Table 5 Brain tissue material properties and characteristics used for the UCDBTM components.

From: A novel repetitive head impact exposure measurement tool differentiates player position in National Football League

Material

Young’s modulus (MPa)

Poisson’s ratio

Density (kg/m3)

Scalp

16.7

0.42

1000

Cortical Bone

15000

0.22

2000

Trabecular Bone

1000

0.24

1300

Dura

31.5

0.45

1130

Pia

11.5

0.45

1130

Falx and Tentorium

31.5

0.45

1130

Brain

Hyperelastic

0.499981

1040

CSF

Water

0.5

1000

Facial Bone

5000

0.23

2100

 

Shear Modulus (kPa)

Decay Constant (s−1)

Bulk Modulus (GPa)

G0

G∞

Cerebellum

10

2

80

2.19

Brain Stem

22.5

4.5

80

2.19

White Matter

12.5

2.5

80

2.19

Grey Matter

10

2

80

2.19