Numerical simulation is an efficient way to better understand the thermal and mechanical evolution during metal additive manufacturing (AM) and to design and optimize the process. However, with today’s computational tools, pass-bypass thermal-mechanical numerical simulation of the metal AM process is extremely time-consuming. In this study, a new finite element code recently developed in house at Oak Ridge National Lab was used for additive manufacturing simulation. Our new code effectively utilizes GPU based high-performance computers to allow for realistic simulation of the transient thermal and mechanical response of materials during additive manufacturing. A benchmark study on a cylinder model by powder bed selective laser melting was carried out and distortion profile was compared to the experimental measurements. The accuracy and efficiency of the code was also demonstrated by analyzing a wire and arc additive manufacturing (WAAM) model which consists of a base plate and four deposited layers.
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ASME 2018 Pressure Vessels and Piping Conference
July 15–20, 2018
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5167-8
PROCEEDINGS PAPER
Stress and Distortion Simulation of Additive Manufacturing Process by High Performance Computing
Hui Huang,
Hui Huang
Oak Ridge National Laboratory, Oak Ridge, TN
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Jian Chen,
Jian Chen
Oak Ridge National Laboratory, Oak Ridge, TN
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Blair Carlson,
Blair Carlson
General Motors R&D, Warren, MI
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Hui-Ping Wang,
Hui-Ping Wang
General Motors R&D, Warren, MI
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Paul Crooker,
Paul Crooker
Electric Power Research Institute, Palo Alto, CA
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Gregory Frederick,
Gregory Frederick
Electric Power Research Institute, Charlotte, NC
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Zhili Feng
Zhili Feng
Oak Ridge National Laboratory, Oak Ridge, TN
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Hui Huang
Oak Ridge National Laboratory, Oak Ridge, TN
Jian Chen
Oak Ridge National Laboratory, Oak Ridge, TN
Blair Carlson
General Motors R&D, Warren, MI
Hui-Ping Wang
General Motors R&D, Warren, MI
Paul Crooker
Electric Power Research Institute, Palo Alto, CA
Gregory Frederick
Electric Power Research Institute, Charlotte, NC
Zhili Feng
Oak Ridge National Laboratory, Oak Ridge, TN
Paper No:
PVP2018-85045, V06AT06A009; 5 pages
Published Online:
October 26, 2018
Citation
Huang, H, Chen, J, Carlson, B, Wang, H, Crooker, P, Frederick, G, & Feng, Z. "Stress and Distortion Simulation of Additive Manufacturing Process by High Performance Computing." Proceedings of the ASME 2018 Pressure Vessels and Piping Conference. Volume 6A: Materials and Fabrication. Prague, Czech Republic. July 15–20, 2018. V06AT06A009. ASME. https://doi.org/10.1115/PVP2018-85045
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