ENGMP213-22A (HAM)

Mechanics of Materials 1

15 Points

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Division of Health Engineering Computing & Science
School of Engineering

Staff

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Convenor(s)

Ilanko Ilanko

Ilanko Ilanko
9380
D.2.03
See Moodle
ilanko@waikato.ac.nz

Lecturer(s)

Megan Boston

Megan Boston
9459
DE.2.01
See Moodle
megan.boston@waikato.ac.nz

Administrator(s)

: mary.dalbeth@waikato.ac.nz
: natalie.shaw@waikato.ac.nz

Placement/WIL Coordinator(s)

Tutor(s)

Student Representative(s)

Lab Technician(s)

Librarian(s)

: cheryl.ward@waikato.ac.nz

You can contact staff by:

  • Calling +64 7 838 4466 select option 1, then enter the extension.
  • Extensions starting with 4, 5, 9 or 3 can also be direct dialled:
    • For extensions starting with 4: dial +64 7 838 extension.
    • For extensions starting with 5: dial +64 7 858 extension.
    • For extensions starting with 9: dial +64 7 837 extension.
    • For extensions starting with 3: dial +64 7 2620 + the last 3 digits of the extension e.g. 3123 = +64 7 262 0123.
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Paper Description

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This course is about the mechanical behaviour of structures, machines, structural and machine components. Those enrolling in this paper are expected to have successfully completed Engineering Mechanics and are therefore able to calculate forces and moments in bars, beams, shafts and pin-jointed frames and have an understanding of the meaning of direct stress in materials.

Topics covered include: normal and or shear stresses in structural elements such as bars, shafts and beams; normal, shear and bearing stresses in connections and supports, displacements (translations and rotations); critical loads of struts; transformation of stresses, Mohr's circle for plane stress, and the use of failure criteria for design.

In addition to the use of equilibrium equations and freebody diagrams, the concepts of geometric compatibility, boundary conditions at supports and continuity conditions at connections will be covered.

The learning outcomes for this paper are linked to Washington Accord graduate attributes WA1-WA11. Explanation of the graduate attributes can be found at: https://www.ieagreements.org/

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Paper Structure

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This paper is taught through lectures, tutorials, a laboratory, class demonstrations and interactive computer programs.

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Learning Outcomes

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Students who successfully complete the paper should be able to:

  • calculate normal stress an shear stress in skeletal structural elements (bars, shafts and beams) due to axial, torsional and transverse loading, as well as normal, shear and bearing stresses in connections and supports. (WA1, WA4)
    Linked to the following assessments:
    • Test 1 (1)
    • Test 2 (2)
    • Test 3 (3)
    • Test 4 (4)
    • Lab1: Truss -lab dates will be assigned for the lab groups in Week 1 (5)
    • Lab 2: Deflection and stress in a beam (6)
    • Lab 3: Failure Study (7)
    • Exam (8)
  • calculate the translatory and rotational displacements of bars (axial displacement), shafts (angle of twist) and beams (tarnsverse deflection) (WA1)
    Linked to the following assessments:
    • Test 1 (1)
    • Test 2 (2)
    • Test 3 (3)
    • Test 4 (4)
    • Lab 2: Deflection and stress in a beam (6)
    • Exam (8)
  • analyse statically indeterminate skeletal structural elements (bears, shafts and beams) subject to imposed loading, diplacements or temperature changes (WA1)
    Linked to the following assessments:
    • Test 2 (2)
    • Test 3 (3)
    • Test 4 (4)
    • Lab 2: Deflection and stress in a beam (6)
    • Exam (8)
  • calculate critical loads of struts (WA1)
    Linked to the following assessments:
    • Exam (8)
  • calculate principal stresses and maximum shear stress due to combined loading and determine the factor of safety based on failure criteria. WA1)
    Linked to the following assessments:
    • Test 4 (4)
    • Exam (8)
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Assessment

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Internally assessed components include tests and lab reports. Purely numerical errors will not generally be penalised but unreasonably high/low values without any comments may be subject to some penalty. Lack of clarity in the answers, including absence of freebody diagrams may lead to a reduction in marks.

The assignments/lab tasks will be uploaded onto Moodle prior to the dates given on the lecture schedule. Lab sheets will be handed out at the labs. Lab reports will not be marked unless the students attended a lab. If due to unavoidable circumstances, physical attendance at labs is not possible, the students still need to attend a virtual session to be able to gain credit for the report as otherwise no marks will be credited for the lab report.

The Final Examination will be a closed book examination, and the topics covered in the exam will reflect the content of the whole course.

Samples of your work may be required as part of the Engineering New Zealand accreditation process for BE(Hons) degrees. Any samples taken will have the student name and ID redacted. If you do not want samples of your work collected then please email the engineering administrator, Natalie Shaw (natalie.shaw@waikato.ac.nz), to opt out.

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Assessment Components

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The internal assessment/exam ratio (as stated in the University Calendar) is 60:40. There is no final exam. The final exam makes up 40% of the overall mark.

The internal assessment/exam ratio (as stated in the University Calendar) is 60:40 or 0:0, whichever is more favourable for the student. The final exam makes up either 40% or 0% of the overall mark.

Component DescriptionDue Date TimePercentage of overall markSubmission MethodCompulsory
1. Test 1
23 Mar 2022
9:00 AM
10.5
  • Hand-in: In Lecture
2. Test 2
13 Apr 2022
9:00 AM
10.5
  • Hand-in: In Lecture
3. Test 3
25 May 2022
9:00 AM
10.5
  • Hand-in: In Lecture
4. Test 4
8 Jun 2022
9:00 AM
10.5
  • Hand-in: In Lecture
5. Lab1: Truss -lab dates will be assigned for the lab groups in Week 1
5
  • Online: Submit through Moodle
6. Lab 2: Deflection and stress in a beam
5
  • Online: Submit through Moodle
7. Lab 3: Failure Study
8
  • Online: Submit through Moodle
8. Exam
40
✔
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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Lecture notes supplied via Moodle.
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Recommended Readings

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Engineering Mechanics: Statics, by R. C. Hibbeler.

Mechanics of Materials, by R. C. Hibbeler.

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Other Resources

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Panopto recordings of lectures will be available. Interactive proograms will also be available for parts of this paper.
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Online Support

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A Moodle site will operate for this paper. Students are expected to use Moodle; for example announcements made there are expected to be read. No printed notes will be given out by the lecturer; all documentation will be placed on Moodle.
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Workload

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Contact Hours: Lectures 36; Tutorials 12; Labs (physical and simulation) 3; Tests 4; Total 55

Non-contact hours: Revision after lectures 36; Labs, assignments 12; Preparation for tests and exam: 45; Total 93

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Linkages to Other Papers

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Prerequisite(s)

Prerequisite papers: ENGEN112 and ENGEN110

Corequisite(s)

Equivalent(s)

Restriction(s)

Restricted papers: ENGCV212

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