Nowadays acoustic emission (AE) testing based on the Kaiser Effect (KE) is increasingly used to estimate the in-situ stress in laboratories. In this work, this effect is assessed on cylindrical specimens in numerical simulations of the cyclic loadings including loading, unloading, and re-loading cycles using a 3D code called the particle flow code (PFC) based upon the distinct element method. T...

In this paper, we present a 3D topography simulator, socalled 3D-SURFILER(SURface proFILER), to model a complicated 3D structure on the substrate for gigabit DRAMs. The 3D-SURFILER comprises a deposition and etching simulator employing a cell advancing scheme and a parallel computational numerical engine. An MIM (MetalInsulator-Metal) stacked capacitor [1] has been chosen to verify the validity...

The helix geometry model of 3D braided composites has been presented, which truly reflects the braided manner and coincides with the actual configuration of the braided composites. The longitudinal tensile stress-strain relationships and the strength of 3D braided composites under the tension loading have been predicted by a finite multiphase element method (FMEM) based on the helix geometry mo...

We have developed a three dimensional numerical model based on the two-phase equations to study the bed-load transport Chauchat and Médale (2009). We have considered two formulations of the model based on a two fluid or a single mixed-fluid description. The governing equations are discretized by a finite element method and a penalisation method is introduced to cope with the incompressibility c...

In this paper we investigate a microfluidic device designed for separation of particles having different densities. Separating mechanism employs Standing Surface Acoustic Waves (SSAWs). Simulation studies have shown that Polyethylene microspheres with diameter of 10μm, having a density of 1200 kg/m3, can easily be detected from the same sized Melamine microspheres having a density equal to 1710...