Helen Cleaves

College of Sciences

Works (2)

Updated: July 5th, 2023 14:41

2021 article

Structure exploiting methods for fast uncertainty quantification in multiphase flow through heterogeneous media

Cleaves, H., Alexanderian, A., & Saad, B. (2021, September 8). Computational Geosciences, Vol. 25, pp. 2167–2189.

By: H. Cleaves n, A. Alexanderian n  & B. Saad *

author keywords: Uncertainty quantification; Surrogate models; Dimension reduction; Multiphase flow; Sensitivity analysis; Spectral representations
topics (OpenAlex): Probabilistic and Robust Engineering Design; Model Reduction and Neural Networks; Groundwater flow and contamination studies
TL;DR: A computational framework for dimension reduction and surrogate modeling to accelerate uncertainty quantification in computationally intensive models with high-dimensional inputs and function-valued outputs and demonstrates the effectiveness of the proposed surrogate modeling approach with a comprehensive set of numerical experiments. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 20, 2021

2019 article

Derivative-Based Global Sensitivity Analysis for Models with High-Dimensional Inputs and Functional Outputs

Cleaves, H. L., Alexanderian, A., Guy, H., Smith, R. C., & Yu, M. (2019, January 1). SIAM Journal on Scientific Computing, Vol. 41, pp. A3524–A3551.

By: H. Cleaves*, A. Alexanderian* , H. Guy, R. Smith*  & M. Yu

author keywords: global sensitivity analysis; DGSMs; functional Sobol' indices; Karhunen-Loeve expansions
topics (OpenAlex): Probabilistic and Robust Engineering Design; Model Reduction and Neural Networks; Advanced Multi-Objective Optimization Algorithms
TL;DR: A framework for derivative-based global sensitivity analysis (GSA) for models with high-dimensional input parameters and functional outputs is presented and the strategy for a nonlinear ODE model of cholera epidemics and for elliptic PDEs is illustrated. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 3, 2020

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