Powder bed fusion is one of the most common types of additive manufacturing processes
using granular materials. In this field, improvements in the processing of materials and …

Additive Manufacturing concentrates the attention, not only of the research and academic
community, but of the industry as well. Selective Laser Melting (SLM) and Selective Laser …

Mathematical models provide valuable insight into the Laser Beam Powder Bed Fusion
(PBF-LB) process. Numerical modelling of the PBF-LB process and the influence of the …

We present a semi-coupled resolved Computational Fluid Dynamics (CFD) and Discrete
Element Method (DEM) to simulate a class of granular media problems that involve thermal …

Laser-based metal processing including welding and three dimensional printing, involves
localized melting of solid or granular raw material, surface tension-driven melt flow and …

Many additive manufacturing (AM) technologies rely on powder feedstock, which is fused to
form the final part either by melting or by chemical binding with subsequent sintering. In both …

Laser powder bed fusion represents the future for metal additive manufacturing. Advance of
this emerging technology is bottlenecked by the unavailability of high-fidelity prediction tools …

Problems with the laser additive manufacturing of metal parts related to its low efficiency are
known to hamper its development and application. The method of selective laser melting of …

In selective laser melting (SLM), three-dimensional parts are build up from a metal powder
bed by layer-wise melting with a laser. While SLM offers a high flexibility in geometrical …

The critical role that numerical simulation plays in additive manufacturing has stimulated
research on the effectiveness and potential applications of mesh-free, particle-based …