Non-stationary Gaussian process surrogates

A Sauer, A Cooper, RB Gramacy - arXiv preprint arXiv:2305.19242, 2023 - arxiv.org
We provide a survey of non-stationary surrogate models which utilize Gaussian processes
(GPs) or variations thereof, including non-stationary kernel adaptations, partition and local …

[PDF][PDF] MPhys: A Modular Multiphysics Library for Coupled Simulation and Adjoint Derivative Computation

A Yildirim, KE Jacobson, JL Anibal… - Structural and …, 2024 - researchgate.net
The design of many engineering systems requires multiphysics simulations and can benefit
from design optimization. Two key challenges in multidisciplinary design optimization (MDO) …

Contour Location for Reliability in Airfoil Simulation Experiments using Deep Gaussian Processes

AS Booth, SA Renganathan, RB Gramacy - arXiv preprint arXiv …, 2023 - arxiv.org
Bayesian deep Gaussian processes (DGPs) outperform ordinary GPs as surrogate models
of complex computer experiments when response surface dynamics are non-stationary …

Generalized flutter reliability analysis with adjoint and direct approaches for aeroelastic eigen-pair derivatives computation

S Kumar - Meccanica, 2024 - Springer
The article presents physics based time invariant generalized flutter reliability approach for a
wing in detail. For carrying flutter reliability analysis, a generalized first order reliability …

Non-intrusive polynomial chaos approach for nonlinear aeroelastic uncertainty quantification

J Thomas, EH Dowell - AIAA AVIATION 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3869. vid Presented is a point
collocation non-intrusive polynomial chaos approach for nonlinear aeroelastic uncertainty …