TABLE 2.
Material parameters used in SurHUByx FEM.
| Tissues | Bones | Cartilage | Mediastinum | Internal organs | Muscle | Skin |
|---|---|---|---|---|---|---|
| Manufacturable material | Polyurethane resin | Elastomeric resin | Gel based on SEBS | Gel based on SEBS | Gel based on SEBS | Vinyl |
| Material model | Elasto-plastic Johnson Cook | Elastic | Elastic | Ogden | Elastic | Ogden |
| Density (kg/m 3 ) | 1220 | 1000 | 1000 | 880 | 1000 | 1500 |
| Young’s modulus (MPa) | 2225 | 16 | 0.05 | - | 10 | - |
| Fracture plastic strain (-) | 0.03 | - | - | - | - | - |
| Yield stress (MPa) | 16.5 | - | - | - | - | - |
| Poisson’s ratio (-) | 0.33 | 0.35 | 0.45 | 0.495 | 0.45 | 0.499 |
| Mu 1 | - | - | - | (Time-dependent) | - | 0.318 |
| Mu 2 | - | - | - | - | -0.401 | |
| Alpha 1 | - | - | - | 2 | - | 1.492 |
| Alpha 2 | - | - | - | -2 | - | -3.316 |