A review of recent development for the CFD-DEM investigations of non-spherical particles
The coupling between fluid and granular materials is commonly encountered in nature and
engineering practice. Moreover, the shape of granular materials in practical applications is …
engineering practice. Moreover, the shape of granular materials in practical applications is …
A digital twin hierarchy for metal additive manufacturing
Digital twins present a conceptual framework for product life-cycle monitoring and control
using a simulated replica of the physical system. Since their emergence, they have garnered …
using a simulated replica of the physical system. Since their emergence, they have garnered …
The effect of recoater geometry and speed on granular convection and size segregation in powder bed fusion
In metal additive manufacturing (AM), powder bed fusion technologies such as selective
laser melting and binder jetting rely on the spreading of fine metal powder to build up the …
laser melting and binder jetting rely on the spreading of fine metal powder to build up the …
Particle scale modelling of powder recoating and melt pool dynamics in laser powder bed fusion additive manufacturing: a review
Particle scale modelling of the process physics involved in laser powder bed fusion (LPBF)
is a recent research hotspot, and many efforts have been made in the literature. However, a …
is a recent research hotspot, and many efforts have been made in the literature. However, a …
Smart recoating: A digital twin framework for optimisation and control of powder spreading in metal additive manufacturing
We present a new framework for learning novel operational strategies and dynamically
controlling the layering process in metal additive manufacturing. Metal additive …
controlling the layering process in metal additive manufacturing. Metal additive …
Modelling and simulation of metal additive manufacturing processes with particle methods: A review
M Afrasiabi, M Bambach - Virtual and Physical Prototyping, 2023 - Taylor & Francis
The critical role that numerical simulation plays in additive manufacturing has stimulated
research on the effectiveness and potential applications of mesh-free, particle-based …
research on the effectiveness and potential applications of mesh-free, particle-based …
[HTML][HTML] Modelling the influences of powder layer depth and particle morphology on powder bed fusion using a coupled DEM-CFD approach
Optimising the quality of metal parts produced by additive manufacturing requires an
understanding of how the powder characteristics impact both layer spreading and the …
understanding of how the powder characteristics impact both layer spreading and the …
Multi-layer thermo-fluid modeling of powder bed fusion (PBF) process
B Fotovvati, K Chou - Journal of Manufacturing Processes, 2022 - Elsevier
In this study, a 3D thermo-fluid computational method has been developed and employed to
simulate the laser powder bed fusion (PBF) process. The particular objective is to …
simulate the laser powder bed fusion (PBF) process. The particular objective is to …
[HTML][HTML] Powder spreading over realistic laser melted surfaces in metal additive manufacturing
Powder recoating is a key step in metal Additive Manufacturing (AM) processes where
powder is spread across laser processed surfaces to add material for the next layer …
powder is spread across laser processed surfaces to add material for the next layer …
Melt pool dynamics and pores formation in multi-track studies in laser powder bed fusion process
In this work, the multi-physics of interactions between scanning tracks in laser powder bed
fusion (LPBF) is investigated numerically by a CFD-based model. The results show that the …
fusion (LPBF) is investigated numerically by a CFD-based model. The results show that the …