A Finite Element Study of the Dynamic Response of Brain Based on Two Parasagittal Slice Models

Table 1

Material definition of model components.

(a)

Part	Material law	(kg/m^3)	(MPa)	(kPa)	(kPa)	(s^−1)	References
White matter	Viscoelastic	1140	2190	12.5	2.5	80	[18, 19]
Gray matter	Viscoelastic	1140	2190	10	2.0	80	[18, 19]
Corpus callosum	Viscoelastic	1140	2190	12.5	2.5	80	[18, 19]
Brain stem	Viscoelastic	1140	2190	22.5	4.5	80	[18–20]
CSF	Viscoelastic	1040	1050	1.0	0.9	80	[18–20]

(b)

Part	Material law	(kg/m^3)	(MPa)	Poisson’s ratio	References
Skull	Elastic	2070	15000	0.2	[19, 21]