Table 1 Material property, designations, and element number of the finite element model
Component | Element type | E (MPa) | ʋ | Cross-sectional area (mm) | Element number |
|---|---|---|---|---|---|
Cortical | C3D15, C3D10M | 1200 | 0.29 | – | 187865 |
Cancellous | C3D10M | 450 | 0.29 | – | 132759 |
Cartilago articularis | C3D10M | 10 | 0.3 | – | 11343 |
TL | S8R | 20 | 0.3 | – | 114 |
ALL | T3D2 | 54.5 | 0.3 | 6.1 | 6 |
PLL | T3D2 | 20 | 0.3 | 5.4 | 6 |
CL | T3D2 | 20 | 0.3 | 46.6 | 25 |
LF | T3D2 | 1.5 | 0.3 | 50.1 | 5 |
LAD | T3D2 | 10 | 0.3 | 5.0 | 3 |
AL | T3D2 | 7 | 0.3 | 22.0 | 2 |
MT | T3D2 | 10 | 0.3 | 6.0 | 5 |
Suboccipital group | T3D2 | 150 | 0.2 | – | 8 |
Implant | C3D8 | 110,000 | 0.33 | – |