Bayesian Uncertainty Identification of Model Parameters for the Jointed Structures with Nonlinearity

Table 2

Parameter identification results in case study 1.

Parameter	True value	Identification value
		n = 1		n = 5		n = 50
a	15	15.252	1.68%	15.146	0.97%	14.984	−0.11%
b	−250	−252.70	1.08%	−251.69	0.68%	−249.81	−0.08%
c	2000	2002.9	0.15%	2002.7	0.14%	1999.7	−0.02%
σ	0.02	0.01905	−4.77%	0.02004	0.20%	0.02054	2.68%