Component | Young’s modulus (MPa) | Poisson’s ratio | Element type |
---|---|---|---|
Cortical bone and endplate | 12,000.0 | 0.3 | Triangular shell element |
Cancellous bone | 100.0 | 0.25 | Tetrahedral element |
Disc annulus | 3.4 | 0.4 | Hexahedral element |
Disc nucleus | 1.0 | 0.49 | Hexahedral element |
CoCr alloy | 210,000.0 | 0.3 | Tetrahedral element |
UHMWPE | 3000.0 | 0.3 | Tetrahedral element |
Ligament | Nonlinear tension only connector |