Uncertainty quantification for systems of conservation laws

G Poëtte, B Després, D Lucor - Journal of Computational Physics, 2009 - Elsevier
Uncertainty quantification through stochastic spectral methods has been recently applied to
several kinds of non-linear stochastic PDEs. In this paper, we introduce a formalism based …

Topology optimization of continuum structures under uncertainty–a polynomial chaos approach

M Tootkaboni, A Asadpoure, JK Guest - Computer Methods in Applied …, 2012 - Elsevier
A computational method for topology optimization in the presence of uncertainty is
proposed. The method combines the spectral stochastic approach for the representation and …

Uncertainty quantification in stochastic systems using polynomial chaos expansion

K Sepahvand, S Marburg, HJ Hardtke - International Journal of …, 2010 - World Scientific
In recent years, extensive research has been reported about a method which is called the
generalized polynomial chaos expansion. In contrast to the sampling methods, eg, Monte …

[HTML][HTML] A stochastic Galerkin lattice Boltzmann method for incompressible fluid flows with uncertainties

M Zhong, T **ao, MJ Krause, M Frank… - Journal of Computational …, 2024 - Elsevier
Efficient modeling and simulation of uncertainties in computational fluid dynamics (CFD)
remains a crucial challenge. In this paper, we present the first stochastic Galerkin (SG) lattice …

A combined scheme of parallel-reaction kinetic model and multi-layer artificial neural network model on pyrolysis of Reed Canary

H Liu, H Alhumade, A Elkamel - Chemical Engineering Science, 2023 - Elsevier
A comprehensive understanding of pyrolysis kinetics is crucial for the design of biomass
pyrolysis. In this study, a combined scheme was proposed for biomass pyrolysis. A kinetic …

A non‐intrusive model reduction approach for polynomial chaos expansion using proper orthogonal decomposition

M Raisee, D Kumar, C Lacor - International Journal for …, 2015 - Wiley Online Library
In this paper, a non‐intrusive stochastic model reduction scheme is developed for
polynomial chaos representation using proper orthogonal decomposition. The main idea is …

Robust uncertainty propagation in systems of conservation laws with the entropy closure method

B Després, G Poëtte, D Lucor - Uncertainty quantification in computational …, 2013 - Springer
In this paper, we consider hyperbolic systems of conservation laws subject to uncertainties
in the initial conditions and model parameters. In order to solve the underlying uncertain …

[HTML][HTML] 3D CFD simulation of the interaction between front wheels&brake ducts and optimised five-element F1 race car front wings under regulations

FJ Granados-Ortiz, P Morales-Higueras… - Alexandria engineering …, 2023 - Elsevier
This investigation analyses the 3D performance of two optimal front wing designs according
to the Federation Internationale de l'Automobile 2021 regulations. These regulations imply a …

Multi-scale approach for reliability-based design optimization with metamodel upscaling

L Coelho, D Lucor, N Fabbiane, C Fagiano… - Structural and …, 2023 - Springer
For multi-scale materials, the interplay of material and design uncertainties and reliability-
based design optimization is complex and very dependent on the chosen modeling scale …

A hyperbolicity-preserving stochastic Galerkin approximation for uncertain hyperbolic systems of equations

L Schlachter, F Schneider - Journal of Computational Physics, 2018 - Elsevier
Uncertainty Quantification through stochastic spectral methods is rising in popularity. We
derive a modification of the classical stochastic Galerkin method, that ensures the …