Modelling of jet noise: a perspective from large-eddy simulations

GA Brès, SK Lele - … Transactions of the Royal Society A, 2019 - royalsocietypublishing.org
In the last decade, many research groups have reported predictions of jet noise using high-
fidelity large-eddy simulations (LES) of the turbulent jet flow and these methods are …

Shock-induced heating and transition to turbulence in a hypersonic boundary layer

L Fu, M Karp, ST Bose, P Moin, J Urzay - Journal of Fluid Mechanics, 2021 - cambridge.org
The interaction between an incident shock wave and a Mach-6 undisturbed hypersonic
laminar boundary layer over a cold wall is addressed using direct numerical simulations …

Large eddy simulation of aircraft at affordable cost: a milestone in computational fluid dynamics

KA Goc, O Lehmkuhl, GI Park, ST Bose, P Moin - Flow, 2021 - cambridge.org
While there have been numerous applications of large eddy simulations (LES) to complex
flows, their application to practical engineering configurations, such as full aircraft models …

Large eddy simulation of the NASA high-lift common research model

K Goc, ST Bose, P Moin - AIAA SciTech 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1556. vid Large-eddy simulations
of the NASA Common Research Model-High Lift at multiple angles of attack spanning the …

Machine learning building-block-flow wall model for large-eddy simulation

A Lozano-Durán, HJ Bae - Journal of Fluid Mechanics, 2023 - cambridge.org
A wall model for large-eddy simulation (LES) is proposed by devising the flow as a
combination of building blocks. The core assumption of the model is that a finite set of simple …

Non-Boussinesq subgrid-scale model with dynamic tensorial coefficients

R Agrawal, MP Whitmore, KP Griffin, ST Bose, P Moin - Physical Review Fluids, 2022 - APS
A major drawback of Boussinesq-type subgrid-scale stress models used in large-eddy
simulations is the inherent assumption of alignment between large-scale strain rates and …

Performance of wall-modeled LES with boundary-layer-conforming grids for external aerodynamics

A Lozano-Durán, ST Bose, P Moin - AIAA Journal, 2022 - arc.aiaa.org
We investigate the error scaling and computational cost of wall-modeled large-eddy
simulation (WMLES) for external aerodynamic applications. The NASA Juncture Flow is …

Investigation of peak wind loading on a high-rise building in the atmospheric boundary layer using large-eddy simulations

MF Ciarlatani, Z Huang, D Philips, C Gorlé - Journal of Wind Engineering …, 2023 - Elsevier
Significant negative peak pressures have been observed in two recent wind tunnel
experiments of a high-rise building for certain wind directions. This peak wind loading is …

Near-wall model for compressible turbulent boundary layers based on an inverse velocity transformation

KP Griffin, L Fu, P Moin - Journal of Fluid Mechanics, 2023 - cambridge.org
In this work, a near-wall model, which couples the inverse of a recently developed
compressible velocity transformation (Griffin et al., Proc. Natl Acad. Sci., vol. 118, 2021, p …

Reynolds-number-dependence of length scales governing turbulent-flow separation in wall-modeled large eddy simulation

R Agrawal, ST Bose, P Moin - AIAA Journal, 2024 - arc.aiaa.org
This paper proposes a Reynolds number R e scaling for the number of grid points N cv
required in wall-modeled Large Eddy Simulation (WMLES) of turbulent boundary layers …