Table I.
Elastic and fracture material properties of constituents comprising head–neck model.
| Density (g cc−1) | Bulk modulus (MPa) | Shear modulus (MPa) | Young’s modulus (MPa) | Poisson’s ratio | Yield stress (MPa) | Failure strain (%) | Fracture stress (MPa) | |
|---|---|---|---|---|---|---|---|---|
| Skull | 1.21 | 4762 | 3279 | 8000 | 0.22 | 95 | 1.6 | 77.5 |
| White matter | 1.04 | 2371 | Table II | – | 0.49 | – | – | – |
| Grey matter | 1.04 | 2371 | Table II | – | 0.49 | – | – | – |
| Falx & Tentorium | 1.133 | 105 | 10.86 | 31.5 | 0.45 | – | – | – |
| CSF | 0.9998 | 1960 | – | – | – | – | – | – |
| Muscle & Scalp | 1.20 | 34.8 | 5.88 | 16.7 | 0.42 | – | – | – |
| Dry air | 1.22e-3 | Tabular | – | – | – | – | – | – |