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| INSL7380 | Fracture Mechanics | 3+0+0 | ECTS:7.5 | | Year / Semester | Spring Semester | | Level of Course | Third Cycle | | Status | Elective | | Department | DEPARTMENT of CIVIL ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | Prof. Dr. Ahmet BİRİNCİ | | Co-Lecturer | Prof. Dr. Ahmet BİRİNCİ | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | To teach the basics of fracture mechanics. To make fracture analysis of cracked elements. To emphasize that fracture toughness is a mechanical property of material and to teach measurement methods. To determine simple geometry and crack propagation growth for structural elements. |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | To learn the bases of fracture mechanics | 1,5 | 1,5 | | PO - 2 : | To make fracture analysis of cracked elements | 1,5 | 1,5 | | PO - 3 : | To emphasize that the fracture toughness in the plane strain cases is a mechanical property of the material and to learn the measurement methods | 1,5 | 1,5 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| The need for Fracture Mechanics, Fracture Mechanics and Strength of Materials in analysis of engineering components. Elastic stress-strain field in continuous medium, Elastic crack tip stress field. Stress intensity factors for practical geometries, Analysis of crack tip plastic zone, Plane stress and Plane strain fracture toughness, Energy methods, Environment assisted cracking, Cyclic stress and strain fatigue, Fatigue crack growth. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Introduction | | | Week 2 | Lineer elastic fracture mechanics | | | Week 3 | Lineer elastic fracture mechanics | | | Week 4 | Energy equilibrium | | | Week 5 | Cracking plastic area | | | Week 7 | Elasto-plastic fracture mechanics | | | Week 8 | Fatigue behavior | | | Week 9 | Midterm exam | | | Week 10 | Fatigue crack formation and progression | | | Week 11 | Fatigue crack formation and progression | | | Week 12 | Stress intensity factor solutions | | | Week 13 | Stress intensity factors for different sample shapes | | | Week 14 | Crack inspection methods | | | Week 15 | Computational fracture mechanics | | | Week 16 | Final exam | | | |
| 1 | Anderson , T.L., 1995, Fracture Mechanics: Fundamentals and Applications, CRC Press. | | | 2 | Broek, D., 1987, Elementary Engineering Fracture Mechanics, Martinus Nijhoff Publishers. | | | 3 | Uğuz, A., 1996, Kırılma Mekaniğine Giriş; Uludağ Üniversitesi Basımevi, Bursa. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 2 | 20 | | Homework/Assignment/Term-paper | 5
9
11
12 | | 2
2
2
2 | 30 | | End-of-term exam | 16 | | | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 8 | 14 | 112 | | Laboratuar çalışması | 0 | 0 | 0 | | Arasınav için hazırlık | 8 | 1 | 8 | | Arasınav | 2 | 1 | 2 | | Uygulama | 0 | 0 | 0 | | Klinik Uygulama | 0 | 0 | 0 | | Ödev | 9 | 4 | 36 | | Proje | 0 | 0 | 0 | | Kısa sınav | 0 | 0 | 0 | | Dönem sonu sınavı için hazırlık | 15 | 1 | 15 | | Dönem sonu sınavı | 3 | 1 | 3 | | Diğer 1 | 0 | 0 | 0 | | Diğer 2 | 0 | 0 | 0 | | Total work load | | | 218 |
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