Tissue Modeling and Analyzing with Finite Element Method: A Review for Cranium Brain Imaging

Table 1

Coefficients for the viscoelastic properties for human skull.

	Elastic Modulus (GPa)		Viscosity (GPa/s)	Delay time 𝜏 (s)
	𝐸0	𝐸1	𝜂	𝜏𝛾^∗	𝜏𝑑^∗
Compression	5.69±0.26	42.24±2.09	26.9±1.5	2022±198	2292±246
Tension	13.64±0.59	51.45±2.54	57.25±4.27	3180±300	4026±372

* 𝜏_𝛾=𝜂/𝐸₀+𝐸₁,𝜏_𝑑=𝜂/𝐸₁.