assignments, the Design and build competition project/report and a final exam.You will receive ongoing feedback throughout the semester through peer, team and tutor discussions in and outside class. You will also have the opportunity to receive feedback through written comments on your written problem solving tasks and project report. Oral feedback will be given after marking of each assessment item or after the brainstorming session with analysis of typical errors.

Formative Assessment
You will get opportunity to practice and reflect on a range of marked assessment tasks and project reports as well as on unmarked in-class activities that will be checked and feedback given by a tutor as required.

Assessment name: Problem Solving Task
Description: 1.Develop computational schemes and plot shear forces, bending moments and longitudinal forces diagrams for real components and devices.
2.Develop a part drawing from an assembly drawing given to a group of students. The mark for the part drawing will be counted towards the final mark only if all in-class exercises are checked and ticked by a tutor.
Relates to objectives: -Develop computational schemes of mechanical components and apply computational methods for stress calculation.
-Develop basic design documentation such as project report and hand drawing.
Weight: 20%
Internal or external: Internal
Group or individual: Individual
Due date: Wk 10 & End of Sem

Assessment name: Project (applied)
Description: 1. In a group of up to five students design and build a device that performs a task according to a problem statement and present it for a competition.
2. Write a team report.
Relates to objectives: Learning outcomes Ns. 1, 2, 3, and 4. During competition a panel of three judges will assess the originality of the concept, design and built quality of the device, and will calculate the performance score. After competition a tutor will mark the project report, which includes minutes of problem solving sessions, design calculations, description of the device, engineering drawings of the device. Each assessment item of the project has a weighing factor according to the marking scheme.
Weight: 30%
Internal or external: Internal
Group or individual: Group
Due date: End of semester

Assessment name: Examination (Theory)
Description: Examination is a mixture of problem solving and computational techniques learned in class and working on the project.
Relates to objectives: 1,2 & 3
Weight: 50%
Internal or external: Internal
Group or individual: Individual
Due date: Examination Period

Academic Honesty

QUT is committed to maintaining high academic standards to protect the value of its qualifications. To assist you in assuring the academic integrity of your assessment you are encouraged to make use of the support materials and services available to help you consider and check your assessment items. Important information about the university's approach to academic integrity of assessment is on your unit Blackboard site.

A breach of academic integrity is regarded as Student Misconduct and can lead to the imposition of penalties.

Resource materials

Type: Course notes
Author: Assoc. Prof. Vladis Kosse (Available from the Blackboard site for ENB215 unit).

Type: Tutorial handouts
Author: Assoc. Prof. Vladis Kosse (Available from the Blackboard site for ENB215 unit).

Type: Drawing exercises.
Author: Assoc. Prof. Vladis Kosse (Available from the Blackboard site for ENB215 unit).

Australian Drawing and Design standards (Available online from QUT library).

Additional recommended literature

Kosse, V. Solving problems with TRIZ - an exercise handbook. Ideation Int. Inc., USA 1999 and 2004 (Available from QUT library)

Boundy, A. W. Engineering drawing, 6-th edition. McGraw Hill Australia, 2002 (Available from book shops).

Risk assessment statement

You will undertake lectures, tutorials and hand-drawing classes in traditional classrooms and lecture theatres. As such, there are no extraordinary workplace health and safety issues associated with these components of the unit.

The device for the Design and Build Competition you will build at home. You have to take conscious approach not to injure yourself using different tools such as scissors, knives, drills, etc.

The Design and Build Competition will take in one of the SEF Faculty laboratories where enclosed foot ware is required (students provide themselves).

You will undergo a health and safety induction before the commencement of the academic year and will be issued with a safety induction card. If you do not have a safety induction card you will be denied access to laboratories.

Disclaimer - Offer of some units is subject to viability, and information in these Unit Outlines is subject to change prior to commencement of semester.

Last modified: 15-May-2012