Multi‐fidelity data fusion through parameter space reduction with applications to automotive engineering

F Romor, M Tezzele, M Mrosek… - … Journal for Numerical …, 2023 - Wiley Online Library
Multi‐fidelity models are of great importance due to their capability of fusing information
coming from different numerical simulations, surrogates, and sensors. We focus on the …

[图书][B] Advanced reduced order methods and applications in computational fluid dynamics

G Rozza, G Stabile, F Ballarin - 2022 - SIAM
Reduced order modeling is an important and fast-growing research field in computational
science and engineering, motivated by several reasons, of which we mention just a few …

[HTML][HTML] Hull shape design optimization with parameter space and model reductions, and self-learning mesh morphing

N Demo, M Tezzele, A Mola, G Rozza - Journal of Marine Science and …, 2021 - mdpi.com
In the field of parametric partial differential equations, shape optimization represents a
challenging problem due to the required computational resources. In this contribution, a data …

A non-intrusive approach for the reconstruction of POD modal coefficients through active subspaces

N Demo, M Tezzele, G Rozza - Comptes …, 2019 - comptes-rendus.academie-sciences …
Reduced order modeling (ROM) provides an efficient framework to compute solutions of
parametric problems. Basically, it exploits a set of precomputed high-fidelity solutions …

Free-form deformation, mesh morphing and reduced-order methods: enablers for efficient aerodynamic shape optimisation

F Salmoiraghi, A Scardigli, H Telib… - International Journal of …, 2018 - Taylor & Francis
In this work, we provide an integrated pipeline for the model-order reduction of turbulent
flows around parametrised geometries in aerodynamics. In particular, free-form deformation …

Dimension reduction in heterogeneous parametric spaces with application to naval engineering shape design problems

M Tezzele, F Salmoiraghi, A Mola, G Rozza - Advanced Modeling and …, 2018 - Springer
We present the results of the first application in the naval architecture field of a methodology
based on active subspaces properties for parameter space reduction. The physical problem …

[HTML][HTML] Comparison of neural closure models for discretised PDEs

H Melchers, D Crommelin, B Koren… - … & Mathematics with …, 2023 - Elsevier
Neural closure models have recently been proposed as a method for efficiently
approximating small scales in multiscale systems with neural networks. The choice of loss …

[HTML][HTML] PyGeM: Python geometrical morphing

M Tezzele, N Demo, A Mola, G Rozza - Software impacts, 2021 - Elsevier
PyGeM is an open source Python package which allows to easily parametrize and deform
3D object described by CAD files or 3D meshes. It implements several morphing techniques …

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 …

An integrated data-driven computational pipeline with model order reduction for industrial and applied mathematics

M Tezzele, N Demo, A Mola, G Rozza - Novel Mathematics Inspired by …, 2022 - Springer
In this work we present an integrated computational pipeline involving several model order
reduction techniques for industrial and applied mathematics, as emerging technology for …