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 …
Large eddy simulation with modeled wall-stress: recent progress and future directions
The paper provides a brief introduction to the near-wall problem of LES and how it can be
solved through modeling of the near-wall turbulence. The distinctions and key differences …
solved through modeling of the near-wall turbulence. The distinctions and key differences …
An energy-efficient pathway to turbulent drag reduction
Simulations and experiments at low Reynolds numbers have suggested that skin-friction
drag generated by turbulent fluid flow over a surface can be decreased by oscillatory motion …
drag generated by turbulent fluid flow over a surface can be decreased by oscillatory motion …
Scientific multi-agent reinforcement learning for wall-models of turbulent flows
HJ Bae, P Koumoutsakos - Nature Communications, 2022 - nature.com
The predictive capabilities of turbulent flow simulations, critical for aerodynamic design and
weather prediction, hinge on the choice of turbulence models. The abundance of data from …
weather prediction, hinge on the choice of turbulence models. The abundance of data from …
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 …
Log-layer mismatch and modeling of the fluctuating wall stress in wall-modeled large-eddy simulations
Log-layer mismatch refers to a chronic problem found in wall-modeled large-eddy simulation
(WMLES) or detached-eddy simulation, where the modeled wall-shear stress deviates from …
(WMLES) or detached-eddy simulation, where the modeled wall-shear stress deviates from …
Simulation and validation of a spatially evolving turbulent boundary layer up to Reθ= 8300
G Eitel-Amor, R Örlü, P Schlatter - International Journal of Heat and Fluid …, 2014 - Elsevier
Results of a finely resolved large-eddy simulation (LES) of a spatially developing zero-
pressure-gradient turbulent boundary layer up to a Reynolds number of Re θ= 8300 are …
pressure-gradient turbulent boundary layer up to a Reynolds number of Re θ= 8300 are …
[HTML][HTML] 高雷诺数壁湍流的研究进展及挑战
郑晓静， 王国华 - 力学进展, 2020 - lxjz.cstam.org.cn
高雷诺数壁湍流(high Reynolds number wall-bounded turbulence, HRNWT)
是目前湍流科学研究的一个热点也是一个难点, 对其现象, 规律及机制的认知不足 …
是目前湍流科学研究的一个热点也是一个难点, 对其现象, 规律及机制的认知不足 …
Scaling of the streamwise turbulence intensity in the context of inner-outer interactions in wall turbulence
The classical view of wall-bounded turbulence considers a near-wall inner region where all
velocity statistics are universally dependent on distance from the wall when scaled with …
velocity statistics are universally dependent on distance from the wall when scaled with …
Reynolds stress scaling in the near-wall region of wall-bounded flows
A new scaling is derived that yields a Reynolds-number-independent profile for all
components of the Reynolds stress in the near-wall region of wall-bounded flows, including …
components of the Reynolds stress in the near-wall region of wall-bounded flows, including …