Table 4 Optimization of the results of the orthogonal experimental design
Model | Experimental factor j (j = 1,2,3,4) | Peak value of the contact pressure (MPa) | |||
|---|---|---|---|---|---|
A | B | C | D | ||
1 | 1 | 1 | 1 | 1 | 18.99 |
2 | 1 | 2 | 2 | 2 | 17.10 |
3 | 1 | 3 | 3 | 3 | 20.46 |
4 | 2 | 1 | 2 | 3 | 22.18 |
5 | 2 | 2 | 3 | 1 | 24.10 |
6 | 2 | 3 | 1 | 2 | 21.26 |
7 | 3 | 1 | 3 | 2 | 22.68 |
8 | 3 | 2 | 1 | 3 | 29.73 |
9 | 3 | 3 | 2 | 1 | 24.25 |
Kj1 | 18.85 | 21.28 | 23.33 | ||
Kj2 | 22.51 | 23.64 | 21.18 | ||
Kj3 | 25.55 | 21.99 | 22.41 | ||
Range Rj | 6.70 | 2.36 | 2.15 | ||
Ranking | A > B > C | ||||
Optimal level | A1 | B1 | C2 | ||