Turbulence modeling in the age of data

K Duraisamy, G Iaccarino, H Xiao - Annual review of fluid …, 2019 - annualreviews.org
Data from experiments and direct simulations of turbulence have historically been used to
calibrate simple engineering models such as those based on the Reynolds-averaged Navier …

Quantification of model uncertainty in RANS simulations: A review

H Xiao, 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 …

Physics-informed machine learning approach for augmenting turbulence models: A comprehensive framework

JL Wu, H Xiao, E Paterson - Physical Review Fluids, 2018 - APS
Reynolds-averaged Navier-Stokes (RANS) equations are widely used in engineering
turbulent flow simulations. However, RANS predictions may have large discrepancies due to …

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 …

Subgrid-scale model for large-eddy simulation of isotropic turbulent flows using an artificial neural network

Z Zhou, G He, S Wang, G Jin - Computers & Fluids, 2019 - Elsevier
An artificial neural network (ANN) is used to establish the relation between the resolved-
scale flow field and the subgrid-scale (SGS) stress tensor, to develop a new SGS model for …

Feature selection and processing of turbulence modeling based on an artificial neural network

Y Yin, P Yang, Y Zhang, H Chen, S Fu - Physics of Fluids, 2020 - pubs.aip.org
Data-driven turbulence modeling has been considered an effective method for improving the
prediction accuracy of Reynolds-averaged Navier–Stokes equations. Related studies aimed …

Flows over periodic hills of parameterized geometries: A dataset for data-driven turbulence modeling from direct simulations

H Xiao, JL Wu, S Laizet, L Duan - Computers & Fluids, 2020 - Elsevier
Computational fluid dynamics models based on Reynolds-averaged Navier–Stokes
equations with turbulence closures still play important roles in engineering design and …

Prediction of turbulent heat transfer using convolutional neural networks

J Kim, C Lee - Journal of Fluid Mechanics, 2020 - cambridge.org
With the recent rapid development of artificial intelligence (AI) and wide applications in many
areas, some fundamental questions in turbulence research can be addressed, such as:'Can …

Unsteady flow prediction from sparse measurements by compressed sensing reduced order modeling

X Zhang, T Ji, F Xie, H Zheng, Y Zheng - Computer Methods in Applied …, 2022 - Elsevier
Prediction of complex fluid flows from sparse and noisy sensor measurements is widely
applied to many engineering fields. In the present study, a novel compressed sensing …

[HTML][HTML] Xcompact3D: An open-source framework for solving turbulence problems on a Cartesian mesh

P Bartholomew, G Deskos, RAS Frantz, FN Schuch… - SoftwareX, 2020 - Elsevier
Xcompact3D is a Fortran 90–95 open-source framework designed for fast and accurate
simulations of turbulent flows, targeting CPU-based supercomputers. It is an evolution of the …