Table 3 Plackett–Burman experiment parameter list.
From: Research on coal rock parameter calibration based on discrete element method
Number | Parameters | low-level(− 1) | high-level(1) |
|---|---|---|---|
ID1 | Recovery coefficient between coal and coal particles | 0.2 | 0.8 |
ID 2 | Static friction coefficient between coal and coal particles | 0.1 | 0.8 |
ID 3 | Rolling friction coefficient between coal and coal particles | 0.01 | 0.12 |
ID 4 | Recovery coefficient between coal particles and steel | 0.3 | 0.7 |
ID 5 | Static friction coefficient between coal particles and steel | 0.4 | 0.8 |
ID 6 | Rolling friction coefficient between coal particles and steel | 0.01 | 0.15 |
ID 7, ID 8, ID 9, ID 10, ID 11 | Virtual parameters | – | – |