Abstract: Study of the Krauklis wave in fractured media reveals the potential for characterizing fracture geometry. In this paper, a finite element scheme is proposed to simulate the Krauklis wave in fractures with different geometries. ...

Abstract: This study proposes a new nonlinear dynamic model of rolling bearing faults based on a collision impact system. The dynamic model accounts for the collision impact system consisting of the rolling elements and localized ...

Abstract: Owing to the limiting effect of energy, vortex rings cannot grow indefinitely and thus pinch off. In this paper, experiments on the vortex rings generated using a piston-cylinder apparatus are conducted so as to investigate ...

Abstract: A novel signal analysis technique capable of detecting periodic bursts of exponentially decaying oscillation from noisy discrete-time observations is presented. The time-frequency distribution of ...

Abstract: Rainstorms easily can cause serious secondary disasters such as waterlogging, debris flow, and flood, and the combination of these secondary disasters makes cities more vulnerable. However, to date, few studies have ...

Abstract: To explore the working mechanism of retaining a wall reinforced with denti-geogrids, the numerical simulation of a pullout test was performed, the working behavior and influencing factors were analyzed, a generalized model ...