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- W4377019531 abstract "Abstract Additive manufacturing (AM) may have many advantages over traditional casting and wrought methods, but our understanding of the various processes is still limited. Computational models are useful to study and isolate underlying physics and improve our understanding of the AM process-microstructure-property relations. However, these models necessarily rely on simplifications and parameters of uncertain value. These assumptions reduce the overall reliability of the predictive capabilities of these models, so it is important to estimate the uncertainty in model output. In doing so, we quantify the effect of model limitations and identify potential areas of improvement, a procedure made possible by uncertainty quantification (UQ). Here we highlight recent work which coupled and propagated statistical and systematic uncertainties from a melt pool transport model based in OpenFOAM, through a grain scale cellular automaton code. We demonstrate how a UQ framework can identify model parameters which most significantly impact the reliability of model predictions through both models and thus provide insight for future improvements in the models and suggest measurements to reduce output uncertainty." @default.
- W4377019531 created "2023-05-19" @default.
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- W4377019531 date "2023-05-01" @default.
- W4377019531 modified "2023-09-26" @default.
- W4377019531 title "Uncertainty quantification for computational modelling of laser powder bed fusion" @default.
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- W4377019531 doi "https://doi.org/10.1088/1757-899x/1281/1/012024" @default.
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