Table 3 Material parameters in simulation software.
From: Design optimization and experiment of corn U-shaped fertilization device
Materials | Density (kg/m3) | Poisson 's ratio | Shear modulus (MPa) |
|---|---|---|---|
Compound fertilizer particles Slow controlled fertilizer particles | 1328 1564 | 0.25 0.25 | 1.0 × 107 1.0 × 107 |
Soil particles | 2500 | 0.3 | 1.0 × 106 |
Fertilization device | 7800 | 0.3 | 7.0 × 1010 |