<正>An appropriate coupled cohesive law for predicting the mixed mode failure is established by combining normal separation and tangential separation of surface
<正>The optimality Kuhn-Tucker condition and the wolfe duality for the prein-vex set-valued optimization are investigated. Firstly, the concepts of alpha-order
The pile-soil system is regarded as a visco-elastic half-space embedded pile. Based on the method of continuum mechanics, a nonlinear mathematical model of pile