A POD-Galerkin reduced order model for a LES filtering approach
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 …
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
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 …
nonlinear filtering stabilization. Our approach, that can be interpreted as a Large Eddy …
Consistency of the full and reduced order models for evolve‐filter‐relax regularization of convection‐dominated, marginally‐resolved flows
Numerical stabilization is often used to eliminate (alleviate) the spurious oscillations
generally produced by full order models (FOMs) in under‐resolved or marginally‐resolved …
generally produced by full order models (FOMs) in under‐resolved or marginally‐resolved …
Validation of LES-C turbulence models
Y Batugedara, AE Labovsky, KJ Schwiebert - Computer Methods in Applied …, 2024 - Elsevier
A new family of turbulence models, Large Eddy Simulation with Correction (LES-C) has
been proposed in Labovsky (2020), that reduces the modeling error by treating an LES …
been proposed in Labovsky (2020), that reduces the modeling error by treating an LES …
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 …
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
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 …
relies on a linear or nonlinear indicator function to identify the regions of the domain where …
A novel Large Eddy Simulation model for the Quasi-Geostrophic equations in a Finite Volume setting
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 …
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
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 …
incompressible fluid flow at moderately large Reynolds number (in the range of a few …
Time relaxation algorithm for flow ensembles
A Takhirov, M Neda, J Waters - Numerical Methods for Partial …, 2016 - Wiley Online Library
Modeling for fast calculation of fluid flow ensembles based on time relaxation regularization
is studied herein. At each time step, the proposed model requires the storage of a single …
is studied herein. At each time step, the proposed model requires the storage of a single …
An optimally accurate discrete regularization for second order timestepping methods for Navier–Stokes equations
We propose a new, optimally accurate numerical regularization/stabilization for (a family of)
second order timestepping methods for the Navier–Stokes equations (NSE). The method …
second order timestepping methods for the Navier–Stokes equations (NSE). The method …