Research Article
Characterization of Closed Head Impact Injury in Rat
Table 1
Material properties of the rat head components [
13–
17].
| (a) Elastic material properties |
| | Component | Density (kg/m3) | Young’s modulus (MPa) | Poisson’s ratio (/) |
| | Skull | 1710 | 6000 | 0.3 |
|
|
| (b) Viscoelastic material properties |
| | Component | Density (kg/m3) | Short-term shear modulus (kPa) | Long-term shear modulus (kPa) | Decay constant (ms) |
| | Cerebrum | 1040 | 1.72 | 0.51 | 20 | | Cerebellum | 1040 | 1.20 | 0.36 | 20 | | Hippocampus | 1040 | 4.06 | 0.61 | 20 |
|
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