Multifidelity uncertainty quantification with models based on dissimilar parameters

X Zeng, G Geraci, MS Eldred, JD Jakeman… - Computer Methods in …, 2023 - Elsevier
Multifidelity uncertainty quantification (MF UQ) sampling approaches have been shown to
significantly reduce the variance of statistical estimators while preserving the bias of the …

Updating an uncertain and expensive computational model in structural dynamics based on one single target FRF using a probabilistic learning tool

O Ezvan, C Soize, C Desceliers, R Ghanem - Computational Mechanics, 2023 - Springer
The paper presents an appropriate and efficient methodology for updating the control
parameters of very large uncertain computational models, which are used for analyzing the …

Modelling and analysis of large periodic origami structures for local vibrations

P Moradweysi, T Goudarzi, MM Aghdam - International Journal of …, 2024 - Elsevier
In this paper, a novel framework is proposed for the structural analysis of large origami
structures. The first order shear deformation theory of plates (FSDT) is employed to consider …

Improving Bayesian networks multifidelity surrogate construction with basis adaptation

X Zeng, G Geraci, A Gorodetsky, J Jakeman… - AIAA Scitech 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0917. vid Surrogate construction is
an essential component for all non-deterministic analyses in science and engineering. The …

An improved vibration control method of a flexible non-uniform shaped manipulator

Ş Yavuz - Simulation Modelling Practice and Theory, 2021 - Elsevier
This paper presents an improved vibration control method that controls the amplitudes of
residual vibrations of a flexible non-uniform shaped manipulator with higher suppression …

Dominant substructural vibration modes for fully-loaded spent nuclear fuel canisters

O Ezvan, X Zeng, R Ghanem, B Gencturk - Computational Mechanics, 2021 - Springer
This paper investigates the dynamic characteristics of a multilevel structure for the
transportation and storage of spent nuclear fuel (SNF) from commercial power plants. The …

Multiscale modal analysis of fully-loaded spent nuclear fuel canisters

O Ezvan, X Zeng, R Ghanem, B Gencturk - Computer Methods in Applied …, 2020 - Elsevier
In this paper, an efficient numerical procedure is proposed, which is adapted to the modal
analysis of a fully-loaded spent nuclear fuel canister exhibiting distinct structural levels …

Modified reduced-order modeling of a flexible robot-manipulator and model-associative vibration control implementation

Ş Yavuz, MM İlman - Extreme Mechanics Letters, 2020 - Elsevier
This paper introduces a modified reduced-order model with aim to use in the dynamic
analysis of flexible robot-manipulators. The model structure is firstly discussed theoretically …

[PDF][PDF] Improving Bayesian networks multifidelity surrogate construction with basis adaptation.

G Geraci, J Jakeman, M Eldred - 2022 - osti.gov
Surrogate construction is an essential component for all non-deterministic analyses in
science and engineering. The efficient construction of easy and cheaper-to-run alternatives …

Active Vibration Control and Modeling of Flexible Manipulators with Trapezoidal Velocity Profile Actuations

MM İlman - 2022 - search.proquest.com
With the advancements in Industry 4.0, the range of robot applications expands, as does the
expected productivity. Flexible manipulator systems (FMS) are a decent candidates here …