Numerical Simulation of the Influence of Width of a Prefabricated Crack on the Dimensionless Stress Intensity Factor of Notched Semi-Circular Bend Specimens

Table 1

NSCB specimen parameters.

Elastic modulus, E (GPa)	Poisson’s ratio,	Dimensionless crack length,	Specimen thickness to diameter ratio,	Crack width, 2b (mm)	Dimensionless support spacing,
63.94	0.27	0.4, 0.5, and 0.6	0.4	0.0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.4, 1.6, 1.8, and 2.0	0.5, 0.6, 0.7, and 0.8