BUQEYE guide to projection-based emulators in nuclear physics

C Drischler, JA Melendez, RJ Furnstahl… - Frontiers in …, 2023 - frontiersin.org
The BUQEYE collaboration (Bayesian Uncertainty Quantification: Errors in Your effective
field theory) presents a pedagogical introduction to projection-based, reduced-order …

[HTML][HTML] A graph convolutional autoencoder approach to model order reduction for parametrized PDEs

F Pichi, B Moya, JS Hesthaven - Journal of Computational Physics, 2024 - Elsevier
The present work proposes a framework for nonlinear model order reduction based on a
Graph Convolutional Autoencoder (GCA-ROM). In the reduced order modeling (ROM) …

[PDF][PDF] Manifold interpolation

R Zimmermann - Model Order Reduction, 2021 - library.oapen.org
One approach to parametric and adaptive model reduction is via the interpolation of
orthogonal bases, subspaces or positive definite system matrices. In all these cases, the …

Model reduction methods for nuclear emulators

JA Melendez, C Drischler, RJ Furnstahl… - Journal of Physics G …, 2022 - iopscience.iop.org
The field of model order reduction (MOR) is growing in importance due to its ability to extract
the key insights from complex simulations while discarding computationally burdensome …

Towards precise and accurate calculations of neutrinoless double-beta decay

V Cirigliano, Z Davoudi, J Engel… - Journal of Physics G …, 2022 - iopscience.iop.org
We present the results of a National Science Foundation Project Scoping Workshop, the
purpose of which was to assess the current status of calculations for the nuclear matrix …

Assessment of URANS and LES methods in predicting wake shed behind a vertical axis wind turbine

A Sheidani, S Salavatidezfouli, G Stabile… - Journal of Wind …, 2023 - Elsevier
In order to shed light on the Vertical-Axis Wind Turbines (VAWT) wake characteristics, in this
paper we present high-fidelity CFD simulations of the flow around an exemplary H-shaped …

Nuclear properties with semilocal momentum-space regularized chiral interactions beyond

LENPIC Collaboration, P Maris, R Roth, E Epelbaum… - Physical Review C, 2022 - APS
We present a comprehensive investigation of few-nucleon systems as well as light and
medium-mass nuclei up to A= 48 using the current Low Energy Nuclear Physics …

Predicting waves in fluids with deep neural network

IK Deo, R Jaiman - Physics of Fluids, 2022 - pubs.aip.org
In this paper, we present a deep learning technique for data-driven predictions of wave
propagation in a fluid medium. The technique relies on an attention-based convolutional …

A POD-Galerkin reduced order model for a LES filtering approach

M Girfoglio, A Quaini, G Rozza - Journal of Computational Physics, 2021 - Elsevier
Abstract We propose a Proper Orthogonal Decomposition (POD)-Galerkin based Reduced
Order Model (ROM) for an implementation of the Leray model that combines a two-step …

A hybrid projection/data-driven reduced order model for the Navier-Stokes equations with nonlinear filtering stabilization

M Girfoglio, A Quaini, G Rozza - Journal of Computational Physics, 2023 - Elsevier
Abstract We develop a Reduced Order Model (ROM) for the Navier-Stokes equations with
nonlinear filtering stabilization. Our approach, that can be interpreted as a Large Eddy …