A grid-adaptive simulation model for turbulent flow predictions

G Wang, Y Liu - Physics of Fluids, 2022 - pubs.aip.org
Hybrid Reynolds-averaged Navier–Stokes (RANS) and large eddy simulation (LES)
methods, abbreviated as hybrid RANS-LES, have been rapidly developed and increasingly …

A wall model learned from the periodic hill data and the law of the wall

Z Zhou, XIA Yang, F Zhang, X Yang - Physics of Fluids, 2023 - pubs.aip.org
Toward data-driven wall-modeled large-eddy simulations of different wall-bounded turbulent
flows, a wall model is learned in this work using the wall-resolved large-eddy simulation …

Coherent organizational states in turbulent pipe flow at moderate Reynolds numbers

R Jäckel, B Magacho, BE Owolabi, L Moriconi… - Physics of …, 2023 - pubs.aip.org
Turbulent pipe flow is still an essentially open area of research, boosted in the last two
decades by considerable progress achieved on both the experimental and numerical …

Large-eddy simulation of separated flows on unconventionally coarse grids

Y Bin, GI Park, Y Lv, XIA Yang - ASME …, 2023 - asmedigitalcollection.asme.org
We examine and benchmark the emerging idea of applying the large-eddy simulation (LES)
formalism to unconventionally coarse grids where RANS would be considered more …

Effects of exercise on flow characteristics in human carotids

X He, X Yang - Physics of Fluids, 2022 - pubs.aip.org
Carotid is one of the focal regions prone to atherosclerosis. Previous studies have shown
that hemodynamics plays an important role in the initiation and formation of atherosclerosis …

[PDF][PDF] Hybrid diffuse and sharp interface immersed boundary methods for particulate flows in the presence of complex boundaries

J Qin, X Yang, Z Li - Commun Comput Phys, 2022 - researchgate.net
A coupling framework that leverages the advantages of the diffuse and sharp interface
immersed boundary (IB) methods is presented for handling the interaction among particles …

Variational calculus in hybrid turbulence transport models with passive scalar

B Chaouat, R Schiestel - Journal of Turbulence, 2024 - Taylor & Francis
Non-zonal methods of hybrid Reynolds Averaged Navier–Stokes (RANS) equations-Large
Eddy Simulation (LES) with subfilter transport equations enable to simulate turbulent flows …

Effects of wall topology on statistics of cube-roughened wall turbulence

S Li, Z Zhou, D Chen, X Yuan, Q Guo… - Boundary-Layer …, 2023 - Springer
In this work, we carried out roughness-resolved direct numerical simulations of cube-
roughened turbulent channel flows to investigate the effects of aligned and staggered …

Reynolds number effect on the parameters of turbulent flows over open channels

P Kumar, A Sharma - AQUA—Water Infrastructure, Ecosystems …, 2024 - iwaponline.com
Experimental investigations were conducted to analyze the effect of Reynolds numbers on
turbulent flow properties in a nonuniform sand bed channel. Steady flow simulations were …

A foundational step towards understanding and improving the transition between URANS and LES in hybrid URANS-LES methodology

R Saini, JG Brasseur, A Mehdizadeh - Computers & Fluids, 2023 - Elsevier
Appropriate transition between URANS and LES plays an integral role in the performance of
hybrid URANS-LES techniques. However, dynamics of the transition region (also known as …