Works (4)
Updated: July 5th, 2023 15:38
2019 journal article
Gradient-Free Construction of Active Subspaces for Dimension Reduction in Complex Models with Applications to Neutronics
SIAM-ASA JOURNAL ON UNCERTAINTY QUANTIFICATION, 7(1), 117–142.
author keywords: gradient-free active subspaces; neutronics applications
TL;DR:
This paper aims to demonstrate the ability to efficiently approximate complex models by constructing low-overtime subspace models using a simple model-to-model comparison procedure.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 9, 2019
2016 journal article
An information theoretic approach to use high-fidelity codes to calibrate low-fidelity codes
JOURNAL OF COMPUTATIONAL PHYSICS, 324, 24–43.
author keywords: Model calibration; Bayesian experimental design; Optimal evaluation; Mutual information
TL;DR:
An information-theoretic framework is employed to determine the reduction in parameter uncertainty that is obtained by evaluating the high-fidelity code at a specific set of design conditions, which are chosen sequentially, based on the amount of information that they contribute to the low-f fidelity model parameters.
(via Semantic Scholar)
manuscript.elsevier.com (publisher PDF)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
Gradient free active subspace construction using Morris screening elementary effects
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 72(6), 1603–1615.
author keywords: Active subspace construction; Reduced-order modeling; Morris screening
TL;DR:
This work introduces a gradient-free active subspace construction method that avoids the need to sample from the gradient, which may not be available, via construction of a coarse approximation to the gradient matrix by employing the concept of "elementary effects" from Morris screening procedures.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2014 conference paper
Model calibration for beam models in the presence of model discrepancy
Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, 2014, vol 1.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
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