An enhanced version of DES with rapid transition from RANS to LES in separated flows
The paper addresses the issue of the significant delay of transition from RANS to LES in
shear layers, which is known to affect the original version of Detached-Eddy Simulation …
shear layers, which is known to affect the original version of Detached-Eddy Simulation …
Synthetic turbulence generators for RANS-LES interfaces in zonal simulations of aerodynamic and aeroacoustic problems
The paper presents the detailed formulation and validation results of simple and robust
procedures for the generation of synthetic turbulence aimed at providing artificial turbulent …
procedures for the generation of synthetic turbulence aimed at providing artificial turbulent …
Global instability in the onset of transonic-wing buffet
JD Crouch, A Garbaruk, M Strelets - Journal of Fluid Mechanics, 2019 - cambridge.org
Global stability analysis is used to analyse the onset of transonic buffet on infinite swept and
unswept wings. This high-Reynolds-number flow is governed by the unsteady Reynolds …
unswept wings. This high-Reynolds-number flow is governed by the unsteady Reynolds …
Assessment of delayed DES and improved delayed DES combined with a shear-layer-adapted subgrid length-scale in separated flows
EK Guseva, AV Garbaruk, MK Strelets - Flow, turbulence and combustion, 2017 - Springer
A comparative study is conducted between the original versions of Delayed Detached-Eddy
Simulation (DDES) and Improved DDES (IDDES) and these approaches combined with a …
Simulation (DDES) and Improved DDES (IDDES) and these approaches combined with a …
Large-eddy and direct numerical simulations of the Bachalo-Johnson flow with shock-induced separation
Abstract The Bachalo-Johnson experiment on an axisymmetric bump has been a primary
validation case for turbulence models in shock-boundary-layer interactions since the 1980's …
validation case for turbulence models in shock-boundary-layer interactions since the 1980's …
On the differences in noise predictions based on solid and permeable surface Ffowcs Williams–Hawkings integral solutions
PR Spalart, KV Belyaev, ML Shur… - International …, 2019 - journals.sagepub.com
The Ffowcs Williams–Hawkings equation is widely used in computational aeroacoustics to
post-process unsteady simulations and provide the sound at distances beyond the accurate …
post-process unsteady simulations and provide the sound at distances beyond the accurate …
Direct numerical simulation of the two-dimensional speed bump flow at increasing Reynolds numbers
Abstract The Speed Bump flow model was designed by Boeing to provide a mildly three-
dimensional flow with separation from a very smooth surface, strongly controlled by the …
dimensional flow with separation from a very smooth surface, strongly controlled by the …
Experimental and numerical study of the turbulent boundary layer over shallow dimples
A very convincing experimental paper from TU Delft, of 2016, motivated this joint study. They
directly measured a reduction in drag of up to 3% for the developed turbulent boundary layer …
directly measured a reduction in drag of up to 3% for the developed turbulent boundary layer …
Direct simulation and RANS modelling of a vortex generator flow
An array of co-rotating vortex generators (VG) is placed in a supersonic boundary layer,
similar to that on an airliner wing. Direct numerical simulations (DNS) are conducted, with …
similar to that on an airliner wing. Direct numerical simulations (DNS) are conducted, with …
Jet noise computation based on enhanced DES formulations accelerating the RANS-to-LES transition in free shear layers
ML Shur, PR Spalart… - International Journal of …, 2016 - journals.sagepub.com
The paper presents jet noise computations performed using the original and some recently
proposed modified formulations of detached-eddy simulation, based on alternative …
proposed modified formulations of detached-eddy simulation, based on alternative …