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

Table 3

Value of parameters in formula (6).

Support spacing	Parameter value
	k0	k1	k2	k3	k4	k5
= 0.5	5.9	−2.776	−18.806	−7.413	28.427	11.109
= 0.6	7.355	−3.683	−22.66	−6.03	34.191	14.464
= 0.7	8.814	−5.088	−26.525	−1.74	39.977	18.582
= 0.8	10.104	−5.278	−29.693	−1.507	45.064	20.545