[HTML][HTML] A review of residual stress and deformation modeling for metal additive manufacturing processes

A Rashid, A Gopaluni - Chinese Journal of Mechanical Engineering …, 2023 - Elsevier
A metal additive manufacturing process results in a nearly net-shaped fabrication of parts
directly from digital data. A local heat source melts the deposited material, and a part is built …

A modified method for estimating inherent strains from detailed process simulation for fast residual distortion prediction of single-walled structures fabricated by …

X Liang, L Cheng, Q Chen, Q Yang, AC To - Additive Manufacturing, 2018 - Elsevier
Predicting residual distortion in metal additive manufacturing (AM) is important to ensure
quality of the fabricated component. The inherent strain method is ideal for this purpose, but …

Finite element modeling and validation of thermomechanical behavior of Ti-6Al-4V in directed energy deposition additive manufacturing

Q Yang, P Zhang, L Cheng, Z Min, M Chyu, AC To - Additive Manufacturing, 2016 - Elsevier
Thermally induced residual stresses and residual distortions in the additive manufactured
(AM) parts are two of the major obstacles that are preventing AM technology from gaining …

Experimental-based methodology for the double ellipsoidal heat source parameters in welding simulations

JH Chujutalli, MI Lourenço, SF Estefen - Marine Systems & Ocean …, 2020 - Springer
The welding numerical simulation involves thermal and mechanical analyses and
metallurgical consideration. The thermal analysis determines the transient temperature …

[HTML][HTML] A novel systematic numerical approach on determination of heat source parameters in welding process

N Moslemi, S Gohery, B Abdi, I Sudin… - Journal of Materials …, 2022 - Elsevier
The double-ellipsoidal heat source concept, established by Goldak, has been extensively
employed to represent the energy distribution in a broad range of arc welding simulation …

Studies on ballistic impact of the composite panels

YBS Sastry, PR Budarapu, Y Krishna… - Theoretical and Applied …, 2014 - Elsevier
The ballistic impact of the composite materials is studied using the numerical models.
Individual impact studies are conducted on the composite plate made-up of woven fabric …

Parameter determination of double-ellipsoidal heat source model and its application in the multi-pass welding process

G Fu, J Gu, MI Lourenco, M Duan… - Ships and offshore …, 2015 - Taylor & Francis
The parameters of the heat source model have significant influence on the temperature field
and sequentially affect the residual stress field. In this paper, a neural-network programme …

A three-dimensional numerical simulation model for weld characteristics analysis in fiber laser keyhole welding

Y Ai, P Jiang, X Shao, P Li, C Wang - … Journal of Heat and Mass Transfer, 2017 - Elsevier
The weld geometry characteristics are highly related to the mechanical properties and
performance of the joints. The top surface of the weld is often assumed as the flat surface …

Residual stresses in gas tungsten arc welding: a novel phase-field thermo-elastoplasticity modeling and parameter treatment framework

B Ali, Y Heider, B Markert - Computational Mechanics, 2022 - Springer
The fusion welding process of metallic components, such as using gas tungsten arc welding
(GTAW), is often accompanied by detrimental deformations and residual stresses, which …

Simulation of bench blasting considering fragmentation size distribution

P Yan, W Zhou, W Lu, M Chen, C Zhou - International Journal of Impact …, 2016 - Elsevier
Reasonable simulation of the bench blasting has great significance on designing of rock
blasting, and the proper consideration of blasting fragmentation size has strong influence on …