Table 2.
Sensitivity analyses on mesh density for different knee substructures.
| Case (s) | Element size (ES) and number of elements (NOE) | % change in peak cartilage contact pressure | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Femoral cartilage | Tibial cartilage | Medial meniscus | Lateral meniscus | ||||||
| ES (mm) | NOE | ES (mm) | NOE | ES (mm) | NOE | ES (mm) | NOE | ||
| Reference | 0.75 | 37155 | 0.5 | 42423 | 0.5 | 9630 | 0.5 | 14640 | — |
| Case a | 0.75 | 37155 | 0.5 | 42423 | 1 | 1512 | 1 | 1984 | 1.93 |
| Case b | 0.75 | 37155 | 1 | 6092 | 1 | 1512 | 1 | 1984 | 2.78 |
| Case c | 1 | 13948 | 1 | 6092 | 1 | 1512 | 1 | 1984 | 3.97 |
| Case d | 1.5 | 3252 | 1.5 | 1358 | 1.5 | 444 | 1.5 | 516 | 8.43 |
| Case e | 2 | 1944 | 2 | 845 | 2 | 224 | 2 | 272 | 13.27 |