From: Analysis and improvement of the three-column spinal theory
Material | Young’s Modulus (MPa) | Poisson’s Ratio | Area (mm2) | Element type | Element numbers |
---|---|---|---|---|---|
Cortical bone | 12,000.00 | 0.30 | – | C3D4 | 340,465 |
Cancellous bone | 100.00 | 0.20 | – | C3D4 | 413,282 |
Endplate | 25.00 | 0.25 | – | C3D8R | 46,849 |
Nucleus pulposus | 0.20 | 0.49 | – | C3D8R | 84,761 |
Annulus ground substance | 4.00 | 0.40 | – | C3D8R | 163,585 |
Annulus fiber | 4.20 | 0.45 | – | truss | 726 |
Anterior longitudinal ligaments | 20.00 | 0.30 | 63.70 | spring | 30 |
Posterior longitudinal ligaments | 20.00 | 0.30 | 20.00 | spring | 30 |
Intertransverse ligament | 58.70 | 0.30 | 3.60 | spring | 30 |
Ligamentum flavum | 19.50 | 0.30 | 40.00 | spring | 30 |
Interspinous ligament | 11.60 | 0.30 | 40.00 | spring | 12 |
Supraspinous ligament | 15.00 | 0.30 | 30.00 | spring | 3 |
Capsular ligament | 32.90 | 0.30 | 60.00 | spring | 30 |