[HTML][HTML] Enhancing CFD predictions in shape design problems by model and parameter space reduction
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 …
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
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 …
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 …
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 …
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
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 …
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 …
uncertainty through computational models with high-dimensional input spaces. Unlike the …
Learning active subspaces for effective and scalable uncertainty quantification in deep neural networks
Bayesian inference for neural networks, or Bayesian deep learning, has the potential to
provide well-calibrated predictions with quantified uncertainty and robustness. However, the …
provide well-calibrated predictions with quantified uncertainty and robustness. However, the …
Parameter reduction of composite load model using active subspace method
Over the past decades, the increasing penetration of distributed energy resources (DERs)
has dramatically changed the power load composition in the distribution networks. The …
has dramatically changed the power load composition in the distribution networks. The …
A fully Bayesian gradient-free supervised dimension reduction method using Gaussian processes
Modern day engineering problems are ubiquitously characterized by sophisticated computer
codes that map parameters or inputs to an underlying physical process. In other situations …
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
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 …
response surface of a model, providing sensitivity metrics known as activity scores. We …