Research Article
Prediction and Analysis of PDC Bit Wear in Conglomerate Layer with Machine Learning and Finite-Element Method
Table 3
Comparison of relative error between EP-GEP model predicted value and finite-element simulation result.
| Serial number | (°) | (°C) | (m·s−1) | (N) | EP-GEP (V/mm3) | Relative error with the simulated value of finite-element method (%) |
| 1 | 12 | 120 | 0.07 | 1580 | 1.722 | −2.433 | 2 | 12 | 220 | 0.13 | 1870 | 2.601 | −3.302 | 3 | 12 | 340 | 0.23 | 2060 | 4.343 | 1.592 | 4 | 12 | 430 | 0.27 | 2265 | 5.730 | −2.873 | 5 | 12 | 550 | 0.29 | 2775 | 8.023 | 2.368 | 6 | 17 | 120 | 0.13 | 2060 | 2.599 | 2.757 | 7 | 17 | 220 | 0.23 | 2265 | 3.741 | 3.885 | 8 | 17 | 340 | 0.27 | 2775 | 5.156 | −6.776 | 9 | 17 | 430 | 0.29 | 1580 | 5.855 | 2.073 | 10 | 17 | 550 | 0.07 | 1870 | 2.907 | 3.174 | 11 | 22 | 120 | 0.23 | 2775 | 4.155 | 3.243 | 12 | 22 | 220 | 0.27 | 1580 | 3.712 | −2.722 | 13 | 22 | 340 | 0.29 | 1870 | 4.979 | −6.980 | 14 | 22 | 430 | 0.07 | 2060 | 2.515 | −7.010 | 15 | 22 | 550 | 0.13 | 2265 | 4.263 | −0.585 | 16 | 27 | 120 | 0.27 | 1870 | 2.826 | 0.626 | 17 | 27 | 220 | 0.29 | 2060 | 3.650 | −6.791 | 18 | 27 | 340 | 0.07 | 2265 | 2.226 | −5.063 | 19 | 27 | 430 | 0.13 | 2775 | 3.390 | −2.726 | 20 | 27 | 550 | 0.23 | 1580 | 5.346 | 6.506 | 21 | 33 | 120 | 0.29 | 2265 | 2.138 | −5.392 | 22 | 33 | 220 | 0.07 | 2775 | 1.776 | 4.279 | 23 | 33 | 340 | 0.13 | 1580 | 1.810 | −0.501 | 24 | 33 | 430 | 0.23 | 1870 | 3.220 | −1.587 | 25 | 33 | 550 | 0.27 | 2060 | 4.639 | −0.468 |
|
|