Table 4.
Maximum principal strain of 16 simulations in DOE analysis.
| Number | Velocity (mm/ms) | Cushion angle (°) | Coefficient of friction | Cushion thickness (mm) | Cushion density (kg/m3) | Maximum principal strain (E-3) |
|---|---|---|---|---|---|---|
| 1 | 0.5 | 10 | 0.9 | 140 | 20 | 4.08 |
| 2 | 0.5 | 20 | 0.6 | 20 | 40 | 5.17 |
| 3 | 0.7 | 20 | 0.3 | 60 | 20 | 4.6 |
| 4 | 0.1 | 20 | 0.9 | 100 | 30 | 2.97 |
| 5 | 0.5 | 30 | 0 | 60 | 30 | 2.72 |
| 6 | 0.5 | 0 | 0.3 | 100 | 50 | 3.43 |
| 7 | 0.3 | 20 | 0 | 140 | 50 | 3.22 |
| 8 | 0.1 | 30 | 0.3 | 140 | 40 | 2.51 |
| 9 | 0.7 | 0 | 0.6 | 140 | 30 | 5.14 |
| 10 | 0.1 | 0 | 0 | 20 | 20 | 3.82 |
| 11 | 0.1 | 10 | 0.6 | 60 | 50 | 3.99 |
| 12 | 0.7 | 30 | 0.9 | 20 | 50 | 6.08 |
| 13 | 0.3 | 10 | 0.3 | 20 | 30 | 4.21 |
| 14 | 0.3 | 0 | 0.9 | 60 | 40 | 3.29 |
| 15 | 0.3 | 30 | 0.6 | 100 | 20 | 2.36 |
| 16 | 0.7 | 10 | 0 | 100 | 40 | 5.7 |