MCMC-Based Fatigue Crack Growth Prediction on 2024-T6 Aluminum Alloy

Table 10

Parameter estimate of fatigue crack propagation curve.

Specimen	Based on prior distribution and test data				Only based on test data
	Case I: no test data		Case II: first test point		Case III: only first test point		Case IV: ten test point
	θ1	θ2	θ1	θ2	θ1	θ2	θ1	θ2
Number 5	3.1390	−0.4979	2.6035	−0.3172	0.8838	−2.4941	2.6938	−0.3901
Number 6	3.1390	−0.4979	3.0037	−0.4595	2.3531	−1.3182	2.9778	−0.3122
Number 7	3.1390	−0.4979	2.8857	−0.4128	3.1199	−0.2654	2.9766	−0.3517