Table 3.

FE mesh models with element size parameters for the 3D Zubal head microwave imaging simulation set-up.

model no.	max. size (mm)	min. size (mm)	max. element growth rate	curvature factor	resolution of narrow regions
air region and antenna array
	59.96	2.8	1.4	0.4	0.7
head region
1	59.96	12.6	1.5	0.6	0.5
2	59.96	7	1.45	0.5	0.6
3	59.96	0.84	1.4	0.4	0.7
4	59.96	0.56	1.35	0.3	0.85
5	59.96	1.12	1.3	0.2	1
6	59.96	0.14	1.3	0.2	1