Analysis and Key Parameter Optimization Design of Leningrader Seal Performance | Wuhan University Journal of Natural Sciences

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Table 1

Regression coefficients and analysis of variance for estimating the maximum contact stress at the sealing interface

Source	Free degree	Adj SS	Adj MS	F value	P-value
mold	10	28.142 4	2.814 2	44.43	0.001
block	1	0.000 0	0.000 0	1.50	0.233
linearity	3	22.013 4	7.337 8	53.89	0.000
u	1	0.001 9	0.001 9	77.42	0.000
P_c	1	17.335 9	17.335 0	41.61	0.002
I	1	4.602 4	4.602 4	89.31	0.003
square	3	0.000 3	0.000 1	4.26	0.682
u $\times$ u	1	0.000 1	0.000 1	2.10	0.197
P_c $\times$ P_c	1	0.000 1	0.000 1	2.21	0.187
I $\times$ I	1	0.000 2	0.000 2	9.77	0.020
two factor interaction	3	0.002 4	0.000 8	32.80	0.012
u $\times$ P_c	1	0.000 0	0.000 0	1.29	0.057
u $\times$ I	1	0.000 8	0.000 8	33.85	0.015
P_c $\times$ I	1	0.001 6	0.001 6	63.26	0.001
error	6	0.000 1	0.000 0	—	—
lack of fit	52	12.1470	2.412 5	0.73	0.612
pure error	2	0.000 0	0.000 0	0.73	0.612
summation	16	28.142 6	—	—	—

Note： Adj SS means adjusted sum of squares of deviation from mean; Adj MS means adjusted mean square

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