[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 …

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 …

Deconvolution‐based nonlinear filtering for incompressible flows at moderately large Reynolds numbers

L Bertagna, A Quaini… - International Journal for …, 2016 - Wiley Online Library
We consider a Leray model with a deconvolution‐based indicator function for the simulation
of incompressible fluid flow at moderately large Reynolds number (in the range of a few …

Filter stabilization for the mildly compressible Euler equations with application to atmosphere dynamics simulations

N Clinco, M Girfoglio, A Quaini, G Rozza - Computers & Fluids, 2023 - Elsevier
We present a filter stabilization technique for the mildly compressible Euler equations that
relies on a linear or nonlinear indicator function to identify the regions of the domain where …

Validation of an open source framework for the simulation of blood flow in rigid and deformable vessels

T Passerini, A Quaini, U Villa… - … journal for numerical …, 2013 - Wiley Online Library
We discuss in this paper the validation of an open source framework for the solution of
problems arising in hemodynamics. The proposed framework is assessed through …

A novel Large Eddy Simulation model for the Quasi-Geostrophic equations in a Finite Volume setting

M Girfoglio, A Quaini, G Rozza - Journal of Computational and Applied …, 2023 - Elsevier
Abstract We present a Large Eddy Simulation (LES) approach based on a nonlinear
differential low-pass filter for the simulation of two-dimensional barotropic flows with under …

A Finite Volume approximation of the Navier-Stokes equations with nonlinear filtering stabilization

M Girfoglio, A Quaini, G Rozza - Computers & Fluids, 2019 - Elsevier
We consider a Leray model with a nonlinear differential low-pass filter for the simulation of
incompressible fluid flow at moderately large Reynolds number (in the range of a few …

An octree-based solver for the incompressible Navier–Stokes equations with enhanced stability and low dissipation

MA Olshanskii, KM Terekhov, YV Vassilevski - Computers & Fluids, 2013 - Elsevier
The paper introduces a finite difference solver for the unsteady incompressible Navier–
Stokes equations based on adaptive cartesian octree grids. The method extends a stable …

[PDF][PDF] Fluid-structure interaction simulations with a LES filtering approach in solids4Foam

M Girfoglio, A Quaini, G Rozza - Communications in Applied and …, 2021 - intapi.sciendo.com
The goal of this paper is to test solids4Foam, the fluid-structure interaction (FSI) toolbox
developed for foam-extend (a branch of OpenFOAM), and assess its flexibility in handling …

Bridging Large Eddy Simulation and Reduced Order Modeling of Convection-Dominated Flows through Spatial Filtering: Review and Perspectives

A Quaini, O San, A Veneziani, T Iliescu - arXiv preprint arXiv:2407.00231, 2024 - arxiv.org
Reduced order models (ROMs) have achieved a lot of success in reducing the
computational cost of traditional numerical methods across many disciplines. For convection …