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 …
Towards an enhanced protection of attached boundary layers in hybrid RANS/LES methods
A robust strategy for the RANS shielding of attached boundary layers in a hybrid RANS/LES
context is presented, addressing two major issues. Firstly, the attached boundary layers …
context is presented, addressing two major issues. Firstly, the attached boundary layers …
Detached eddy simulation: Recent development and application to compressor tip leakage flow
Detached eddy simulation (DES) and its variants are emerging tools for turbomachinery
simulations. In this paper, the state-of-the-art upgrades of DES are reviewed, and their …
simulations. In this paper, the state-of-the-art upgrades of DES are reviewed, and their …
Computation method and control strategy of rotating separation flows in hydraulic machinery
C Wang, F Wang, H Wang, H Zhao, Z Yao… - Journal of …, 2022 - Springer
Rotating separation flow (RSF) in hydraulic machinery is characterized by the large flow
separations and complex vortical structures induced by the effects of strong rotation, large …
separations and complex vortical structures induced by the effects of strong rotation, large …
A new subgrid characteristic length for turbulence simulations on anisotropic grids
Direct numerical simulations of the incompressible Navier-Stokes equations are not feasible
yet for most practical turbulent flows. Therefore, dynamically less complex mathematical …
yet for most practical turbulent flows. Therefore, dynamically less complex mathematical …
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 …
Flow dynamics past a 30P30N three-element airfoil using improved delayed detached-eddy simulation
NOISE emissions from commercial aircraft during takeoff and landing are crucial limiting
factors in the expansion of current airports, both in terms of their operating hours and …
factors in the expansion of current airports, both in terms of their operating hours and …
Summary of the 4th high-lift prediction workshop hybrid rans/les technology focus group
This paper summarizes the collective efforts of multiple teams that contributed to the hybrid
RANS/LES technical focus group for the 4th AIAA CFD High Lift Prediction Workshop (HLPW …
RANS/LES technical focus group for the 4th AIAA CFD High Lift Prediction Workshop (HLPW …
Scale-resolving simulations of a civil aircraft wing transonic shock-buffet experiment
The flow physics governing the shock-buffet phenomenon on swept wings remain disputed
without an unequivocal description. Herein is a contribution to the ongoing discussion that …
without an unequivocal description. Herein is a contribution to the ongoing discussion that …
Acoustic Modeling of Compressible Jet from Chevron Nozzle: A Comparison of URANS, LES and DES Models
SP Murugu, AR Srikrishnan, BK Krishnaraj, A Jayaraj… - Symmetry, 2022 - mdpi.com
Chevron nozzles, which are characterized by the serrations at the nozzle exit, are widely
used for suppressing jet noise in aircraft engines. The noise suppression is accomplished by …
used for suppressing jet noise in aircraft engines. The noise suppression is accomplished by …