Uncertainty quantification for additive manufacturing process improvement: recent advances

S Mahadevan, P Nath, Z Hu - … -ASME Journal of …, 2022 - asmedigitalcollection.asme.org
This paper reviews the state of the art in applying uncertainty quantification (UQ) methods to
additive manufacturing (AM). Physics-based as well as data-driven models are increasingly …

Physics-informed and hybrid machine learning in additive manufacturing: application to fused filament fabrication

B Kapusuzoglu, S Mahadevan - Jom, 2020 - Springer
This article investigates several physics-informed and hybrid machine learning strategies
that incorporate physics knowledge in experimental data-driven deep-learning models for …

Optimization of fused filament fabrication process parameters under uncertainty to maximize part geometry accuracy

P Nath, JD Olson, S Mahadevan, YTT Lee - Additive manufacturing, 2020 - Elsevier
This work presents a novel process design optimization framework for additive
manufacturing (AM) by integrating physics-informed computational simulation models with …

Active learning for adaptive surrogate model improvement in high-dimensional problems

Y Guo, P Nath, S Mahadevan, P Witherell - Structural and Multidisciplinary …, 2024 - Springer
This paper investigates a novel approach to efficiently construct and improve surrogate
models in problems with high-dimensional input and output. In this approach, the principal …

Additive manufacturing melt pool prediction and classification via multifidelity Gaussian process surrogates

R Saunders, A Rawlings, A Birnbaum… - Integrating Materials and …, 2022 - Springer
It is well known that the process parameters chosen in metal additive manufacturing (AM)
are directly related to the melt pool dimensions, which can be related to microstructure …

An active learning high-throughput microstructure calibration framework for solving inverse structure–process problems in materials informatics

A Tran, JA Mitchell, LP Swiler, T Wildey - Acta Materialia, 2020 - Elsevier
Determining a process–structure–property relationship is the holy grail of materials science,
where both computational prediction in the forward direction and materials design in the …

Probabilistic digital twin for additive manufacturing process design and control

P Nath, S Mahadevan - Journal of Mechanical …, 2022 - asmedigitalcollection.asme.org
This paper proposes a detailed methodology for constructing an additive manufacturing
(AM) digital twin for the laser powder bed fusion (LPBF) process. An important aspect of the …

[HTML][HTML] Design of experiments informed deep learning for modeling of directed energy deposition process with a small-size experimental dataset

C Chen, SJL Wong, S Raghavan, H Li - Materials & Design, 2022 - Elsevier
In order to address the high throughput data generation challenges in the directed energy
deposition (DED) process development, a design of experiments (DOE) informed deep …

Probabilistic predictive control of porosity in laser powder bed fusion

P Nath, S Mahadevan - Journal of Intelligent Manufacturing, 2023 - Springer
This work presents a Bayesian methodology for layer-by-layer predictive quality control of an
additively manufactured part by integrating physics-based simulation with online monitoring …

Characterization, propagation, and sensitivity analysis of uncertainties in the directed energy deposition process using a deep learning-based surrogate model

TQD Pham, TV Hoang, XV Tran, S Fetni… - Probabilistic …, 2022 - Elsevier
Uncertainties raised from process parameters, material properties, and environmental
conditions significantly impact the quality of the printed parts in the directed energy …