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In this book, the authors present current research in the study of the mechanisms, behaviour and analysis of fatigue crack growths. Topics discussed in this compilation include the unified fatigue crack growth rate model; practical tools for statistical fatigue design; probablistic algorithms performance evaluation and application in multi-fractured structures; three dimensional effects in the fracture mechanics of bi-dimensional specimens; fatigue crack propagation mechanism in porous open pore metal foams; lifetime predictions for short fatigue crack's initiation-propagation by basic...

The rate and pattern of epithelial migration in the atelectatic tympanic membrane(TM) still remains unanswered, so far. Hence, a pilot, prospective, non- randomised, case-control study was conducted to characterize and compare the rate and pattern of epithelial migration in the atelectatic TM versus the normal TM. A total of 40 patients (80 ears) were included based on their otoscopic appearance and tympanography findings. A dot of Methylene blue dye was applied in the immediate vicinity of the umbo of the atelectatic and normal TMs. They were then followed up until the dye dot had migrated...