Table 1 Material property and element type of the foot model
| Â | Elastic modulus (MPa) | Poisson ratio | Cross-sectional area (mm2) | Element type |
|---|---|---|---|---|
Bone | 7300 | 0.3 | – | 4-node tetrahedron |
Cartilage | 1.01 | 0.4 | – | 4-node tetrahedron |
Ligament | 260 | 0.4 | 18.4 | Spring |
Plantar Fascia | 350 | 0.4 | – | 4-node tetrahedron |
Achilles tendon | 816 | 0.3 | – | 4-node tetrahedron |
Flexor tendon | 450 | 0.3 | 12.5 | Connector |
Plantar soft tissue | 1st Ogden incompressive hyperelastic model μ =0.0375 MPa, α =5.5 | 4-node tetrahedron | ||
Ground | Rigid | 8-node hexahedron | ||