[HTML][HTML] A review of multi-scale and multi-physics simulations of metal additive manufacturing processes with focus on modeling strategies

M Bayat, W Dong, J Thorborg, AC To, JH Hattel - Additive Manufacturing, 2021 - Elsevier
Numerical simulations have recently shown their potential as a robust, cheap and reliable
tool for predicting the quality of components produced by metal additive manufacturing …

[HTML][HTML] Holistic computational design within additive manufacturing through topology optimization combined with multiphysics multi-scale materials and process …

M Bayat, O Zinovieva, F Ferrari, C Ayas… - Progress in Materials …, 2023 - Elsevier
Additive manufacturing (AM) processes have proven to be a perfect match for topology
optimization (TO), as they are able to realize sophisticated geometries in a unique layer-by …

Temperature-dependent modified inherent strain method for predicting residual stress and distortion of Ti6Al4V walls manufactured by wire-arc directed energy …

W Dong, XA Jimenez, AC To - Additive Manufacturing, 2023 - Elsevier
As an additive manufacturing (AM) process, wire-arc directed energy deposition (DED) has
drawn increasing attention due to its ability to print large metal parts. However, the heat …

Laser based additive manufacturing of tungsten: Multi-scale thermo-kinetic and thermo-mechanical computational model and experiments

S Sharma, KVM Krishna, SS Joshi, M Radhakrishnan… - Acta Materialia, 2023 - Elsevier
Coupling a multi-scale thermo-kinetic and thermo-mechanical model with critical
experiments, the present study investigates the role of process parameters on the resulting …

A novel high-efficient finite element analysis method of powder bed fusion additive manufacturing

Y Cao, X Lin, N Kang, L Ma, L Wei, M Zheng, J Yu… - Additive …, 2021 - Elsevier
This paper aims to develop a high-efficient finite element (FE) model by combining the
equivalent boundary condition method (EBCM) and dynamic mesh method (DMM) for …

[HTML][HTML] Thermo-mechanical approach to study the residual stress evolution in part-scale component during laser additive manufacturing of alloy 718

UP Singh, S Swaminathan, G Phanikumar - Materials & Design, 2022 - Elsevier
Abstract Laser Additive Manufacturing (LAM) is a promising technology for manufacturing
gas turbine components with enhanced design capability and a significant reduction in part …

Deformation constrained support-structure optimization for laser powder bed fusion

SC Subedi, DJ Thoma, K Suresh - Additive Manufacturing, 2024 - Elsevier
Support structures act as primary conduits for heat flow in laser powder bed fusion (LPBF).
Frame supports, as opposed to block-type supports, have proven to be a good choice for …

Part scale estimation of residual stress development in laser powder bed fusion additive manufacturing of Inconel 718

P Promoppatum, V Uthaisangsuk - Finite Elements in Analysis and Design, 2021 - Elsevier
Residual stress has been among the primary problems in the laser powder bed fusion
(LPBF) additive manufacturing. Nevertheless, complex physics and multi-scale nature of the …

Analytical modelling of scanning strategy effect on temperature field and melt track dimensions in laser powder bed fusion

PR Zagade, BP Gautham, A De, T DebRoy - Additive Manufacturing, 2024 - Elsevier
The manufacture of defect-free and dimensionally accurate parts in laser powder bed fusion
(LPBF) is influenced by temperature field, deposited track geometry, and process-induced …

[HTML][HTML] Multi-scale model to simulate stress directionality in laser powder bed fusion: Application to thin-wall part failure

R Tangestani, A Chakraborty, T Sabiston, L Yuan… - Materials & Design, 2023 - Elsevier
In this study, line heat inputs are lumped to improve the computational efficiency while
preserving stress directionality in laser powder bed fusion (LPBF). The lumped hybrid line …