[HTML][HTML] Enhancing CFD predictions in shape design problems by model and parameter space reduction

M Tezzele, N Demo, G Stabile, A Mola… - Advanced Modeling and …, 2020 - Springer
In this work we present an advanced computational pipeline for the approximation and
prediction of the lift coefficient of a parametrized airfoil profile. The non-intrusive reduced …

[HTML][HTML] Global ranking of the sensitivity of interaction potential contributions within classical molecular dynamics force fields

W Edeling, M Vassaux, Y Yang, S Wan… - npj Computational …, 2024 - nature.com
Uncertainty quantification (UQ) is rapidly becoming a sine qua non for all forms of
computational science out of which actionable outcomes are anticipated. Much of the …

Data-driven polynomial ridge approximation using variable projection

JM Hokanson, PG Constantine - SIAM Journal on Scientific Computing, 2018 - SIAM
Inexpensive surrogates are useful for reducing the cost of science and engineering studies
involving large-scale, complex computational models with many input parameters. A ridge …

Time‐dependent global sensitivity analysis with active subspaces for a lithium ion battery model

PG Constantine, A Doostan - … and Data Mining: The ASA Data …, 2017 - Wiley Online Library
Renewable energy researchers use computer simulation to aid the design of lithium ion
storage devices. The underlying models contain several physical input parameters that …

Learning active subspaces and discovering important features with Gaussian radial basis functions neural networks

D D'Agostino, I Ilievski, CA Shoemaker - Neural Networks, 2024 - Elsevier
Providing a model that achieves a strong predictive performance and is simultaneously
interpretable by humans is one of the most difficult challenges in machine learning research …

On the deep active-subspace method

W Edeling - SIAM/ASA Journal on Uncertainty Quantification, 2023 - SIAM
The deep active-subspace method is a neural-network based tool for the propagation of
uncertainty through computational models with high-dimensional input spaces. Unlike the …

Learning active subspaces for effective and scalable uncertainty quantification in deep neural networks

S Jantre, NM Urban, X Qian… - ICASSP 2024-2024 IEEE …, 2024 - ieeexplore.ieee.org
Bayesian inference for neural networks, or Bayesian deep learning, has the potential to
provide well-calibrated predictions with quantified uncertainty and robustness. However, the …

Parameter reduction of composite load model using active subspace method

Z Ma, B Cui, Z Wang, D Zhao - IEEE Transactions on Power …, 2021 - ieeexplore.ieee.org
Over the past decades, the increasing penetration of distributed energy resources (DERs)
has dramatically changed the power load composition in the distribution networks. The …

A fully Bayesian gradient-free supervised dimension reduction method using Gaussian processes

R Gautier, P Pandita, S Ghosh… - International Journal for …, 2022 - dl.begellhouse.com
Modern day engineering problems are ubiquitously characterized by sophisticated computer
codes that map parameters or inputs to an underlying physical process. In other situations …

Benchmarking Active Subspace methods of global sensitivity analysis against variance-based Sobol'and Morris methods with established test functions

X Sun, B Croke, A Jakeman, S Roberts - Environmental Modelling & …, 2022 - Elsevier
Active Subspaces is a recently developed concept that identifies essential directions of the
response surface of a model, providing sensitivity metrics known as activity scores. We …