Table 2 Experimental measurements and numerical results
From: Contact Model of Revolute Joint with Clearance Based on Fractal Theory
Experiment no. | Measured initial velocity (m/s) | Measured contact force (N) | Theoretical contact force (N) | Relative error |
|---|---|---|---|---|
1 | 0.131 | 258.18 | 234.5 | − 9.63% |
2 | 0.150 | 308.53 | 281.6 | − 9.56% |
3 | 0.241 | 499.00 | 533.4 | 6.38% |
4 | 0.299 | 711.06 | 708.6 | − 0.42% |
5 | 0.302 | 739.00 | 721.7 | − 2.50% |
6 | 0.351 | 935.00 | 881.4 | − 6.08% |
7 | 0.388 | 1089.17 | 1010 | − 7.82% |
8 | 0.400 | 1188.66 | 1087 | − 9.29% |
9 | 0.421 | 1250.00 | 1128 | − 7.30% |
10 | 0.427 | 1183.78 | 1150 | − 2.87% |
11 | 0.577 | 1661.07 | 1718 | 3.32% |
12 | 0.630 | 2035.22 | 1924 | − 5.77% |
13 | 0.735 | 2205.81 | 2365 | 6.77% |
14 | 0.818 | 2435.45 | 2703 | 9.91% |
15 | 0.882 | 2827.45 | 2994 | 5.58% |
16 | 0.970 | 3191.83 | 3391 | 5.90% |
17 | 0.989 | 3347.17 | 3477 | 3.74% |
18 | 1.044 | 3752.15 | 3722 | − 0.80% |
19 | 1.070 | 3812.87 | 3842 | 0.78% |
20 | 1.110 | 3934.63 | 4039 | 2.60% |