Table 10.

Degree of multiaxiality h, critical value of total strain ε _ertr and factor $\left(\sqrt{E{\epsilon }_{\mathit{ertr}}/R_e}\right)$

Cases	Specimens	2D FEA			3D FEA
		h	ε ertr [%]	$\sqrt{E{\epsilon }_{\mathit{ertr}}/R_e}$	h	ε ertr [%]	$\sqrt{E{\epsilon }_{\mathit{ertr}}/R_e}$
H	SNH	0.33	0.6	3	0.47	3.2	2.2
	SWHE	0.33	0.6	3	0.46	3.5	2.28
	SWHA	0.33	0.6	3	0.46	3.5	2.27
M	SNH	0.33	0.6	3.24	0.47	3.2	1.37
	SWHE	0.33	0.6	3.24	0.46	3.5	2.46
	SWHA	0.33	0.6	3.24	0.46	3.4	2.45
L	SNH	0.33	0.6	3.38	0.47	3.2	2.48
	SWHE	0.33	0.6	3.39	0.46	3.5	2.58
	SWHA	0.33	0.6	3.39	0.46	3.4	2.56

These values were obtained for the cortical bone considered as ductile material for 2D and 3D FEA