Table 2 Simulation model parameters.
From: Design and field experiment of Codonopsis pilosula film covering transplanter
Project | Parameter | Numerical value |
|---|---|---|
Soil particle properties | Poisson ratio | 0.4 |
Shear modulus /Pa | 1.0 × 106 | |
Density/(kg m-3) | 1364 | |
Rotary tine properties | Poisson ratio | 0.28 |
Shear modulus /Pa | 3.5 × 1010 | |
Density/(kg m-3) | 7850 | |
Soil particle-Soil particle interaction | Restitution | 0.13 |
Static friction coefficient | 0.25 | |
Dynamic friction coefficient | 0.30 | |
Soil particle-Rotary tiller tine interaction | Restitution | 0.15 |
Static friction coefficient | 0.50 | |
Dynamic friction coefficient | 0.20 |
