Table 6.
A summary of the properties of the head model components used in this study. K represents the bulk modulus while EA is the force/unit strain. The brain is assigned the hyperviscoelastic fibre-reinforced anisotropic material.
| tissue | Young's modulus (MPa) | density (kg dm−3) | Poisson's ratio |
|---|---|---|---|
| outer compact bone | 15 000 | 2.00 | 0.22 |
| inner compact bone | 15 000 | 2.00 | 0.22 |
| porous bone | 1000 | 1.30 | 0.24 |
| neck bone | 1000 | 1.30 | 0.24 |
| cerebrospinal fluid | K = 2.1 GPa | 1.00 | — |
| brain | GOH material | 1.04 | — |
| sinuses | K = 2.1 GPa | 1.00 | — |
| dura mater | 31.5 | 1.13 | 0.45 |
| falx | 31.5 | 1.13 | 0.45 |
| tentorium | 31.5 | 1.13 | 0.45 |
| pia mater | 11.5 | 1.13 | 0.45 |
| bridging veins | EA = 1.9 N | — | — |