The coupling of large eddy simulation (LES) with statistical turbulence models, ie Reynolds-
Averaged Navier–Stokes (RANS) models, is arguably the main strategy to drastically reduce …

Numerical computation methods are used more and more as tools for solving hydraulic and
environmental engineering problems, and as turbulence mostly plays an important role in …

The numerical prediction of transition from laminar to turbulent flow has proven to be an
arduous challenge for computational fluid dynamics, with few approaches providing routine …

Large eddy simulation (LES) is computationally extremely expensive for the investigation of
wall-bounded turbulent flows at high Reynolds numbers. A way to reduce the computational …

A new formulation of scale-adaptive simulation (SAS) approach for complex wall-bounded
shear flows is presented. This approach makes use of a unique modelling representation …

A technique is proposed for zonal coupling of Large Eddy Simulation (LES) with a
downstream Reynolds-Averaged Navier–Stokes (RANS) calculation. At a pre-defined …

Application of the LeMoS hybrid (LH) URANS/LES method for the wake parameters
prediction is considered. The wake fraction coefficient is calculated for inland ship model …

Abstract Several hybrid LES/RANS (LES-Large-Eddy Simulation; RANS-Reynolds-
Averaged Navier-Stokes) models have been assessed in computations of separated flows …

Diplomová práce se zabývá studiem hybridních RANS/LES metod pro modelování
turbulentního proudění se zaměřením na metodu DES a její modifikace. V teoretické části …

The present study aims to assess capability of mostly used hybrid URANS/LES methods in
dealing with a complex swirled configuration/reactor when the residence time characteristics …