.... The above seems contradiction comparing with the viewpoint on the characteristics of the Longmen shan Orogen before the Earthquake. Upstream Oil & Gas fault belt structural geology Sichuan Basin Reservoir Characterization tectonic stress field mechanism fracture characterization seismic...

... & Gas objective function Fluid Dynamics calculation optimization problem tectonic stress field machine learning flow in porous media boundary load Optimization Method strain energy density inversion calculation equation constraint field inverse analysis technology study MPa stress field...

... ABSTRACT: According to the stress state and force source character, the recent tectonic stress field of China is preliminary divided into four classes. Among them, there are two first order districts, four second order districts, five third order districts and twenty-six fourth order districts...

... stress district, Jiashi and its adjacent stress district and Urumchi and its adjacent district, respectively. Besides, we also get the generally characteristic of recent tectonic stress field in Tienshan area. First, its direction of the maximum compressional stress is about in N-S direction...