Table 2.
Comparison of stiffness and stiffness coefficients of different PEHs.
| PEH | Stress (MPa) | kL (N/m) | kNL (N/m3) |
|---|---|---|---|
| Rectangular | 2.5 | 6847 | 1.73 × 1010 |
| Tapered | 3 | 4867 | 9.25 × 109 |
| Exsect-Tapered | 6 | 3227 | 8.92 × 109 |
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