Table 4:

Model outputs for bundle mechanical properties corresponding to various cases

Case	$E$ [GPa]	${ϵ}_y$ · 10−3	${\sigma }_y$ [MPa]	${ϵ}_{\mathit{\text{ult}}}$ ·10−2	${\sigma }_{\mathit{\text{ult}}}$[GPa]	$U_T$ [MJ/m3]
(1) Baseline (mature bone)	18.2	7.29	101	1.18	113	2.34
(2) Elderly bone	16.0	6.74	89.3	0.95	106	1.63
(3) Morphological aging	17.9	6.57	86.2	1.21	99.7	2.54
(4) Porosity increase	16.3	6.46	85.5	1.18	100	2.08
(5) Material aging	18.2	8.79	130	0.94	133	1.67
(6) Morphological aging & porosity increase	16.0	5.78	71.2	1.21	88.6	2.28
(7) Morphological & material aging	17.9	7.83	110	0.98	124	1.81
(8) Material aging & porosity increase	16.3	7.43	104	0.94	120	1.48
Brittle mature	18.2	6.5	86.6	0.57	91.6	0.51
Brittle elderly	16.0	5.90	74.4	0.54	76.0	0.58