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Efficient Prediction of Thermal History in Wire and Arc Additive Manufacturing Combining Machine Learning and Numerical Simulation by Van Thao Le; Manh Cuong Bui; Thinh Quy Duc Pham; Hoang Son Tran; Xuan Van Tran is a Engineering article available to read on EtoBox.

What is Efficient Prediction of Thermal History in Wire and Arc Additive Manufacturing Combining Machine Learning and Numerical Simulation about?

Among metallic additive manufacturing technologies, wire and arc additive manufacturing (WAAM) has been recently adopted to manufacture large industrial components. In this process, controlling the temperature evolution is very important since it directly influences the quality of the deposited parts. Typically, the temperature history in WAAM can be obtained through experiments and/or numerical simulations, which are generally time-consuming and expensive. In this research, we developed a robust surrogate model (SM) for predicting the temperature history in WAAM based on the combination of machining learning (ML) and finite element (FE) simulation. The SM model was built to predict the temperature history in the WAAM of single weld tracks. For this purpose, the FE model was first developed and validated against experiments. The FE model was subsequently used to generate the data to train ML models based on feed-forward neural network (FFNN). The trained SM model can fast and accurately predict the temperature history in the cases which were not previously used for training with a very high accuracy of more than 99% and in a very short time with only 38 s (after being trained) as c

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Author

Van Thao Le; Manh Cuong Bui; Thinh Quy Duc Pham; Hoang Son Tran; Xuan Van Tran

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Engineering (Physical Sciences)