Toward large-scale simulation of residual stress and distortion in wire and arc additive manufacturing
This study aims to advance the structural analysis of wire and arc additive manufacturing
(WAAM) by considering the thermomechanical features inherent in direct energy deposition …
(WAAM) by considering the thermomechanical features inherent in direct energy deposition …
[HTML][HTML] An experimental and modeling study on warping in additively manufactured overhang structures
X Gao, F Okigami, N Avedissian, W Zhang - Additive Manufacturing, 2024 - Elsevier
Printing overhang structures by laser-powder bed fusion (L-PBF) additive manufacturing
remains challenging due to warping distortion. This paper studies the warping formation of …
remains challenging due to warping distortion. This paper studies the warping formation of …
Analysis and compensation of shrinkage and distortion in wire-arc additive manufacturing of thin-walled curved hollow sections
Curved hollow sections are used in numerous applications from lightweight space frames to
pipings in process engineering. In conventional manufacturing, such structures are …
pipings in process engineering. In conventional manufacturing, such structures are …
Simulation-in-the-loop additive manufacturing for real-time structural validation and digital twin development
Ensuring end-use quality is essential for batch-produced parts, particularly for load-bearing
components, where defects can significantly compromise structural integrity. Traditionally …
components, where defects can significantly compromise structural integrity. Traditionally …
Rapid thermal modeling of wire arc additive manufacturing process using a mesh-free spectral graph theory approach
The objective of this paper is to develop, verify, and experimentally validate a mesh-free
spectral graph theory-based approach for rapid prediction of thermal history in metal parts …
spectral graph theory-based approach for rapid prediction of thermal history in metal parts …
Analysis of material property models on WAAM distortion using nonlinear numerical computation and experimental verification with P-GMAW
YHP Manurung, KP Prajadhiana, MS Adenan… - Archives of Civil and …, 2021 - Springer
This fundamental research deals with the investigation of material property model influences
on distortion induced by multi-layered Wire Arc Additive Manufacturing (WAAM) with …
on distortion induced by multi-layered Wire Arc Additive Manufacturing (WAAM) with …
Computed tomography as distortion mitigation method for selective laser sintering mass production
A Marczis, M Odrobina, Á Drégelyi-Kiss - The International Journal of …, 2024 - Springer
Most additive manufacturing (AM) technologies use heat to fuse materials together to create
the manufactured part. The heat used in the AM process distorts the parts. Powder bed …
the manufactured part. The heat used in the AM process distorts the parts. Powder bed …
Metal additive manufacturing simulation using sequentially coupled thermomechanical analysis with Johnson–Cook constitutive material model
Additive manufacturing (AM) has become one of the most revolutionary technologies for the
fabrication of metallic parts within the industry; notably, the use of existing metals has …
fabrication of metallic parts within the industry; notably, the use of existing metals has …
Warpage Mitigation through Infill Sectioning in Fused Filament
This study addresses the warpage issues in Fused Filament Fabrication (FFF) processes by
strategically dividing infills to redistribute shrinkage forces, thereby mitigating warpage. The …
strategically dividing infills to redistribute shrinkage forces, thereby mitigating warpage. The …
AFRL Additive Manufacturing Modeling Series: Challenge 1, Characterization of Residual Strain Distribution in Additively-Manufactured Metal Parts Using Energy …
A machine component fabricated by additive manufacturing (AM) of metal powders often
possesses steep residual stress gradients with significant magnitudes due to large …
possesses steep residual stress gradients with significant magnitudes due to large …