Deep learning reconstruction of high-Reynolds-number turbulent flow field around a cylinder based on limited sensors
It is of significant importance to reconstruct the high-dimensional global flow field using
limited sensor data, considering that sensors are often local and limited in full-scale …
limited sensor data, considering that sensors are often local and limited in full-scale …
A grid-adaptive simulation model for turbulent flow predictions
Hybrid Reynolds-averaged Navier–Stokes (RANS) and large eddy simulation (LES)
methods, abbreviated as hybrid RANS-LES, have been rapidly developed and increasingly …
methods, abbreviated as hybrid RANS-LES, have been rapidly developed and increasingly …
The dynamics of cylinder-wake/boundary-layer interaction revealed by turbulent transports
The flow past a cylinder near a plane wall for small gap ratios ( G/D= 0.1, 0.3, and 0.9)
and fixed Re D= 1000 is numerically studied. The fundamental flow features are …
and fixed Re D= 1000 is numerically studied. The fundamental flow features are …
Joint-mode diffusion analysis of discontinuous Galerkin methods: Towards superior dissipation estimates for nonlinear problems and implicit LES
RC Moura, LD Fernandes, AFC da Silva… - Journal of Computational …, 2024 - Elsevier
We present a new linear eigensolution analysis technique that provides superior estimates
of dissipation distribution in wavenumber space for the discontinuous Galerkin (DG) method …
of dissipation distribution in wavenumber space for the discontinuous Galerkin (DG) method …
Applications of wall-models to implicit large eddy simulations in the spectral/hp element method
An implicit large eddy simulation (iLES) method based on a spectral vanishing viscosity
(SVV) method has been well established in the framework of the spectral/hp element …
(SVV) method has been well established in the framework of the spectral/hp element …
Numerical investigation of flow past bio-inspired wavy leading-edge cylinders
A numerical investigation is proposed to explore the flow past a novel wavy circular cylinder
as a passive flow control, whose shape is determined by a sinusoidal function applied to its …
as a passive flow control, whose shape is determined by a sinusoidal function applied to its …
Large-Eddy Simulations with remeshed Vortex methods: An assessment and calibration of subgrid-scale models
This study assesses various subgrid-scale models within the framework of Large Eddy
Simulation (LES) using a remeshed Vortex method (RVM). RVM is a semi-Lagrangian …
Simulation (LES) using a remeshed Vortex method (RVM). RVM is a semi-Lagrangian …
PIV measurements of coherent vortices and turbulence production inside acoustic liner cavity with offset slit
Y Tang, P Wang, Y Liu - Experimental Thermal and Fluid Science, 2024 - Elsevier
This paper reports an experimental investigation into the vortex dynamics purely excited by
periodic acoustic waves within a slit–cavity structure, which is a typical unit element of an …
periodic acoustic waves within a slit–cavity structure, which is a typical unit element of an …
Detailed investigation of subgrid scale models in large-eddy simulation using high aspect-ratio grid spacing
K Abe - Physics of Fluids, 2021 - pubs.aip.org
In large eddy simulation (LES), we generally use information of the grid width in
representing a filter width (Δ) to evaluate a subgrid scale (SGS) model. In practical …
representing a filter width (Δ) to evaluate a subgrid scale (SGS) model. In practical …
[HTML][HTML] Eigenanalysis and non-modal analysis of collocated discontinuous Galerkin discretizations with the summation-by-parts property
IER Nolasco, A Er-Raiy, R Boukharfane… - … & Mathematics with …, 2022 - Elsevier
Guided by the von Neumann and non-modal analyses, we investigate the dispersion and
diffusion properties of collocated discontinuous Galerkin methods with the summation-by …
diffusion properties of collocated discontinuous Galerkin methods with the summation-by …