MECH ENG 7067 - Aerospace Materials & Structures
North Terrace Campus - Semester 1 - 2017
General Course Information
Course Code MECH ENG 7067 Course Aerospace Materials & Structures Coordinating Unit School of Mechanical Engineering Term Semester 1 Level Postgraduate Coursework Location/s North Terrace Campus Units 3 Contact Up to 5 hours per week Available for Study Abroad and Exchange Y Assumed Knowledge CHEM ENG 1009, MECH ENG 2002, MATHS 2202 Course Description This course teaches the fundamentals for the analysis of materials and structures in engineering with a specific focus on aircraft and space structures. The lectures are split into two parallel modules: Solid Mechanics and Materials and Structures. The Solid Mechanics module covers general material relating to the analysis of stresses, strains, deformation, and strength in solid materials and simple components. Specific topics include stress and strain tensors, elasticity, plasticity, elementary solutions of theories of elasticity and plasticity, principles of minimum potential energy, and finite element modelling. The second module, Materials and Structures is focused on the application of material and structural design to aerospace components and structures. Topics covered include composite materials and mechanics, unsymmetric sections, and analysis of skinned structures.
Course Coordinator: Dr John Codrington
Name Role Building/Room
Dr John Codrington
Course Co-ordinator Engineering South Building, S209 firstname.lastname@example.org A/Prof Andrei Kotousov Lecturer for Solid Mechanics Engineering South Building, S207 email@example.com
Lecturers for Materials & Structures TBA A/Prof Reza Ghomashchi Lecturers for Materials & Structures Engineering South Building, S120 firstname.lastname@example.org
For matters relating to course material or assessment from a specific module, please contact the appropriate lecturer. For general course enquiries, please contact the course co-ordinator.
The full timetable of all activities for this course can be accessed from Course Planner.
Course Learning OutcomesOn successful completion of this course students will be able to:
1 Have a good understanding the theory, concepts, principles and governing equations of solid mechanics; 2 Be gaining the physical intuition necessary to idealize a complicated practical problem; 3 Possess the contemporary analytical, experimental and computational tools needed to solve the idealized problem; 4 Have acquired the independent judgment required to interpret the results of these solutions; 5 Be able to use these solutions to guide a corresponding design, manufacture, or failure analysis; 6 Have an understanding of the selection, design and stress analysis of composite materials; 7 Possess the ability to analysis the stresses in simple structures as used in the aerospace industry; 8 Further develop interpersonal understanding, teamwork and communication skills working on group assignments; and 9 Be able to learn independently new solutions, principles and methods, read and understand professional articles on the subject.
The above course learning outcomes are aligned with the Engineers Australia Stage 1 Competency Standard for the Professional Engineer.
The course is designed to develop the following Elements of Competency: 1.1 1.2 1.3 1.4 1.5 2.1 2.2 2.3 2.4 3.1 3.2 3.3 3.4 3.5 3.6
University Graduate Attributes
This course will provide students with an opportunity to develop the Graduate Attribute(s) specified below:
University Graduate Attribute Course Learning Outcome(s) Deep discipline knowledge
- informed and infused by cutting edge research, scaffolded throughout their program of studies
- acquired from personal interaction with research active educators, from year 1
- accredited or validated against national or international standards (for relevant programs)
1-7 Critical thinking and problem solving
- steeped in research methods and rigor
- based on empirical evidence and the scientific approach to knowledge development
- demonstrated through appropriate and relevant assessment
2-5,8-9 Teamwork and communication skills
- developed from, with, and via the SGDE
- honed through assessment and practice throughout the program of studies
- encouraged and valued in all aspects of learning
8-9 Career and leadership readiness
- technology savvy
- professional and, where relevant, fully accredited
- forward thinking and well informed
- tested and validated by work based experiences
8-9 Intercultural and ethical competency
- adept at operating in other cultures
- comfortable with different nationalities and social contexts
- able to determine and contribute to desirable social outcomes
- demonstrated by study abroad or with an understanding of indigenous knowledges
8 Self-awareness and emotional intelligence
- a capacity for self-reflection and a willingness to engage in self-appraisal
- open to objective and constructive feedback from supervisors and peers
- able to negotiate difficult social situations, defuse conflict and engage positively in purposeful debate
Printed Lecture Notes from the Image & Copy Centre (or online via MyUni), and access to MyUni.
Recommended ResourcesRecommended Reading for the Solid Mechanics module:
- Ugural, A.C. and Fenster, S.K. Advanced Strength and Applied Elasticity, Pearson Education Inc. 1995.
- Cook, R.D. and Young, W.C., Advanced Mechanics of Materials, Prentice-Hall, Inc., 1999.
- Bower, A.F., Advanced Mechanics of Solids at Brown University, US (web-based lecture notes).
- Moaveni, S. Finite element analysis: theory and application with ANSYS, Upper Saddle River, NJ: Pearson Prentice Hall, 2008.
- Megson, T.H.G., Aircraft Structures for Engineering Students, Butterworth-Heinemann, 2007.
- Chawla, K. K., Composite Materials-Science and Engineering, Springer, 2nd ed, 1998.
- Curtis, H.D. Fundamentals of Aircraft Structural Analysis, McGraw-Hill, 2002.
- Askeland, D.R. The Science and Engineering of Materials 3rd SI Edition, Chapman and Hall 1999.
- Callister W.D., Materials Science and Engineering An Introduction, 7ed, Wiley, 2007.
All course material plus additional resources will be available through the MyUni system.
Learning & Teaching Activities
Learning & Teaching Modes
Lectures are supported by problem-solving tutorials developing material covered in lectures, FE tutorials and Lab classes.
The information below is provided as a guide to assist students in engaging appropriately with the course requirements.
The required time commitment is 52 hours attendance at lectures and tutorials, approximately 50 hours of revising course material and 40 hours completing assignments.
Learning Activities Summary
Module I. Solid Mechanics (A/Prof Andrei Kotousov)1. INTRODUCTION AND REVIEW (5%)
- Course organization and policies
- Finite Element Project
- Stress at a point
- Principal stresses and principal directions
- Equilibrium equations
- Stress transformation equations
- Strain-displacement equations
- Normal, shear and volumetric strain
- Compatibility equations
- Stress-Strain curve
- Strain hardening, plasticity and visco-elasticity
- Generalized Hooke's law
- Interpretation of elastic constants
- Solid Mechanics in Engineering Design
- Fundamental principles of analysis
- General solution for axisymmetric problems
- Shrink-fit theory and compound cylinders
- Spinning disks
- Elementary models of the theory of plasticity
- Plasticity action in pressurized cylinder
- Residual stresses
- Plasticity action in spinning disks
- Crack tip fields
- Linear Fracture Mechanics
- Fracture Toughness
- Fracture-Safe design concept
CATCHUP AND REVISION (Time permitting)
Module II. Materials & Structures1-6. COMPOSITE MATERIALS (A/Prof Reza Ghomashchi)
- Fibre reinforced
- Principles of reinforcement
- Mechanical properties
- Manufacturing routes
- Other composites
- Introduction to aerospace structures
- Bending of unsymmetrical beams
- Shear of thin-walled beams
- Torsional theory of thin-walled sections
- Idealised thin-walled sections
- Stiffened shear panels
- Shear flow analysis for a skin cutout
- Thin-plate structural stability
- Mechanics of composites
Specific Course Requirements
The University's policy on Assessment for Coursework Programs is based on the following four principles:
- Assessment must encourage and reinforce learning.
- Assessment must enable robust and fair judgements about student performance.
- Assessment practices must be fair and equitable to students and give them the opportunity to demonstrate what they have learned.
- Assessment must maintain academic standards.
Assessment Task Weighting (%) Individual/ Group Formative/ Summative Due (week)* Hurdle criteria Learning outcomes Assignments 15 Individual Summative Weeks 5,9,11 1. 2. 3. 4. 5. 6. 7. 9. Laboratory classes 5 Individual Summative Week 12 1. 3. 4. 8. 9. Tutorial 5 Individual Summative Week 6 1. 2. 3. 4. 6. 7. 8. Quizzes 5 Individual Summative Weeks 1-12 1. 3. 4. Exam 70 Individual Summative Exam week 1. 2. 3. 4. 5. 6. 7. Total 100
This assessment breakdown complies with the University's Assessment for Coursework Programs Policy.
Assessment Related Requirements
Compulsory attendance at FE tutorials and Lab classes, minimum result required for FE and Lab classes is 50%.
Finite Element (FE) Laboratory
This is a written report on the FE modelling part of the course and will involve problem-solving exercises. The timetable of FE tutorials will be available on MyUni in the beginning of semester.
This is a report on the experimental study part of the course. The timetable for the lab classes will be available on MyUni in the beginning of semester.
The examination is intended to assess the student’s knowledge and understanding of the course material. The final examination is open-book.
Solid Mechanics module:
These are problem-solving exercises. These problems will be discussed in class in detail before the due date. Example problems with full worked solutions will be considered in class and the solutions of the assignment’s problem will be available on MyUni.
Quizzes are individual in-class assignments and this includes problem-solving exercises to be completed in 45 min with full worked solutions to be available on MyUni.
Materials & Structures module:
These are problem-solving exercises covering the topics from this module of the course.
Quizzes will be collected at the end of the in-class tutorials.
All other assignments and reports must be submitted as a hard copy (unless stated otherwise) accompanied by an assessment cover sheet available near the assignment submission area. These must be placed the labelled box on level 2 of Engineering South Building.
Late assignments will be penalised 10% per day. Extensions for assignments and reports will only be given in exceptional circumstances and a case for this with supporting documentation can be made in writing after a lecture or via email. Hard copy assignments will be assessed and returned in 2 weeks of the due date. There will be no opportunities for re-submission of work of unacceptable standard.
Grades for your performance in this course will be awarded in accordance with the following scheme:
M10 (Coursework Mark Scheme) Grade Mark Description FNS Fail No Submission F 1-49 Fail P 50-64 Pass C 65-74 Credit D 75-84 Distinction HD 85-100 High Distinction CN Continuing NFE No Formal Examination RP Result Pending
Further details of the grades/results can be obtained from Examinations.
Grade Descriptors are available which provide a general guide to the standard of work that is expected at each grade level. More information at Assessment for Coursework Programs.
Final results for this course will be made available through Access Adelaide.
The University places a high priority on approaches to learning and teaching that enhance the student experience. Feedback is sought from students in a variety of ways including on-going engagement with staff, the use of online discussion boards and the use of Student Experience of Learning and Teaching (SELT) surveys as well as GOS surveys and Program reviews.
SELTs are an important source of information to inform individual teaching practice, decisions about teaching duties, and course and program curriculum design. They enable the University to assess how effectively its learning environments and teaching practices facilitate student engagement and learning outcomes. Under the current SELT Policy (http://www.adelaide.edu.au/policies/101/) course SELTs are mandated and must be conducted at the conclusion of each term/semester/trimester for every course offering. Feedback on issues raised through course SELT surveys is made available to enrolled students through various resources (e.g. MyUni). In addition aggregated course SELT data is available.
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