An inherent strain based multiscale modeling framework for simulating part-scale residual deformation for direct metal laser sintering

Q Chen, X Liang, D Hayduke, J Liu, L Cheng… - Additive …, 2019 - Elsevier
Residual distortion is a major technical challenge for laser powder bed fusion (LPBF)
additive manufacturing (AM), since excessive distortion can cause build failure, cracks and …

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 …

Relaxation methods for measuring residual stresses: techniques and opportunities

GS Schajer - Experimental mechanics, 2010 - Springer
Relaxation methods, also called “destructive” methods, are commonly used to evaluate
residual stresses in a wide range of engineering components. While seemingly less …

A comprehensive comparison of modeling strategies and simulation techniques applied in powder-based metallic additive manufacturing processes

Y Jia, H Naceur, Y Saadlaoui, L Dubar… - Journal of Manufacturing …, 2024 - Elsevier
Additive manufacturing processes have been attracting extensive attention and developing
greatly in recent years. These processes have been widely studied by industrial and …

Limitations of the inherent strain method in simulating powder bed fusion processes

M Bugatti, Q Semeraro - Additive Manufacturing, 2018 - Elsevier
Process optimization has always been a crucial step for effective usage of metal additive
manufacturing (AM) processes: it consists in establishing quantitative relations between final …

[HTML][HTML] Benchmarking build simulation software for laser powder bed fusion of metals

N Peter, Z Pitts, S Thompson, A Saharan - Additive Manufacturing, 2020 - Elsevier
With additive manufacturing being rapidly integrated into mainstream manufacturing, there is
a need to predict and eliminate any distortions in the manufactured parts. Simulation …

An adaptive finite element strategy for the numerical simulation of additive manufacturing processes

J Baiges, M Chiumenti, CA Moreira, M Cervera… - Additive …, 2021 - Elsevier
In this work an adaptive Finite Element strategy to deal with the numerical simulation of
Additive Manufacturing (AM) processes is presented. The Selective Laser Melting (SLM) is …

A level-set based continuous scanning path optimization method for reducing residual stress and deformation in metal additive manufacturing

Q Chen, J Liu, X Liang, AC To - Computer Methods in Applied Mechanics …, 2020 - Elsevier
Thermal residual stress and distortion inherent in metal melting and solidification process is
the main cause of build failure in metal additive manufacturing (AM) techniques such as …

[HTML][HTML] Evaluation of residual stresses and strains using the eigenstrain reconstruction method

TS Jun, AM Korsunsky - International Journal of Solids and Structures, 2010 - Elsevier
The study of residual stress has long been an important research field in science and
engineering, due to the fact that uncontrolled residual stresses are detrimental to the …

[HTML][HTML] Design guidelines for suppressing distortion and buckling in metallic thin-wall structures built by powder-bed fusion additive manufacturing

G Vastola, WJ Sin, CN Sun, N Sridhar - Materials & Design, 2022 - Elsevier
Controlling distortion in laser powder-bed fusion additive manufacturing is of critical
importance especially for thin-wall structures, which typically experience significant …