Table 1.

Material properties of the pelvic bone [14–16].

Tissue	Elasticity modulus (MPa)	Poisson ratio (ν)	Thickness (mm)	Element number	Node number
Bone
Cortical bone (sacrum)	17000	0.3	1.50	8752	17412
Cancellous bone (sacrum)	150	0.2		18524	22960
Cortical bone (ilium)	17000	0.3	1.50	7764∗2	14687∗2
Cancellous bone (ilium)	150	0.2		15809∗2	18628∗2
Cortical bone (femur)	17000	0.3	1.50	3151∗2	6304∗2
Cancellous bone (femur)	150	0.2		7856∗2	9520∗2
Soft tissues
End-plate (sacrum)	24	0.4	0.23	1493∗2	1098∗2
Cartilage (sacrum)	54	0.4	1.81	468∗2	1036∗2
Cartilage (ilium)	54	0.4	0.80	468∗2	1036∗2
End-plate (ilium)	24	0.4	0.36	483∗2	1036∗2
Pubic symphysis	5	0.495		246	396