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 …

Surrogate-assisted global sensitivity analysis: an overview

K Cheng, Z Lu, C Ling, S Zhou - Structural and Multidisciplinary …, 2020 - Springer
Surrogate models are popular tool to approximate the functional relationship of expensive
simulation models in multiple scientific and engineering disciplines. Successful use of …

[图书][B] Uncertainty quantification: theory, implementation, and applications

RC Smith - 2024 - SIAM
Uncertainty quantification serves a central role for simulation-based analysis of physical,
engineering, and biological applications using mechanistic models. From a broad …

Stochastic analysis of the fracture toughness of polymeric nanoparticle composites using polynomial chaos expansions

KM Hamdia, M Silani, X Zhuang, P He… - International Journal of …, 2017 - Springer
The fracture energy is a substantial material property that measures the ability of materials to
resist crack growth. The reinforcement of the epoxy polymers by nanosize fillers improves …

[图书][B] Active subspaces: Emerging ideas for dimension reduction in parameter studies

PG Constantine - 2015 - SIAM
Parameter studies are everywhere in computational science. Complex engineering
simulations must run several times with different inputs to effectively study the relationships …

[图书][B] Basics and trends in sensitivity analysis: Theory and practice in R

In many fields, such as environmental risk assessment, agronomic system behavior,
aerospace engineering, and nuclear safety, mathematical models turned into computer code …

Data-driven uncertainty quantification using the arbitrary polynomial chaos expansion

S Oladyshkin, W Nowak - Reliability Engineering & System Safety, 2012 - Elsevier
We discuss the arbitrary polynomial chaos (aPC), which has been subject of research in a
few recent theoretical papers. Like all polynomial chaos expansion techniques, aPC …

Sensitivity and uncertainty analysis for flexoelectric nanostructures

KM Hamdia, H Ghasemi, X Zhuang, N Alajlan… - Computer Methods in …, 2018 - Elsevier
In this paper, sensitivity analysis has been applied to identify the key input parameters
influencing the energy conversion factor (ECF) of flexoelectric materials. The governing …

Metamodel-based sensitivity analysis: polynomial chaos expansions and Gaussian processes

LL Gratiet, S Marelli, B Sudret - arXiv preprint arXiv:1606.04273, 2016 - arxiv.org
Global sensitivity analysis is now established as a powerful approach for determining the
key random input parameters that drive the uncertainty of model output predictions. Yet the …

Optimal sparse polynomial chaos expansion for arbitrary probability distribution and its application on global sensitivity analysis

L Cao, J Liu, C Jiang, G Liu - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
Polynomial chaos expansion has received considerable attention in uncertainty
quantification since its great modeling capability for complex systems. However, considering …