A tutorial on the adjoint method for inverse problems

D Givoli - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
This paper is a basic tutorial on the adjoint method when used in a computational scheme
for solving an inverse problem. The adjoint method is a technique for the efficient calculation …

2022 review of data-driven plasma science

R Anirudh, R Archibald, MS Asif… - … on Plasma Science, 2023 - ieeexplore.ieee.org
Data-driven science and technology offer transformative tools and methods to science. This
review article highlights the latest development and progress in the interdisciplinary field of …

A framework for data-driven solution and parameter estimation of pdes using conditional generative adversarial networks

T Kadeethum, D O'Malley, JN Fuhg, Y Choi… - Nature Computational …, 2021 - nature.com
Here we employ and adapt the image-to-image translation concept based on conditional
generative adversarial networks (cGAN) for learning a forward and an inverse solution …

Derivative-informed neural operator: an efficient framework for high-dimensional parametric derivative learning

T O'Leary-Roseberry, P Chen, U Villa… - Journal of Computational …, 2024 - Elsevier
We propose derivative-informed neural operators (DINOs), a general family of neural
networks to approximate operators as infinite-dimensional map**s from input function …

Derivative-informed projected neural networks for high-dimensional parametric maps governed by PDEs

T O'Leary-Roseberry, U Villa, P Chen… - Computer Methods in …, 2022 - Elsevier
Many-query problems–arising from, eg, uncertainty quantification, Bayesian inversion,
Bayesian optimal experimental design, and optimization under uncertainty–require …

Residual-based error correction for neural operator accelerated infinite-dimensional Bayesian inverse problems

L Cao, T O'Leary-Roseberry, PK Jha, JT Oden… - Journal of …, 2023 - Elsevier
We explore using neural operators, or neural network representations of nonlinear maps
between function spaces, to accelerate infinite-dimensional Bayesian inverse problems …

Volcanic arc rigidity variations illuminated by coseismic deformation of the 2011 Tohoku-oki M9

S Puel, TW Becker, U Villa, O Ghattas, D Liu - Science Advances, 2024 - science.org
Rock strength has long been linked to lithospheric deformation and seismicity. However,
independent constraints on the related elastic heterogeneity are missing, yet could provide …

A fast and scalable computational framework for large-scale high-dimensional Bayesian optimal experimental design

K Wu, P Chen, O Ghattas - SIAM/ASA Journal on Uncertainty Quantification, 2023 - SIAM
We develop a fast and scalable computational framework to solve Bayesian optimal
experimental design problems governed by partial differential equations (PDEs) with …

Bayesian-based predictions of COVID-19 evolution in Texas using multispecies mixture-theoretic continuum models

PK Jha, L Cao, JT Oden - Computational mechanics, 2020 - Springer
We consider a mixture-theoretic continuum model of the spread of COVID-19 in Texas. The
model consists of multiple coupled partial differential reaction–diffusion equations governing …

hIPPYlib-MUQ: A Bayesian inference software framework for integration of data with complex predictive models under uncertainty

KT Kim, U Villa, M Parno, Y Marzouk… - ACM Transactions on …, 2023 - dl.acm.org
Bayesian inference provides a systematic framework for integration of data with
mathematical models to quantify the uncertainty in the solution of the inverse problem …