Table 9.

Sensitivity of discrete parameters, β_ch for characteristic crack size and β_fic for fictitious crack extension, on calculated tensile strength f_t and fracture toughness K_IC.

β ch	β fic	f t			K IC
		Mean Value (MPa)	Standard Deviation (MPa)	Coefficient of Variation	Mean Value ($\mathbf{M}\mathbf{P}\mathbf{a}·\sqrt{\mathbf{m}}$)	Standard Deviation ($\mathbf{M}\mathbf{P}\mathbf{a}·\sqrt{\mathbf{m}}$)	Coefficient of Variation
1.0	0.5	5.79	0.79	0.14	1.83	0.25	0.14
1.0	1.0	5.06	0.72	0.14	1.60	0.23	0.14
1.0	1.5	4.50	0.68	0.15	1.42	0.21	0.15
1.0	2.0	4.05	0.64	0.16	1.28	0.20	0.16
1.5	0.5	5.52	0.76	0.14	2.14	0.30	0.14
1.5	1.0	4.83	0.70	0.14	1.87	0.27	0.14
1.5	1.5	4.29	0.65	0.15	1.66	0.25	0.15
1.5	2.0	3.87	0.61	0.16	1.50	0.24	0.16
2.0	0.5	5.39	0.75	0.14	2.41	0.33	0.14
2.0	1.0	4.71	0.68	0.14	2.11	0.30	0.14
2.0	1.5	4.19	0.64	0.15	1.87	0.28	0.15
2.0	2.0	3.77	0.60	0.16	1.69	0.27	0.16
2.5	0.5	5.30	0.74	0.14	2.65	0.37	0.14
2.5	1.0	4.63	0.67	0.14	2.32	0.34	0.14
2.5	1.5	4.12	0.63	0.15	2.06	0.31	0.15
2.5	2.0	3.71	0.59	0.16	1.85	0.30	0.16