Numerical Simulation on Cutting and Fracturing of Rock Plate with One Side Fixed and Three Sides Free

Table 4

Regression analysis results between height and PCF.

Width (mm)	Fitting equation	R^2	F value	value	Correlation
200	y = 1.9834 − 0.00758x	0.94744	73	3.3e − 3	Linear-negative
300	y = 2.96567 − 0.0111x	0.99119	451	2.3e − 4	Linear-negative
400	y = 3.69552 − 0.01396x	0.99623	1058	6.4e − 5	Linear-negative
500	y = 3.74685 − 0.01435x	0.97869	184	8.6e − 4	Linear-negative