Deep wellbores/boreholes are generally drilled into rocks for oil and gas exploration,monitoring of tectonic stresses pu......

本文研究了集中载荷作用下，一种一次超静定理想弹性矩形横截面梁的全部受力变形过程。...

The stress and deformation fields near the tip of a mode-I dynamic crack steadilypropagating in an elastic-perfectly pla......