Table 1.
Parameter setting of golden needle mushroom discrete element simulation.
| Parameters | Value |
|---|---|
| Poisson’s ratio for golden needle mushrooms | 0.2996 |
| White steel cutter Poisson’s ratio | 0.3 |
| golden needle mushroom shear modulus/Pa | 9.59 × 106 |
| White steel cutter shear modulus/Pa | 7 × 1010 |
| Density of golden needle mushrooms/(kg-m-3) | 772.97 |
| Density of white steel knives/(kg-m-3) | 7850 |
| golden needle mushroom - golden needle mushroom Collision Recovery Coefficient | 0.513 |
| Golden Needle-White Steel cutter Collision Recovery Coefficient | 0.38 |
| golden needle mushroom - Coefficient of static friction of golden needle mushroom | 0.198 |
| Coefficient of static friction of gold-needle mushroom-white steel cutter | 0.82 |
| Agaricus blazei - Agaricus blazei coefficient of kinetic friction | 0.072 |
| Coefficient of kinetic friction of gold-needle mushroom-white steel cutter | 0.002 |
| Normal contact stiffness/N-m-1 | 3.70 × 108 |
| Tangential contact stiffness/N-m-1 | 2.51 × 108 |
| Critical normal stress/Pa | 9.0 × 106 |
| Critical tangential stress/Pa | 9.0 × 106 |