An immersed boundary method for wall-modeled large-eddy simulation of turbulent high-Mach-number flows

W van Noordt, S Ganju, C Brehm - Journal of Computational Physics, 2022 - Elsevier
The excessive computational resource requirements for direct numerical simulation (DNS)
and wall-resolved large eddy simulation (LES) make these methods intractable for …

Wall-modeled LES of shock-wave/boundary layer interaction

F De Vanna, M Bernardini, F Picano, E Benini - International Journal of …, 2022 - Elsevier
The present paper discusses the physical reliability of turbulence modeling in an adverse
pressure gradient wall flow setup at moderate/high Reynolds number by comparing wall …

Survey of machine-learning wall models for large-eddy simulation

A Vadrot, XIA Yang, M Abkar - Physical Review Fluids, 2023 - APS
This survey investigates wall modeling in large-eddy simulations (LES) using data-driven
machine-learning (ML) techniques. To this end, we implement three ML wall models in an …

[HTML][HTML] Log-law recovery through reinforcement-learning wall model for large eddy simulation

A Vadrot, XIA Yang, HJ Bae, M Abkar - Physics of Fluids, 2023 - pubs.aip.org
This paper focuses on the use of reinforcement learning (RL) as a machine-learning (ML)
modeling tool for near-wall turbulence. RL has demonstrated its effectiveness in solving high …

Advanced Modeling of Flow and Heat Transfer in Rotating Disk Cavities Using Open-Source Computational Fluid Dynamics

R Wang, F Gao, JW Chew… - … of Engineering for …, 2024 - asmedigitalcollection.asme.org
Code_Saturne, an open-source computational fluid dynamics (CFD) code, has been applied
to a range of problems related to turbomachinery internal air systems. These include a …

LES wall modeling for heat transfer at high speeds

PES Chen, Y Lv, HHA Xu, Y Shi, XIA Yang - Physical Review Fluids, 2022 - APS
A practical application of universal wall scalings is near-wall turbulence modeling. In this
paper, we exploit the semilocal scaling [Patel, Boersma, and Pecnik, Phys. Rev. Fluids, 2 …

Direct numerical simulation of slot film cooling downstream of misaligned plates

HHA Xu, S Lynch, XIA Yang - Flow, 2022 - cambridge.org
When manufacturing a turbine engine, the combustor annulus and the turbine annulus are
created as separate parts and assembled. This leads to an inter-platform gap between the …

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 …

Wall-model integrated computational framework for large-eddy simulations of wall-bounded flows

Y Lv, XLD Huang, X Yang, XIA Yang - Physics of Fluids, 2021 - pubs.aip.org
The wall-modeled large-eddy simulation (WMLES) computational framework generally
includes a wall-model solver outside the large-eddy simulation (LES) infrastructure, with the …

Advanced Modelling of Flow and Heat Transfer in Rotating Disc Cavities Using Open-Source CFD

R Wang, F Gao, JW Chew… - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Code_Saturne, an open-source computational fluid dynamics (CFD) code, has been applied
to a range of problems related to turbomachinery internal air systems. These include a …