Finite Element- and Design of Experiment-Derived Optimization of Screw Configurations and a Locking Plate for Internal Fixation System

Table 6

Intuitionistic analysis for the orthogonal experiment of screw configurations.

Number of experiments	Factors				Results of experiment F
	A	B	C	D	P	N	K	L
1	A1	B1	C1	D1	P1	N1	K1	L1
2	A1	B2	C2	D2	P2	N2	K2	L2
3	A1	B3	C3	D3	P3	N3	K3	L3
4	A2	B1	C2	D3	P4	N4	K4	L4
5	A2	B2	C3	D1	P5	N5	K5	L5
6	A2	B3	C1	D2	P6	N6	K6	L6
7	A3	B1	C3	D2	P7	N7	K7	L7
8	A3	B2	C1	D3	P8	N8	K8	L8
9	A3	B3	C2	D1	P9	N9	K9	L9
I	285.33	262.33	270.33	250.33	The maximum von Mises stress of the plate (P)
II	282.33	251.67	231.00	258.33
III	201.67	255.33	268.00	260.67
Range	83.67	10.67	39.33	10.33
Optimal scheme	A3	B2	C2	D1
I	434.33	389.00	393.33	375.67	The maximum von Mises stress of the screw (N)
II	392.33	363.00	387.67	410.33
III	372.67	447.33	418.33	413.33
Range	61.67	84.33	30.67	37.67
Optimal scheme	A3	B2	C2	D1
I	69.77	76.23	70.23	74.40	The maximum von Mises stress of the femur (K)
II	80.27	70.87	75.00	68.40
III	71.00	73.93	75.80	78.23
Range	10.50	6.36	5.57	9.83
Optimal scheme	A1	B2	C1	D2
I	7.71	8.27	7.13	7.54	The maximum strain of the callus (L)
II	7.72	7.38	8.14	7.94
III	7.99	7.86	8.23	8.03
Range	0.28	0.89	1.10	0.49
Optimal scheme	A1	B2	C1	D1