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2022/23 Taught Postgraduate Module Catalogue

JALJ0009 Operational Strength

10 creditsClass Size: 20

Module manager: Professor Marko Nagode
Email: .

Taught: Semester 2 (Jan to Jun) View Timetable

Year running 2022/23

Pre-requisite qualifications

Min 2(i) Engineering or Physical Sciences

This module is not approved as an Elective

Objectives

Students obtain specific knowledge as an upgrade to the basic knowledge of the R&D programme in mechanical engineering and the E&M field programme. This knowledge will enable them to execute developmental tasks in the field of developmental evaluations. The Operational strength course upgrades the knowledge obtained in the Science of the strength of materials and Advanced science of the strength of materials courses, qualifying the student in the developmental methods, dealing with the predictions of operating and loading states during the exploitation.

Learning outcomes
Knowledge and understanding
The student learns the state-of-the-art of functionalities, and the developmental, manufacturing and operating specialties of basic building blocks of mechanical actuators.
He or she understands the development, manufacturing and operation of elements and assemblies, as well as the principles of synthesis into machines and devices.

Usage
The knowledge and awareness is the foundation for the innovation, developmental and manufacturing processes, as well as for the operation and maintenance of machines and devices. This knowledge therefore represents the basis for modelling new functionalities, manufacturing process planning and power engineering and technical process planning.

Reflection
The students are able to upgrade their knowledge and get a grasp and understanding of mechatronic systems and the role of mechanical actuators.

Transferrable skills related to more than one course
The course provides the skills for using information sources, efficient professional demonstrations (written and oral), using the computer for modelling and simulation, and the management, execution and evaluation of design, developmental, manufacturing and operational/maintenance processes.

Skills outcomes
Finished level 1 study of mechanical engineering.
To obtain engineering know-how and the foundation for various work in the field of development.


Syllabus

- Describing time-variant operating conditions. Load classification. Statistical methods for the description of load states. Deterministic and random load states, load spectra.
- Experimental determination of operational strength: Wöhler tests, block diagrams for testing, random loading program, special program, validity of testing programs.
- Modeling operational strength: loads, critical cross-section, stress, form factor, safety margin. Factors influencing the operational strength (the influence of loads, form, material, manufacturing process, temperature, chemical influences, corrosion, frequency and so forth).
- Low-cycle strength, stress vs. cycles to failure (fatigue strength), fatigue limit. Multiaxiality of stresses: stress- and deformation-based approach. Basics of crack propagation theory and their influence on the component life. Calculations of safety and reliability.
Practical solutions: experimental support for the determination of operational strength, analysing the measurement results, processing the results, load spectra, constructing the load spectrum, statistical distribution of extreme values, load spectra spread, the dependence of load spectra form and extent on operating conditions, partial load spectrum, summary load spectrum, load spectrum growth, durability curves, durability curve spread. Tracking the operating conditions and the operating state during the operation and the whole life time.

Teaching methods

Delivery typeNumberLength hoursStudent hours
Lecture301.0030.00
Tutorial301.0030.00
Private study hours60.00
Total Contact hours60.00
Total hours (100hr per 10 credits)120.00

Methods of assessment


Coursework
Assessment typeNotes% of formal assessment
Tutorial Performance.50.00
Total percentage (Assessment Coursework)50.00

Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated


Exams
Exam typeExam duration% of formal assessment
Standard exam (closed essays, MCQs etc)1 hr 50.00
Total percentage (Assessment Exams)50.00

Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated

Reading list

There is no reading list for this module

Last updated: 29/04/2022 15:31:27

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