Table 3 Average and maximum von Mises stress and contact pressure in the anterior, central and posterior section of the polyethylene component between 10 and 70% of the gait cycle
Anterior | Central | Posterior | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
von Mises (MPa) | Contact pressure (MPa) | von Mises (MPa) | Contact pressure (MPa) | von Mises (MPa) | Contact pressure (MPa) | |||||||
Average | Max | Average | Max | Average | Max | Average | Max | Average | Max | Average | Max | |
10% | 1.3 | 4.9 | 1.2 | 7.6 | 4.2 | 9.4 | 5.7 | 12.4 | 0.8 | 2.3 | 0.0 | 0.0 |
20% | 4.1 | 10.3 | 5.6 | 12.6 | 3.7 | 8.6 | 5.0 | 11.7 | 0.5 | 1.6 | 0.0 | 1.0 |
30% | 6.1 | 11.9 | 8.4 | 16.2 | 2.7 | 7.5 | 3.3 | 11.0 | 0.3 | 1.0 | 0.0 | 2.0 |
40% | 7.5 | 14.1 | 10.0 | 19.8 | 2.7 | 7.6 | 2.9 | 11.0 | 0.3 | 1.0 | 0.0 | 3.0 |
50% | 2.8 | 6.9 | 3.4 | 8.6 | 4.3 | 9.7 | 6.1 | 13.2 | 0.6 | 2.2 | 0.4 | 4.9 |
60% | 0.3 | 2.1 | 0.0 | 0.0 | 0.4 | 2.1 | 0.1 | 0.9 | 0.6 | 5.4 | 0.0 | 0.0 |
70% | 0.4 | 2.5 | 0.1 | 2.5 | 0.2 | 0.9 | 0.1 | 0.9 | 0.1 | 0.2 | 0.0 | 0.0 |