Table 1 Material properties of each component of the knee joint model
Material properties | Modulus of elasticity (MPa) | Poisson’s ratio | Shear modulus C1 | Non-shear shrinkage parameter D1 | |
|---|---|---|---|---|---|
Bone | Rigidity | – | – | – | – |
Articular cartilage | Isotropic linear elasticity | 15 | 0.3 | – | – |
Anterior Cruciate Ligament | Superelastic | – | – | 5.08 | 0.00683 |
Posterior cruciate ligament | Superelastic | – | – | 6.06 | 0.0041 |
Medial and lateral collateral ligaments | Isotropic linear elasticity | 60 | 0.3 | – | – |
Patellar ligament/quadriceps tendon | Isotropic linear elasticity | 60 | 0.3 | – | – |
Meniscus | Cross sectional isotropic | Circumferential 140 Radial 20 Axial 20 | In-plane 0.2 Out-of-plane 0.3 | – | – |