Table 3 Experimental measurements and numerical results for c = 0.5 mm and Ra = 6.3
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 | 242.4 | − 6.1% |
2 | 0.150 | 308.53 | 288.5 | − 6.5% |
3 | 0.241 | 499.00 | 530.3 | 6.3% |
4 | 0.299 | 711.06 | 698.4 | − 1.8% |
5 | 0.302 | 739.00 | 707.2 | − 4.3% |
6 | 0.343 | 847.78 | 832.4 | − 1.8% |
7 | 0.388 | 1059.17 | 972.7 | − 8.2% |
8 | 0.411 | 1112.06 | 1048.0 | − 5.8% |
9 | 0.422 | 1128.54 | 1084.0 | − 3.9% |
10 | 0.427 | 1183.78 | 1100.0 | − 7.1% |
11 | 0.577 | 1661.07 | 1611.0 | − 3.0% |
12 | 0.624 | 1697.08 | 1778.0 | 4.8% |
13 | 0.633 | 1748.96 | 1812.0 | 3.6% |
14 | 0.735 | 2205.81 | 2188.0 | − 0.8% |
15 | 0.818 | 2435.30 | 2503.9 | 2.8% |
16 | 0.882 | 2827.45 | 2755.8 | − 2.5% |
17 | 0.970 | 3191.83 | 3102.5 | − 2.8% |
18 | 0.989 | 3347.17 | 3177.4 | − 5.1% |
19 | 1.044 | 3752.15 | 3399.4 | − 9.4% |
20 | 1.070 | 3812.87 | 3508.7 | − 8.0% |
21 | 1.110 | 3934.63 | 3677.1 | − 6.5% |