TABLE 2.
Material properties of the extracranial contents of the head model.
| Density (g/cm3) | Young’s (GPa) | Poisson’s ratio | Yield stress (GPa) | Tangent | Failure maximum principal strain | |
|---|---|---|---|---|---|---|
| Skull-Tables | 2.1 | 15 | 0.25 | 0.09 | 0.5 | 0.0088 |
| Skull-Diploe | 1 | 0.6 | 0.3 | 0.004 | 0.02 | |
| Facial Cortical bones | 2.1 | 6 | 0.25 | 0.05 | 0.3 | 0.0078 |
| Facial Spongy bones | 2.1 | 0.3 | 0.25 | 0.006 | 0.03 | |
| Nose-Septal | 2.1 | 0.02 | 0.45 | 0.0002 | 0.005 | 0.0078 |
| Density (g/cm3) | Bulk (GPa) | Short-term shear modulus (MPa) | Long-term shear modulus (MPa) | Decay (s−1) | ||
| Facial Flesh | 1.1 | 0.005 | 0.68 | 0.28 | 3.0e-02 | |
| Scalp | 1.1 | 0.02 | 8.5 | 3.4 | 3.0e-02 | |
| Skin | Density (g/cm3) | μ 1 (MPa) | μ 2 (MPa) | μ 3 (MPa) | g1 (MPa) | g2 (MPa) | g3 (MPa) | g4 (MPa) |
| 1.06 | 0.6 | 0.473 | -0.14 | 1.35 | 24.08 | 97.73 | 839.1 | |
| Poisson’s | α1 | α2 | α3 | β1 | β2 | β3 | β4 | |
| 0.4999 | −0.971 | −2.393 | −3.85 | 0.00031 | 0.0167 | 0.07967 | 1.246 |