Issues in deciding whether to use multifidelity surrogates

M Giselle Fernández-Godino, C Park, NH Kim… - Aiaa Journal, 2019 - arc.aiaa.org
Multifidelity surrogates are essential in cases where it is not affordable to have more than a
few high-fidelity samples, but it is affordable to have as many low-fidelity samples as …

Towards a multi-fidelity & multi-objective Bayesian optimization efficient algorithm

R Charayron, T Lefebvre, N Bartoli, J Morlier - Aerospace Science and …, 2023 - Elsevier
Black-box optimization methods like Bayesian optimization are often employed in cases
where the underlying objective functions and their gradient are complex, expensive to …

Comparison of multi-fidelity approaches for military vehicle design

PS Beran, D Bryson, AS Thelen, M Diez… - AIAA Aviation 2020 …, 2020 - arc.aiaa.org
This paper overviews the efforts of a technical team within the NATO Applied Vehicle
Technology Panel to apply multi-fidelity methods to vehicle design. The objectives of the …

Multi-information source constrained Bayesian optimization

SF Ghoreishi, D Allaire - Structural and Multidisciplinary Optimization, 2019 - Springer
Abstract Design decisions for complex systems often can be made or informed by a variety
of information sources. When optimizing such a system, the evaluation of a quantity of …

Large-scale multidisciplinary design optimization—review and recommendations

JT Hwang, AV Jain, TH Ha - AIAA Aviation 2019 Forum, 2019 - arc.aiaa.org
Large-scale multidisciplinary design optimization is the solution of engineering design
problems using numerical optimization involving large numbers of design variables and …

Low-fidelity aerostructural optimization of aircraft wings with a simplified wingbox model using OpenAeroStruct

SS Chauhan, JRRA Martins - International conference on engineering …, 2018 - Springer
It is common for aircraft design studies to begin with low-fidelity tools and move to higher-
fidelity tools at later stages. After early conceptual design stages, designers can take …

Multi-fidelity Bayesian optimization strategy applied to Overall Drone Design

R Charayron, T Lefebvre, N Bartoli… - AIAA Scitech 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2366. vid Nowadays, drones can
be developed for a wide range of use cases, from infrastructure monitoring to sea rescue …

Ensemble approximate control variate estimators: Applications to multifidelity importance sampling

T Pham, AA Gorodetsky - SIAM/ASA Journal on Uncertainty Quantification, 2022 - SIAM
The recent growth in multifidelity uncertainty quantification has given rise to a large set of
variance reduction techniques that leverage information from model ensembles to provide …

Multifidelity uncertainty quantification and model validation of large-scale multidisciplinary systems

G Cataldo, E Qian, J Auclair - Journal of Astronomical …, 2022 - spiedigitallibrary.org
A simulation-based framework for multifidelity uncertainty quantification is presented, which
informs and guides the design process of complex, large-scale, multidisciplinary systems …

Graph-accelerated large-scale multidisciplinary design optimization under uncertainty of a laser-beam-powered aircraft

B Wang, NC Orndorff, AJ Joshy… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
Recently, the graph-accelerated non-intrusive polynomial chaos (NIPC) methods have been
introduced to effectively address a variety of uncertainty quantification (UQ) challenges in …