Pw. Tan et al., 3-DIMENSIONAL FINITE-ELEMENT ANALYSES OF CORNER CRACKS AT STRESS-CONCENTRATIONS, Engineering fracture mechanics, 55(3), 1996, pp. 505-512
Stress-intensity factors for corner cracks at a semicircular edge notc
h in a plate subjected to tensile load were obtained by using three-di
mensional finite-element analyses. Stress-intensity factor solutions w
ere obtained for a wide range of crack shapes, crack sizes and notch-r
adius-to-plate-thickness ratios. The range of crack-depth-to-plate-thi
ckness (a/t) ratios considered was 0.2-0.8 and the crack-depth-to-crac
k-length (a/c) ratios were 0.4 and 1. Two notch-radii-to-plate-thickne
ss (r/t) ratios were studied: 1.5 and 3. The stress-intensity factor s
olutions are compared with equations that were developed from these re
sults and others from the literature. Copyright (C) 1996 Published by
Elsevier Science Ltd.