Calibration of Discrete Element Simulation Parameters for Powder Screw Conveying

Table 8

ANOVA of the modified model of Box-Behnken experiment.

Source of variation	Mean square	Freedom	Quadratic sum	F Value	alue
Model	0.0754	5	0.0151	60.73	<0.0001
H	0.0070	1	0.0070	28.28	0.0005
J	0.0566	1	0.0566	228.17	<0.0001
K	0.0023	1	0.0023	9.39	0.0135
H2	0.0014	1	0.0014	5.55	0.0430
J2	0.0075	1	0.0075	30.22	0.0004
Residual	0.0022	9	0.0002
Lack of fit	0.0022	7	0.0003	35.17	0.0279
Pure error	0.0000	2	9 × 10–6
Sum	0.0776	14
R^2 = 0.9712. Adjusted R^2 = 0.9552. Predicted R^2 = 0.9131. CV = 1.9%. Adep Precision = 23.5