LES and RANS for turbulent flow over arrays of wall-mounted obstacles

Z Xie, IP Castro - Flow, Turbulence and Combustion, 2006 - Springer
Large-eddy simulation (LES) has been applied to calculate the turbulent flow over staggered
wall-mounted cubes and staggered random arrays of obstacles with area density 25%, at …

Improved k–ε model and wall function formulation for the RANS simulation of ABL flows

A Parente, C Gorlé, J Van Beeck, C Benocci - Journal of wind engineering …, 2011 - Elsevier
The simulation of Atmospheric Boundary Layer (ABL) flows is usually performed using the
commercial CFD codes with RANS turbulence modelling and standard sand–grain rough …

Flow around a cube in a turbulent boundary layer: LES and experiment

HC Lim, TG Thomas, IP Castro - Journal of Wind Engineering and Industrial …, 2009 - Elsevier
We present a numerical simulation of flow around a surface mounted cube placed in a
turbulent boundary layer which, although representing a typical wind environment, has been …

[HTML][HTML] Large eddy simulation of the neutral atmospheric boundary layer: performance evaluation of three inflow methods for terrains with different roughness

R Vasaturo, I Kalkman, B Blocken… - Journal of Wind …, 2018 - Elsevier
In large eddy simulations (LES) of the atmospheric boundary layer (ABL), the choice of
inflow method and the specification of surface roughness are crucial for obtaining accurate …

The effects of canopy leaf area index on airflow across forest edges: large-eddy simulation and analytical results

M Cassiani, GG Katul, JD Albertson - Boundary-layer meteorology, 2008 - Springer
The structure of turbulent flows along a transition between tall-forested canopies and forest
clearings continues to be an active research topic in canopy turbulence. The difficulties in …

A comprehensive modelling approach for the neutral atmospheric boundary layer: consistent inflow conditions, wall function and turbulence model

A Parente, C Gorlé, J van Beeck, C Benocci - Boundary-layer meteorology, 2011 - Springer
We report on a novel approach for the Reynolds-averaged Navier-Stokes (RANS) modelling
of the neutral atmospheric boundary layer (ABL), using the standard k-ε turbulence model. A …

CFD simulation of flow and dispersion around an isolated building: Effect of inhomogeneous ABL and near-wall treatment

ZT Ai, CM Mak - Atmospheric Environment, 2013 - Elsevier
This paper presents a study of the effect of the inhomogeneous atmospheric boundary layer
(ABL) and near-wall treatment on a computational fluid dynamics (CFD) simulation of the …

CFD analysis of the influence of a perimeter wall on the natural gas dispersion from an LNG pool

M Bellegoni, F Ovidi, G Landucci, L Tognotti… - Process Safety and …, 2021 - Elsevier
We developed an innovative tool to support the simulation of gas dispersion from liquefied
natural gas pools in presence of obstacles. For the first time, the systematic evaluation of the …

Large-eddy simulation of mesoscale circulations forced by inhomogeneous urban heat island

N Zhang, X Wang, Z Peng - Boundary-layer meteorology, 2014 - Springer
The large-eddy simulation mode of the Weather Research and Forecasting model is
employed to simulate the planetary boundary-layer characteristics and mesoscale …

On the convergence and capability of the large-eddy simulation of concentration fluctuations in passive plumes for a neutral boundary layer at infinite Reynolds …

H Ardeshiri, M Cassiani, SY Park, A Stohl… - Boundary-Layer …, 2020 - Springer
Large-eddy simulation (LES) experiments have been performed using the Parallelized LES
Model (PALM). A methodology for validating and understanding LES results for plume …