Table 1.
Material properties of the different components of the rat head.
| Components | Density (kg m−3) | Elastic constants | Hyperelastic constants | Viscous constants | ||||
|---|---|---|---|---|---|---|---|---|
| Elastic modulus (GPa) | Poisson´s ratio | Bulk modulus (GPa) | Shear modulus (kPa) | α | Relaxation modulus ratio | Decay constant (s−1) | ||
| Skull | 1700 | 1.0 | 0.33 | |||||
| Face | 1100 | 2.0 | 2500.0 | 3.0 | 0.150 | 400 | ||
| Cerebrum | 1040 | 2.0 | 11.9 | 6.5 | 0.103 | 990 | ||
| Cerebellum | 1040 | 2.0 | 8.3 | 8.2 | 0.274 | 402 | ||
| Brainstem | 1040 | 2.0 | 12.3 | 4.7 | 0.112 | 1081 | ||
| Cerebral vasculature | 1040 | 2.0 | 525.0 | 7.5 | ||||
α material constant