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 large-eddy simulation of turbulent boundary layer with spatially varying pressure gradients

I Hayat, GI Park - AIAA Journal, 2024 - arc.aiaa.org
Wall-modeled large-eddy simulations of turbulent boundary layers subjected to spatially
varying streamwise pressure gradients are conducted to assess the predictive performance …

Longer time accuracy for incompressible Navier–Stokes simulations with the EMAC formulation

MA Olshanskii, LG Rebholz - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
In this paper, we consider the recently introduced EMAC formulation for the incompressible
Navier–Stokes (NS) equations, which is the only known NS formulation that conserves …

Heterogeneous CPU/GPU co-execution of CFD simulations on the POWER9 architecture: Application to airplane aerodynamics

R Borrell, D Dosimont, M Garcia-Gasulla… - Future Generation …, 2020 - Elsevier
Abstract High fidelity Computational Fluid Dynamics simulations are generally associated
with large computing requirements, which are progressively acute with each new generation …

[HTML][HTML] Wall-modeled lattice Boltzmann large-eddy simulation of neutral atmospheric boundary layers

H Asmuth, CF Janßen, H Olivares-Espinosa… - Physics of fluids, 2021 - pubs.aip.org
The lattice Boltzmann method (LBM) sees a growing popularity in the field of atmospheric
sciences and wind energy, largely due to its excellent computational performance. Still, LBM …

Forest density is more effective than tree rigidity at reducing the onshore energy flux of tsunamis

A Mukherjee, JC Cajas, G Houzeaux, O Lehmkuhl… - Coastal …, 2023 - Elsevier
Communities around the world are increasingly interested in nature-based solutions to the
mitigation of coastal risks by coastal forests, but it remains unclear how much protective …

[PDF][PDF] Large-eddy simulation of practical aeronautical flows at stall conditions

O Lehmkuhl, GI Park, ST Bose… - Proceedings of the 2018 …, 2018 - researchgate.net
The present study examines the performance of wall-modeled large-eddy simulation in flows
over realistic aircraft geometry using state-of-the-art methodologies for lowdissipation LES …

Wall-modelled large-eddy simulation of three-dimensional turbulent boundary layer in a bent square duct

X Hu, I Hayat, GI Park - Journal of Fluid Mechanics, 2023 - cambridge.org
We conduct wall-modelled large-eddy simulation (WMLES) of a pressure-driven three-
dimensional turbulent boundary layer developing on the floor of a bent square duct to …

Toward the usage of deep learning surrogate models in ground vehicle aerodynamics

B Eiximeno, A Miró, I Rodríguez, O Lehmkuhl - Mathematics, 2024 - mdpi.com
This study introduces a deep learning surrogate model designed to predict the evolution of
the mean pressure coefficient on the back face of a Windsor body across a range of yaw …

Remoras pick where they stick on blue whales

BE Flammang, S Marras, EJ Anderson… - Journal of …, 2020 - journals.biologists.com
Animal-borne video recordings from blue whales in the open ocean show that remoras
preferentially adhere to specific regions on the surface of the whale. Using empirical and …