Uncertainty quantification and polynomial chaos techniques in computational fluid dynamics

HN Najm - Annual review of fluid mechanics, 2009 - annualreviews.org
The quantification of uncertainty in computational fluid dynamics (CFD) predictions is both a
significant challenge and an important goal. Probabilistic uncertainty quantification (UQ) …

[图书][B] Uncertainty quantification

C Soize - 2017 - Springer
This book results from a course developed by the author and reflects both his own and
collaborative research regarding the development and implementation of uncertainty …

An extended polynomial chaos expansion for PDF characterization and variation with aleatory and epistemic uncertainties

Z Wang, R Ghanem - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
This paper presents an extended polynomial chaos formalism for epistemic uncertainties
and a new framework for evaluating sensitivities and variations of output probability density …

Stochastic modeling of uncertainties in computational structural dynamics—recent theoretical advances

C Soize - Journal of sound and vibration, 2013 - Elsevier
This paper deals with a short overview on stochastic modeling of uncertainties. We introduce
the types of uncertainties, the variability of real systems, the types of probabilistic …

A functional global sensitivity measure and efficient reliability sensitivity analysis with respect to statistical parameters

Z Wang, R Ghanem - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
Sensitivity analysis and reliability assessment are two important aspects of structural and
system safety. Epistemic uncertainty with respect to probabilistic model of input parameters …

A new method for stochastic analysis of structures under limited observations

H Dai, R Zhang, M Beer - Mechanical Systems and Signal Processing, 2023 - Elsevier
Reasonable modeling of non-Gaussian system inputs from limited observations and efficient
propagation of system response are of great significance in uncertain analysis of real …

An overview of nonintrusive characterization, propagation, and sensitivity analysis of uncertainties in computational mechanics

M Arnst, JP Ponthot - International Journal for Uncertainty …, 2014 - dl.begellhouse.com
In this paper, we offer a short overview of a number of methods that have been reported in
the computational-mechanics literature for quantifying uncertainties in engineering …

Stochastic models of uncertainties in computational mechanics

C Soize - 2012 - ascelibrary.org
Stochastic Models of Uncertainties in Computational Mechanics: Front Matter Page 1
Lecture Notes in Mechanics 2 Stochastic Models of Uncertainties in Computational …

On non-probabilistic reliability-based design optimization of structures with uncertain-but-bounded parameters

Z Kang, Y Luo, A Li - Structural Safety, 2011 - Elsevier
This paper investigates the formulation and numerical solution of reliability-based
optimization of structures exhibiting grouped uncertain-but-bounded variations. Based on …

Stochastic analysis of structures under limited observations using kernel density estimation and arbitrary polynomial chaos expansion

R Zhang, H Dai - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
Over the past decades there has been considerable interest among the scientific community
in modeling random system inputs from limited observations and propagating the system …