The Optimization Algorithm for Large-Scale In Situ Stress Field

Table 6

The calculated stress in measured points by the reduced order model.

Element number	Sxx (Pa)	Error	Syy (Pa)	Error	Sxy (Pa)	Error
50136	−2.56E + 06	0.79%	−3.09E + 06	0.00%	3.48E + 05	0.29%
51467	−1.51E + 06	0.67%	−2.12E + 06	0.00%	−1.62E + 05	1.25%
8221	−3.60E + 06	0.84%	−8.14E + 06	0.00%	−5.56E + 05	0.36%
7250	−2.16E + 06	0.93%	−3.33E + 06	0.00%	−5.45E + 05	0.55%
29248	−2.87E + 06	0.70%	−7.25E + 06	0.14%	3.39E + 04	0.00%
27870	−2.51E + 06	0.80%	−5.44E + 06	0.18%	2.73E + 04	1.09%