Wall-modeled large-eddy simulation for complex turbulent flows
Large-eddy simulation (LES) has proven to be a computationally tractable approach to
simulate unsteady turbulent flows. However, prohibitive resolution requirements induced by …
simulate unsteady turbulent flows. However, prohibitive resolution requirements induced by …
A review of turbulent skin-friction drag reduction by near-wall transverse forcing
The quest for reductions in fuel consumption and CO 2 emissions in transport has been a
powerful driving force for scientific research into methods that might underpin drag-reducing …
powerful driving force for scientific research into methods that might underpin drag-reducing …
[HTML][HTML] Grid-point and time-step requirements for direct numerical simulation and large-eddy simulation
XIA Yang, KP Griffin - Physics of Fluids, 2021 - pubs.aip.org
We revisit the grid-point requirement estimates in Choi and Moin [“Grid-point requirements
for large eddy simulation: Chapman's estimates revisited,” Phys. Fluids 24, 011702 (2012)] …
for large eddy simulation: Chapman's estimates revisited,” Phys. Fluids 24, 011702 (2012)] …
Direct numerical simulation of turbulent channel flow up to
A direct numerical simulation of incompressible channel flow at a friction Reynolds number
($\mathit {Re} _ {{\it\tau}} $) of 5186 has been performed, and the flow exhibits a number of …
($\mathit {Re} _ {{\it\tau}} $) of 5186 has been performed, and the flow exhibits a number of …
Wall turbulence at high friction Reynolds numbers
A new direct numerical simulation of a Poiseuille channel flow has been conducted for a
friction Reynolds number of 10 000, using the pseudospectral code LISO. The mean …
friction Reynolds number of 10 000, using the pseudospectral code LISO. The mean …
Coherent structures in wall-bounded turbulence
J Jiménez - Journal of Fluid Mechanics, 2018 - cambridge.org
This article discusses the description of wall-bounded turbulence as a deterministic high-
dimensional dynamical system of interacting coherent structures, defined as eddies with …
dimensional dynamical system of interacting coherent structures, defined as eddies with …
Two-point statistics for turbulent boundary layers and channels at Reynolds numbers up to δ+≈ 2000
Two-point statistics are presented for a new direct simulation of the zero-pressure-gradient
turbulent boundary layer in the range Re θ= 2780–6680, and compared with channels in the …
turbulent boundary layer in the range Re θ= 2780–6680, and compared with channels in the …
Time-resolved evolution of coherent structures in turbulent channels: characterization of eddies and cascades
A Lozano-Durán, J Jiménez - Journal of fluid mechanics, 2014 - cambridge.org
A novel approach to the study of the kinematics and dynamics of turbulent flows is
presented. The method involves tracking in time coherent structures, and provides all of the …
presented. The method involves tracking in time coherent structures, and provides all of the …
[HTML][HTML] A pencil distributed finite difference code for strongly turbulent wall-bounded flows
EP Van Der Poel, R Ostilla-Mónico, J Donners… - Computers & …, 2015 - Elsevier
We present a numerical scheme geared for high performance computation of wall-bounded
turbulent flows. The number of all-to-all communications is decreased to only six instances …
turbulent flows. The number of all-to-all communications is decreased to only six instances …
Dynamic slip wall model for large-eddy simulation
Wall modelling in large-eddy simulation (LES) is necessary to overcome the prohibitive near-
wall resolution requirements in high-Reynolds-number turbulent flows. Most existing wall …
wall resolution requirements in high-Reynolds-number turbulent flows. Most existing wall …