Table 4 PBD.
From: Calibration of contact parameters of sandy soil for planting tiger nut based on non-linear tools
Symbol | Factor | Level | |
|---|---|---|---|
− 1 | 1 | ||
A | Sandy soil-sandy soil restitution coefficient | 0.3 | 0.6 |
B | Sandy soil-sandy soil static friction coefficient | 0.4 | 0.8 |
C | Sandy soil-sandy soil rolling friction coefficient | 0.1 | 0.3 |
D | Sandy soil-steel plate restitution coefficient | 0.3 | 0.6 |
E | Sandy soil-steel plate static friction coefficient | 0.2 | 0.4 |
F | Sandy soil-steel plate rolling friction coefficient | 0.2 | 0.4 |
G ~ L | Dummy parameter | – | – |