Quantification of model uncertainty in RANS simulations: A review

H **ao, P Cinnella - Progress in Aerospace Sciences, 2019 - Elsevier
In computational fluid dynamics simulations of industrial flows, models based on the
Reynolds-averaged Navier–Stokes (RANS) equations are expected to play an important …

[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 …

[HTML][HTML] Pedestrian-level wind conditions around buildings: Review of wind-tunnel and CFD techniques and their accuracy for wind comfort assessment

B Blocken, T Stathopoulos, J Van Beeck - Building and Environment, 2016 - Elsevier
Abstract Information on pedestrian-level wind (PLW) speed for wind comfort assessment can
be obtained by wind-tunnel measurements or Computational Fluid Dynamics (CFD) …

An interpretable framework of data-driven turbulence modeling using deep neural networks

C Jiang, R Vinuesa, R Chen, J Mi, S Laima, H Li - Physics of Fluids, 2021 - pubs.aip.org
Reynolds-averaged Navier–Stokes simulations represent a cost-effective option for practical
engineering applications, but are facing ever-growing demands for more accurate …

Eigenspace perturbations for uncertainty estimation of single-point turbulence closures

G Iaccarino, AA Mishra, S Ghili - Physical Review Fluids, 2017 - APS
Reynolds-averaged Navier-Stokes (RANS) models represent the workhorse for predicting
turbulent flows in complex industrial applications. However, RANS closures introduce a …

Data-driven quantification of model-form uncertainty in Reynolds-averaged simulations of wind farms

A Eidi, N Zehtabiyan-Rezaie, R Ghiassi, X Yang… - Physics of …, 2022 - pubs.aip.org
Computational fluid dynamics using the Reynolds-averaged Navier–Stokes (RANS) remains
the most cost-effective approach to study wake flows and power losses in wind farms. The …

Predictive large eddy simulations for urban flows: Challenges and opportunities

C García-Sánchez, J van Beeck, C Gorlé - Building and Environment, 2018 - Elsevier
Computational fluid dynamics predictions of urban flow are subject to several sources of
uncertainty, such as the definition of the inflow boundary conditions or the turbulence model …

Confronting grand challenges in environmental fluid mechanics

T Dauxois, T Peacock, P Bauer, CP Caulfield… - Physical review fluids, 2021 - APS
Environmental fluid mechanics underlies a wealth of natural, industrial, and, by extension,
societal challenges. In the coming decades, as we strive towards a more sustainable planet …

Design exploration and optimization under uncertainty

AA Mishra, J Mukhopadhaya, J Alonso, G Iaccarino - Physics of Fluids, 2020 - pubs.aip.org
Computational strategies that explicitly quantify uncertainties are becoming increasingly
used in aerospace applications to improve the consistency in reliability, robustness, and …

Quantifying structural uncertainties in Reynolds-averaged Navier–Stokes simulations of wind turbine wakes

SD Hornshøj-Møller, PD Nielsen, P Forooghi… - Renewable Energy, 2021 - Elsevier
Abstract Reynolds-averaged Navier Stokes (RANS) based modeling is considered the
mainstream computational fluid dynamics (CFD) approach for wind energy applications …