Anna University Syllabus - Anna University ME Syllabus
AO7009 FATIGUE AND FRACTURE MECHANICS Syllabus | Anna University ME Aeronautical Engineering Second Semester Syllabus Regulation 2013. Below is the Anna University 2013 Regulation Syllabus for 2nd Semester for ME Aeronautical engineering, Textbooks, Reference books, Exam portions, Question Bank, Previous year question papers, Model question papers, Class notes, Important 2 marks, 8 marks, 16 marks topics.
It is applicable for all students admitted in the Academic year 2013-2014 onwards for all its Affiliated institutions in Tamil Nadu.
Anna University Chennai Syllabus
AO7009 FATIGUE AND FRACTURE MECHANICS L T P C 3 0 0 3
OUTCOME:
Upon completion of the course, students will learn about fracture behaviour, fatigue design and
testing of structures.
UNIT I FATIGUE OF STRUCTURES 10
S.N. curves – Endurance limit – Effect of mean stress – Goodman, Gerber and Soderberg
relations and diagrams – Notches and stress concentrations – Neuber’s stress concentration
factors – plastic stress concentration factors – Notched S-N curves.
UNIT II STATISTICAL ASPECTS OF FATIGUE BEHAVIOUR 8
Low cycle and high cycle fatigue – Coffin-Manson’s relation – Transition life – Cyclic Strain
hardening and softening – Analysis of load histories – Cycle counting techniques – Cumulative
damage – Miner’s theory – other theories.
UNIT III PHYSICAL ASPECTS OF FATIGUE 5
Phase in fatigue life – Crack initiation – Crack growth – Final fracture – Dislocations – Fatigue
fracture surfaces.
UNIT IV FRACTURE MECHANICS 15
Strength of cracked bodies – potential energy and surface energy – Griffith’s theory – Irwin –
Orwin extension of Griffith’s theory to ductile materials – Stress analysis of cracked bodies – Effect
of thickness on fracture toughness – Stress intensity factors for typical geometries.
UNIT V FATIGUE DESIGN AND TESTING 7
Safe life and fail safe design philosophies – Importance of Fracture Mechanics in aerospace
structure – Application to composite materials and structures.
TOTAL: 45 PERIODS
REFERENCES
1. D.Brock, “Elementary Engineering Fracture Mechanics”, Noordhoff International Publishing
Co., London, 1994.
2. J.F.Knott, “Fundamentals of Fracture Mechanics”, Butterworth & Co., (Publishers) Ltd.,
London, 1983.
3. W.Barrois and L.Ripley, “Fatigue of Aircraft Structures”, Pergamon Press, Oxford, 1983.
4. C.G.Sih, “Mechanics of Fracture”, Vol.1 Sijthoff and Noordhoff International Publishing Co.,
Netherland, 1989.
AO7009 FATIGUE AND FRACTURE MECHANICS L T P C 3 0 0 3
OUTCOME:
Upon completion of the course, students will learn about fracture behaviour, fatigue design and
testing of structures.
UNIT I FATIGUE OF STRUCTURES 10
S.N. curves – Endurance limit – Effect of mean stress – Goodman, Gerber and Soderberg
relations and diagrams – Notches and stress concentrations – Neuber’s stress concentration
factors – plastic stress concentration factors – Notched S-N curves.
UNIT II STATISTICAL ASPECTS OF FATIGUE BEHAVIOUR 8
Low cycle and high cycle fatigue – Coffin-Manson’s relation – Transition life – Cyclic Strain
hardening and softening – Analysis of load histories – Cycle counting techniques – Cumulative
damage – Miner’s theory – other theories.
UNIT III PHYSICAL ASPECTS OF FATIGUE 5
Phase in fatigue life – Crack initiation – Crack growth – Final fracture – Dislocations – Fatigue
fracture surfaces.
UNIT IV FRACTURE MECHANICS 15
Strength of cracked bodies – potential energy and surface energy – Griffith’s theory – Irwin –
Orwin extension of Griffith’s theory to ductile materials – Stress analysis of cracked bodies – Effect
of thickness on fracture toughness – Stress intensity factors for typical geometries.
UNIT V FATIGUE DESIGN AND TESTING 7
Safe life and fail safe design philosophies – Importance of Fracture Mechanics in aerospace
structure – Application to composite materials and structures.
TOTAL: 45 PERIODS
REFERENCES
1. D.Brock, “Elementary Engineering Fracture Mechanics”, Noordhoff International Publishing
Co., London, 1994.
2. J.F.Knott, “Fundamentals of Fracture Mechanics”, Butterworth & Co., (Publishers) Ltd.,
London, 1983.
3. W.Barrois and L.Ripley, “Fatigue of Aircraft Structures”, Pergamon Press, Oxford, 1983.
4. C.G.Sih, “Mechanics of Fracture”, Vol.1 Sijthoff and Noordhoff International Publishing Co.,
Netherland, 1989.
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