MECH ENG 2002 - Stress Analysis & Design
North Terrace Campus - Semester 2 - 2021
General Course Information
Course Code MECH ENG 2002 Course Stress Analysis & Design Coordinating Unit School of Mechanical Engineering Term Semester 2 Level Undergraduate Location/s North Terrace Campus Units 3 Contact Up to 5 hours per week Available for Study Abroad and Exchange Y Assumed Knowledge MECH ENG 1007 & C&ENVENG 1010 or CEME 1004 Restrictions Available to Bachelor of Engineering (Honours) (Mechanical) & associated double degree students only Course Description Concept of stress and strain, characterisation of stress-strain curves and failure of metals, plastics and wood, Hooke's law in tension/compression and shear, axially loaded members, Saint-Venant's principle, non-linear deformation, statically indeterminate structures, thermal stresses, torsion of circular bars and tubes, bending, stresses in beams, combined loading, deflection of beams, buckling instability, analysis of stress and strain, Mohr's circle, generalized Hooke's law, strain energy, energy methods, elementary theories of plasticity and failure, intro to design of columns, shafts, pressure vessels, welded joints, fasteners and springs and Finite Element Analysis.
Course Coordinator: Dr Aditya Khanna
The full timetable of all activities for this course can be accessed from Course Planner.
One two-hour lecture and a three hour tutorial per week. Two laboratories will need to be attended through the semester.
Course Learning OutcomesOn successful completion of this course students will be able to:
1 Apply knowledge of basic science and engineering fundamentals; 2 Demonstrate the ability to communicate effectively, not only with engineers but also with the community at large; 3 Demonstrate technical competence in at least one engineering discipline; 4 Demonstrate the ability to undertake problem identification, formulation and solution; 5 Apply a systems approach to design and operational performance; 6 Demonstrate the ability to function effectively as an individual and in multi-disciplinary and multi-cultural teams, with the capacity to be a leader or manager as well as an effective team member; 7 Discuss the professional and ethical responsibilities and commitment to them; and 8 Recognise the need to undertake lifelong learning, and the capacity to do so.
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 1.6 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)
1-5 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
1-5 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
1-5 Career and leadership readiness
- technology savvy
- professional and, where relevant, fully accredited
- forward thinking and well informed
- tested and validated by work based experiences
1-7 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
6-7 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
No text book is compulsory – course reader can be purchased from the Online Shop
Recommended ResourcesGere, J.M., Mechanics of Materials, Ninth edition, Cengage Learning, 2017
Online LearningIn-depth worked solutions to lecture, tutorial, assignment and test problems will be uploaded on MyUni. Lecture and tutorial recordings as well as supplementary resources will be uploaded on the Myuni page as well.
Learning & Teaching Activities
Learning & Teaching Modes
The course material is delivered through weekly lectures and small-group tutorials. The lectures cover various topics of stress analysis and design, with a focus on the fundamental theoretical concepts and their practical applications in the real world. The small-group tutorials focus on the development of problem solving and communication skills in the context of the design of simple structural and machine elements.
The information below is provided as a guide to assist students in engaging appropriately with the course requirements.
The workload for the course comprises of lecture, tutorial and laboratory attendance as well as completing several formative and summative assessment tasks throughout the semester. The formative assessments comprise of multiple-choice quizzes conducted during the lectures and practice problems solved by students during the tutorials. The summative assessment comprises of assignments, classroom tests, laboratories and an open-book exam.
The assignments cover problems which are more advanced than the problems discussed in lectures and tutorials. The assignment problems are aimed at challenging the students intellectually and providing stimulus for students to extend their conceptual understanding in a self-directed manner.
Three classroom tests will be conducted during the semester to develop time management and problem solving skills. It is hoped that the multiple tests will provide students an opportunity for self-assessment and improvement.
The laboratories are intended to provide students with practical experience in using experimental techniques, such as Digital Image Correlation, and numerical analysis using the Finite Element Method. The laboratories also provide students with the experience in report writing and communication.
The examination is intended to assess the student’s knowledge and understanding of the various topics covered in the course.
Learning Activities Summary
TENSION, COMPRESSION AND SHEAR(a) Concept of stress and strain
(b) Hooke's law and Poisson's ratio
(c) Small strain analysis
BASICS OF STRUCTURAL DESIGN(a) Mechanical behaviour of materials
(b) Factor of safety and allowable stress
(c) Analysis and design of simple connections
AXIALLY LOADED MEMBERS(a) Changes in length of axially loaded members
(b) Statically indeterminate structures
(c) Stresses acting on inclined sections
(d) Principle of superposition
TORSION OF CIRCULAR BARS(a) Torsional deformation of a solid circular bar
(b) Nonuniform torsion
(c) Statically indeterminate shafts
(d) Analysis of stress and strain in pure shear
SHEAR FORCES AND BENDING MOMENTS IN BEAMS(a) Shear force and bending moment
(b) Relationships between Loads, Shear Forces, and Bending Moments
(c) Shear and Moment Diagrams
STRESSES IN BEAMS - PART I(a) Strain-Curvature relation for a beam in pure bending
(b) Normal Stresses in beams
(c) Transverse Shear Stresses in beams of rectangular cross-section
(d) Transverse Shear Stresses in beams of circular cross-section
STRESSES IN BEAMS - PART II(a) Review of centroids and moments of inertia
(b) Shear stresses in the web of wide-flanged beams
(c) Beams with combined bending and axial loads
(d) Circular or annular section beams with combined transverse shear
and torsional loads
DEFLECTION OF BEAMS AND COLUMNS(a) Deflection of beams
(b) Buckling instability in columns
(c) Secant formula
ANALYSIS OF STRESS AND STRAIN - PART I(a) Stress elements and plane stress
(b) Stress transformation equations
(c) Principal stresses and maximum shear stress
(d) Mohr’s circle
(e) Special cases of the plane stress state
ANALYSIS OF STRESS AND STRAIN - PART II(a) Hooke’s law in plane stress
(b) Volume changes
(c) Strain transformation equations
(d) Special cases of the plane stress state
(e) Theories of failure
PRESSURE VESSELS AND SHAFT DESIGN(a) Spherical and cylindrical pressure vessels
(b) Maximum stresses in beams
(c) Shaft design
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 Weekly tutorials 10 Individual Summative Weeks 2-12 1. 3. 4. 5. 6. 8. Labs 10 Group Summative Week 5-12 Min 50% 1. 2. 3. 4. 5. 6. 7. 8. Design project 15 Group Summative Week 9 1. 2. 3. 4. 5. 6. 7. 8. Final Exam 65 Individual Summative 1. 3. 4. 5. 6. 8. Total 100
This assessment breakdown complies with the University's Assessment for Coursework Programs Policy.
This course has a hurdle requirement. Meeting the specified hurdle criteria is a requirement for passing the course.
Assessment Related Requirements
Attendance at laboratories is compulsory. The students must score more than 50% for both laboratories.
No information currently available.
Submissions are to be handed in to the submission box on level 2 of Engineering South Building with a signed cover page. Submissions not having a cover page will not be marked.
Any late submission will be marked at -10% penalty per calendar day late.
Marked assignments and quizzes will be returned in the “submission return” pigeonholes in the second floor of Engineering South (beside the elevator).
Students are encouraged to contact the lecturer as soon as possible if there is a problem with handing in assignments/quizzes so as to request a different deadline.
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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