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Inspection, Monitoring and Repair
| Code: | M.EM023 | Acronym: | IMR |
| Keywords | |
|---|---|
| Classification | Keyword |
| OFICIAL | Applied Mechanics |
Instance: 2023/2024 - 1S 
| Active? | Yes |
| Responsible unit: | Applied Mechanics Section |
| Course/CS Responsible: | Master in Mechanical Engineering |
Cycles of Study/Courses
| Acronym | No. of Students | Study Plan | Curricular Years | Credits UCN | Credits ECTS | Contact hours | Total Time |
|---|---|---|---|---|---|---|---|
| M.EM | 35 | Syllabus | 2 | - | 4,5 | 39 | 121,5 |
Teaching Staff - Responsibilities
| Teacher | Responsibility |
|---|---|
| Mário Augusto Pires Vaz |
Teaching - Hours
| Recitations: | 3,00 |
| Type | Teacher | Classes | Hour |
|---|---|---|---|
| Recitations | Totals | 1 | 3,00 |
| Mário Augusto Pires Vaz | 2,00 | ||
| Raul Domingos Ferreira Moreira | 1,00 |
Teaching language
Portuguese and englishObjectives
To develop inspection methodologies and to monitor the integrity of structures using sensors and experimental techniques to assess their structural behavior, both in the laboratory and in service. New materials, whose use has grown exponentially, allow lighter structures, but more susceptible to internal defects, which reinforces the need to know their structural behavior, intact and containing different types of defects.
Light and flexible vehicle structures, used in transportation, in aeronautical applications and space, require non-destructive inspection and monitoring techniques to ensure high levels of reliability and demanding safety standards. Composite materials, whose use has grown exponentially, have heterogeneous structures susceptible to the appearance of defects, either due to their manufacturing process or to loads in service. The early detection of these defects allows planning their repair and maintaining/restoring their structural safety, so some concepts regarding the repair of composite components will also be presented.
Learning outcomes and competences
Acquire experimental skills and knowledge of experimental mechanics and instrumentation.
Transversal skills: Computational design of structural systems with numerical simulation by FEM and validation, group work, preparation of reports, oral presentation.
Working method
PresencialPre-requirements (prior knowledge) and co-requirements (common knowledge)
Previous knowledge of vector mechanics: static, kinematic and dynamic and Solid Mechanics: tensor analysis, internal efforts/stress distribution.
It is also desirable basic knowledge of electronics and instrumentation.
Program
Introduction to Structural Integrity Monitoring (SHM);
- Historical perspective and related concepts; visual inspection, non-destructive inspection, destructive methods for validation of structural
- Non destructive inspection techniques: imaging techniques; (Laser interferometry, thermography, Ultrasound, Eddy currents,
- Non-contact sensors, embedded sensors, (Laser sensors, Bragg sensors, ...)
- Monitoring systems with static, dynamic (impact) loads (signal acquisition, filtering, processing);
- Some innovative concepts: adaptive structures, deployable structures, tailored components, structural tests (laboratory, field tests), ...
- Presentation of cases of application of monitoring techniques (ex: ACARS system);
- Presentation and discussion of the results of some case studies.
- Monitoring and repair of composite structures (some theoretical classes of inspection).
Mandatory literature
James W. Dally; Experimental stress analysisWilliam N. Sharpe, Jr; Springer handbook of experimental solid mechanics. ISBN: 978-0-387-26883-5
Complementary Bibliography
Jayantha Ananda Epaarachchi, Gayan Chanaka Kahandawa; Structural Health Monitoring Technologies and Next-Generation Smart Composite Structures, Published December 12, 2019 by CRC Press, 2016. ISBN: 9780367869380Teaching methods and learning activities
The course unit works on a weekly basis with one theoretical lesson with a duration of 1.5h and one theoretical-practical lesson of the same duration.
This typology of classes allows the teacher to expose the subject in the theoretical lesson, and in the theoretical-practical lesson to discuss some applications with students in order to answer their questions.
Subsequently, it will be proposed to the students the development of group works that address the underlying theme to the theoretical content taught and allow them to deal with some of the techniques taught.
Evaluation Type
Evaluation with final examAssessment Components
| Designation | Weight (%) |
|---|---|
| Teste | 50,00 |
| Trabalho laboratorial | 50,00 |
| Total: | 100,00 |
Amount of time allocated to each course unit
| Designation | Time (hours) |
|---|---|
| Frequência das aulas | 46,00 |
| Trabalho laboratorial | 75,50 |
| Total: | 121,50 |
Eligibility for exams
The approval in this curricular unit implies that the students obtain an average classification of the exam and group work equal or superior to 10 out of 20.
The grade in the written exam must be equal or higher than 8 out of 20.
Calculation formula of final grade
Final Mark=0.5*work_mark + 0.5*exam_mark
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Page generated on: 2024-06-03 at 03:00:30 | Acceptable Use Policy | Data Protection Policy | Complaint Portal
Page generated on: 2024-06-03 at 03:00:30 | Acceptable Use Policy | Data Protection Policy | Complaint Portal