Uncertainty quantification in machine learning for engineering design and health prognostics: A tutorial

V Nemani, L Biggio, X Huan, Z Hu, O Fink… - … Systems and Signal …, 2023 - Elsevier
On top of machine learning (ML) models, uncertainty quantification (UQ) functions as an
essential layer of safety assurance that could lead to more principled decision making by …

Deep learning methods for Reynolds-averaged Navier–Stokes simulations of airfoil flows

N Thuerey, K Weißenow, L Prantl, X Hu - AIAA Journal, 2020 - arc.aiaa.org
This study investigates the accuracy of deep learning models for the inference of Reynolds-
averaged Navier–Stokes (RANS) solutions. This study focuses on a modernized U-net …

SO (3)-invariance of informed-graph-based deep neural network for anisotropic elastoplastic materials

Y Heider, K Wang, WC Sun - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
This paper examines the frame-invariance (and the lack thereof) exhibited in simulated
anisotropic elasto-plastic responses generated from supervised machine learning of …

An overview on uncertainty quantification and probabilistic learning on manifolds in multiscale mechanics of materials

C Soize - Mathematics and Mechanics of Complex Systems, 2023 - msp.org
An overview of the author's works, many of which were carried out in collaboration, is
presented. The first part concerns the quantification of uncertainties for complex engineering …

Probabilistic learning on manifolds constrained by nonlinear partial differential equations for small datasets

C Soize, R Ghanem - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
A novel extension of the Probabilistic Learning on Manifolds (PLoM) is presented. It makes it
possible to synthesize solutions to a wide range of nonlinear stochastic boundary value …

Updating an uncertain and expensive computational model in structural dynamics based on one single target FRF using a probabilistic learning tool

O Ezvan, C Soize, C Desceliers, R Ghanem - Computational Mechanics, 2023 - Springer
The paper presents an appropriate and efficient methodology for updating the control
parameters of very large uncertain computational models, which are used for analyzing the …

Probabilistic learning on manifolds

C Soize, R Ghanem - arxiv preprint arxiv:2002.12653, 2020 - arxiv.org
This paper presents mathematical results in support of the methodology of the probabilistic
learning on manifolds (PLoM) recently introduced by the authors, which has been used with …

[PDF][PDF] Multi-field and multi-scale computational fracture mechanics and machine-learning material modeling

Y Heider - 2021 - researchgate.net
Die Bruchmechanik zählt zu den aufstrebenden und vielversprechendsten Gebieten der
Ingenieurmechanik. In den letzten Jahrzehnten wurden zahlreiche theoretische …

Entropy-based closure for probabilistic learning on manifolds

C Soize, R Ghanem, C Safta, X Huan, ZP Vane… - Journal of …, 2019 - Elsevier
In a recent paper, the authors proposed a general methodology for probabilistic learning on
manifolds. The method was used to generate numerical samples that are statistically …

Addressing performance improvement of a neural network model for Reynolds-averaged Navier–Stokes solutions with high wake formation

A Ajaya Kumar, A Assam - Engineering Computations, 2024 - emerald.com
Purpose Deep-learning techniques are recently gaining a lot of importance in the field of
turbulence. This study focuses on addressing the problem of data imbalance to improve the …