[HTML][HTML] Accuracy of CFD simulations in urban aerodynamics and microclimate: Progress and challenges

Y Tominaga, LL Wang, ZJ Zhai, T Stathopoulos - Building and Environment, 2023 - Elsevier
This review outlines historical and recent research progress on the accuracy of
computational fluid dynamics (CFD) simulations of urban aerodynamics and microclimates …

Computational wind engineering: 30 years of research progress in building structures and environment

T Potsis, Y Tominaga, T Stathopoulos - Journal of Wind Engineering and …, 2023 - Elsevier
The paper reviews the evolution of computational wind engineering from environmental and
structural perspectives, since the inaugural conference of computational wind engineering …

Comparison of hexahedral, tetrahedral and polyhedral cells for reproducing the wind field around an isolated building by LES

W Wang, Y Cao, T Okaze - Building and Environment, 2021 - Elsevier
The wind field around a 1: 1: 2 isolated building was predicted by large-eddy simulation for
evaluating the pedestrian-level wind environment. This study focused on the effects of cell …

Large-eddy simulation of flow around an isolated building: A step-by-step analysis of influencing factors on turbulent statistics

T Okaze, H Kikumoto, H Ono, M Imano, N Ikegaya… - Building and …, 2021 - Elsevier
We designed and exclusively performed a wind tunnel experiment to obtain high-quality and
high-resolution measurement results for three components of mean and fluctuating …

Impacts of urban-scale building height diversity on urban climates: A case study of Nan**g, China

C **, C Ren, J Wang, Z Feng, SJ Cao - Energy and Buildings, 2021 - Elsevier
The rapid development of urbanization is accompanied by the diversification of building
heights. It has caused cities to face problem of non-uniform distribution of urban climate …

Multi-GPU-based real-time large-eddy simulations for urban microclimate

M Yang, G Oh, T Xu, J Kim, JH Kang, JI Choi - Building and Environment, 2023 - Elsevier
This study presents an innovative real-time urban microclimate simulation strategy using a
large-eddy simulation (LES) solver deployed on a multi-GPU architecture. The present LES …

Statistical analysis of low-occurrence strong wind speeds at the pedestrian level around a simplified building based on the Weibull distribution

W Wang, T Okaze - Building and Environment, 2022 - Elsevier
In this study, low-occurrence strong wind speeds (LOSWSs) at the pedestrian level around a
high-rise building were statistically analyzed based on the two-parameter (2W) and three …

Statistical analysis for predicting low-occurrence strong wind speeds at the pedestrian level in an actual urban case

W Wang, T Okaze - Building and Environment, 2023 - Elsevier
This study validated the applicability of two statistical methods (3W and 2W methods) for
estimating low-occurrence strong wind speeds (LOSWSs) of an actual urban case (Case …

CFD analysis of cross-ventilation flow in a group of generic buildings: Comparison between steady RANS, LES and wind tunnel experiments

M Shirzadi, PA Mirzaei, Y Tominaga - Building Simulation, 2020 - Springer
Computational fluid dynamics (CFD) results generated by the steady Reynolds-averaged
Navier-Stokes equations (SRANS) model and large eddy simulation (LES) are compared …

Application of polyhedral meshes in large-eddy simulation of building array flow fields within neutral and unstable boundary layers

Y Li, T Okaze - Building and Environment, 2024 - Elsevier
Urbanization has intensified the urban heat island phenomenon, a critical concern for
human habitation in recent decades. Analyzing flow fields around building arrays is vital for …