Machine learning in aerodynamic shape optimization

J Li, X Du, JRRA Martins - Progress in Aerospace Sciences, 2022 - Elsevier
Abstract Machine learning (ML) has been increasingly used to aid aerodynamic shape
optimization (ASO), thanks to the availability of aerodynamic data and continued …

Active manifold and model-order reduction to accelerate multidisciplinary analysis and optimization

G Boncoraglio, C Farhat - AIAA Journal, 2021 - arc.aiaa.org
A computational framework is proposed for efficiently solving multidisciplinary analysis and
optimization (MDAO) problems in a relatively high-dimensional design parameter space. It …

Nonlinear reduced order modeling using domain decomposition

N Iyengar, D Rajaram, K Decker, C Perron… - AIAA SciTech 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1250. vid As designers become
increasingly reliant upon expensive, high-fidelity numerical modeling and simulation …

Shock wave prediction in transonic flow fields using domain-informed probabilistic deep learning

B Mufti, A Bhaduri, S Ghosh, L Wang, DN Mavris - Physics of Fluids, 2024 - pubs.aip.org
Transonic flow fields are marked by shock waves of varying strength and location and are
crucial for the aerodynamic design and optimization of high-speed transport aircraft. While …

Comparison of Overwing and Underwing Nacelle Aeropropulsion Optimization for Subsonic Transport Aircraft

J Ahuja, C Hyun Lee, C Perron, DN Mavris - Journal of Aircraft, 2024 - arc.aiaa.org
This research compares a forward-mounted overwing nacelle configuration to a
conventional underwing nacelle for a single-aisle transport aircraft. We focus on …

Manifold alignment-based nonintrusive and nonlinear multifidelity reduced-order modeling

K Decker, N Iyengar, D Rajaram, C Perron, D Mavris - AIAA Journal, 2023 - arc.aiaa.org
This study presents the development of a methodology for the construction of data-driven,
parametric, multifidelity reduced-order models to emulate aerodynamic flowfields with …

Multi-fidelity non-intrusive reduced-order modelling based on manifold alignment

C Perron, D Rajaram… - Proceedings of the …, 2021 - royalsocietypublishing.org
This work presents the development of a multi-fidelity, parametric and non-intrusive reduced-
order modelling method to tackle the problem of achieving an acceptable predictive …

Nonlinear Multi-Fidelity Reduced Order Modeling Method using Manifold Alignment

K Decker, N Iyengar, C Perron, D Rajaram… - AIAA Aviation 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-3050. vid This study presents the
development of a methodology for the construction of data-driven, parametric, multi-fidelity …

A multi-fidelity approximation of the active subspace method for surrogate models with high-dimensional inputs

B Mufti, M Chen, C Perron, DN Mavris - AIAA AVIATION 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3488. vid Modern design problems
routinely involve high-dimensional inputs and the active subspace has been recognized as …

Automated optimal experimental design strategy for reduced order modeling of aerodynamic flow fields

J Wang, JRRA Martins, X Du - Aerospace Science and Technology, 2024 - Elsevier
Aerodynamic flow fields reveal essential physical insights (such as shocks) that substantially
affect aerodynamic performance. However, conventional flow field computations require …