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 digital twin framework for civil engineering structures

M Torzoni, M Tezzele, S Mariani, A Manzoni… - Computer Methods in …, 2024 - Elsevier
The digital twin concept represents an appealing opportunity to advance condition-based
and predictive maintenance paradigms for civil engineering systems, thus allowing reduced …

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 …

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 …

A DeepONet multi-fidelity approach for residual learning in reduced order modeling

N Demo, M Tezzele, G Rozza - Advanced Modeling and Simulation in …, 2023 - Springer
In the present work, we introduce a novel approach to enhance the precision of reduced
order models by exploiting a multi-fidelity perspective and DeepONets. Reduced models …

A comparison of data-driven reduced order models for the simulation of mesoscale atmospheric flow

A Hajisharifi, M Girfoglio, A Quaini, G Rozza - Finite Elements in Analysis …, 2024 - Elsevier
The simulation of atmospheric flows by means of traditional discretization methods remains
computationally intensive, hindering the achievement of high forecasting accuracy in short …

Hybrid neural network reduced order modelling for turbulent flows with geometric parameters

M Zancanaro, M Mrosek, G Stabile, C Othmer, G Rozza - Fluids, 2021 - mdpi.com
Geometrically parametrized partial differential equations are currently widely used in many
different fields, such as shape optimization processes or patient-specific surgery studies …

[HTML][HTML] Model reduction of coupled systems based on non-intrusive approximations of the boundary response maps

N Discacciati, JS Hesthaven - Computer Methods in Applied Mechanics …, 2024 - Elsevier
We propose a local, non-intrusive model order reduction technique to accurately
approximate the solution of coupled multi-component parametrized systems governed by …

A non-intrusive data-driven reduced order model for parametrized CFD-DEM numerical simulations

A Hajisharifi, F Romanò, M Girfoglio, A Beccari… - Journal of …, 2023 - Elsevier
The investigation of fluid-solid systems is very important in a lot of industrial processes. From
a computational point of view, the simulation of such systems is very expensive, especially …

A data-driven surrogate modeling approach for time-dependent incompressible Navier-Stokes equations with dynamic mode decomposition and manifold …

MW Hess, A Quaini, G Rozza - Advances in Computational Mathematics, 2023 - Springer
This work introduces a novel approach for data-driven model reduction of time-dependent
parametric partial differential equations. Using a multi-step procedure consisting of proper …