A Stochastic Model of Stress Evolution in a Bolted Structure in the Presence of a Joint Elastic Piece: Modeling and Parameter Inference

Table 4

Euler-maximum likelihood estimation of the parameters , , and for different elastic piece thicknesses.

Thickness (mm)	Parameter estimation
	0	1.18468927	0.01167707	0.22097886
0.1	1.18581822	0.01228712	0.22727400
0.2	1.180558422	0.008790051	0.225317436
0.3	1.181756874	0.009602489	0.221970306
0.4	1.182099792	0.009846698	0.215053257
0.5	1.18509170	0.01187883	0.22262422
0.6	1.18583600	0.01242017	0.22572033
0.7	1.18519627	0.01178613	0.22318094
0.8	1.182537373	0.009997622	0.221740906
0.9	1.2522960	−0.2012549	−0.8309588
1.0	1.18519627	0.01178613	0.22318094
1.1	1.182297143	0.009987085	0.217539627
1.2	1.181672416	0.009427385	0.218533872
1.3	1.181976021	0.009628434	0.218214562
1.4	1.18539929	0.01215588	0.22313173
1.5	1.18322684	0.01045432	0.22340075
1.6	1.1852761	0.01204753	0.22369206
1.7	1.18501296	0.01188262	0.21906066
1.8	1.181932970	0.009618655	0.216498734
1.9	1.181091762	0.009271733	0.224089725
2.0	1.18589145	0.01253209	9.22427855