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2020

Gorodetsky, Alex; Geraci, Gianluca; Eldred, Michael S; Jakeman, John

A generalized approximate control variate framework for multifidelity uncertainty quantification Journal Article

Journal of Computational Physics, 408 , pp. 109257, 2020.

Abstract | Links | BibTeX | Tags: Control Variates, Monte Carlo Sampling, Multifidelity Methods, Uncertainty Quantification

Jakeman, John; Eldred, Michael S; Geraci, Gianluca; Gorodetsky, Alex

Adaptive multi-index collocation for uncertainty quantification and sensitivity analysis Journal Article

International Journal for Numerical Methods in Engineering, 121 (6), pp. 1314-1343, 2020.

Abstract | Links | BibTeX | Tags: Multifidelity Methods, Sensitivity Analysis, Surrogate models, Uncertainty Quantification, Validation

He, Kaijun; Wang, Jiachen; Gorodetsky, Alex Arkady

Uncertainty Analysis of Trajectory Tracking for Autonomous Dynamic Soaring Conference

AIAA Scitech 2020 Forum, 2020.

Abstract | Links | BibTeX | Tags: Model Predictive Control, Uncertainty Quantification

2019

Jorns, Benjamin A; Gorodetsky, Alex; Lasky, Ian; Kimber, Angela; Dahl, Peter; Peter, Benjamin St.; Dressler, Rainer

Uncertainty Quantification of Electrospray Thruster Array Lifetime Conference

The 30th International Electric Propulsion Conference, University of Vienna, Austria, 2019.

Abstract | Links | BibTeX | Tags: Electric Propulsion, Uncertainty Quantification

Wildey, T; Gorodetsky, Alex A; Belme, A C; Shadid, John N

Robust uncertainty quantification using response surface approximations of discontinuous functions Journal Article

International Journal for Uncertainty Quantification, 9 (5), pp. 415–437, 2019, ISSN: 2152-5080.

Abstract | Links | BibTeX | Tags: Support Vector Machines, Surrogate models, Uncertainty Quantification

Gorodetsky, Alex; Karaman, Sertac; Marzouk, Youssef

A Continuous Analogue of the Tensor-Train Decomposition Journal Article

Computer Methods in Applied Mechanics and Engineering, 347 , pp. 59-84, 2019.

Abstract | Links | BibTeX | Tags: Chebfun, Low-rank approximation, Polynomial Approximation, Surrogate models, Tensor decompositions, Tensor-train decomposition, Uncertainty Quantification

Geraci, Gianluca; Eldred, Michael S; Gorodetsky, Alex; Jakeman, John

Recent advancements in Multilevel-Multifidelity techniques for forward UQ in the DARPA Sequoia project Conference

AIAA Scitech 2019 Forum, 2019.

Abstract | Links | BibTeX | Tags: Bayesian Networks, Control Variates, Multifidelity Methods, Uncertainty Quantification

2018

Geraci, Gianluca; Eldred, Michael S; Gorodetsky, Alex; Jakeman, John

Leveraging active subspaces for efficient multifidelity uncertainty quantification Inproceedings

ECCM-ECCFD Eccomas 2018, ECCM-ECCFD, Glasgow, Scotland, UK, 2018 2018.

Abstract | Links | BibTeX | Tags: Active Subspace, Multifidelity Methods, Uncertainty Quantification

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Geraci, Gianluca; Eldred, Michael S; Gorodetsky, Alex; Jakeman, John

Recent advancements in Multilevel-Multifidelity techniques for forward UQ in the DARPA Sequoia Project Conference

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Abstract | Links | BibTeX | Tags: Control Variates, Graphical Models, Multifidelity Methods, Uncertainty Quantification