Table 3.
Input parameters and levels of hole configurations.
| Parameter | Notation | Levels (low, medium, and high) |
|---|---|---|
| Hole diameter, in mm | A | 1 and 3 |
| Hole location | B | 1 and 2 |
| Number of holes | C | 1, 2 and 3 |
| Hole shape | D | 1, 2 and 3 |
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