Recent advances in applying deep reinforcement learning for flow control: Perspectives and future directions

C Vignon, J Rabault, R Vinuesa - Physics of fluids, 2023 - pubs.aip.org
Deep reinforcement learning (DRL) has been applied to a variety of problems during the
past decade and has provided effective control strategies in high-dimensional and non …

Closed-loop turbulence control: Progress and challenges

SL Brunton, BR Noack - Applied Mechanics …, 2015 - asmedigitalcollection.asme.org
Closed-loop turbulence control is a critical enabler of aerodynamic drag reduction, lift
increase, mixing enhancement, and noise reduction. Current and future applications have …

Artificial neural networks trained through deep reinforcement learning discover control strategies for active flow control

J Rabault, M Kuchta, A Jensen, U Réglade… - Journal of fluid …, 2019 - cambridge.org
We present the first application of an artificial neural network trained through a deep
reinforcement learning agent to perform active flow control. It is shown that, in a two …

[图书][B] Machine learning control-taming nonlinear dynamics and turbulence

T Duriez, SL Brunton, BR Noack - 2017 - Springer
This book is an introduction to machine learning control (MLC), a surprisingly simple model-
free methodology to tame complex nonlinear systems. These systems are assumed to be …

Predictions of turbulent shear flows using deep neural networks

PA Srinivasan, L Guastoni, H Azizpour, P Schlatter… - Physical Review …, 2019 - APS
In the present work, we assess the capabilities of neural networks to predict temporally
evolving turbulent flows. In particular, we use the nine-equation shear flow model by Moehlis …

Robust active flow control over a range of Reynolds numbers using an artificial neural network trained through deep reinforcement learning

H Tang, J Rabault, A Kuhnle, Y Wang, T Wang - Physics of Fluids, 2020 - pubs.aip.org
This paper focuses on the active flow control of a computational fluid dynamics simulation
over a range of Reynolds numbers using deep reinforcement learning (DRL). More …

Application of convolutional neural network to predict airfoil lift coefficient

Y Zhang, WJ Sung, DN Mavris - 2018 AIAA/ASCE/AHS/ASC structures …, 2018 - arc.aiaa.org
I. Nomenclature α, AoA= angle of attack ρ= raw pixel density ρ= pixel density c= chord length
Cl= sectional lift coefficient CFD= computational fluid dynamics CNN= convolutinal neural …

Applying deep reinforcement learning to active flow control in weakly turbulent conditions

F Ren, J Rabault, H Tang - Physics of Fluids, 2021 - pubs.aip.org
Machine learning has recently become a promising technique in fluid mechanics, especially
for active flow control (AFC) applications. A recent work [Rabault et al., J. Fluid Mech. 865 …

A neural network approach for the blind deconvolution of turbulent flows

R Maulik, O San - Journal of Fluid Mechanics, 2017 - cambridge.org
We present a single-layer feed-forward artificial neural network architecture trained through
a supervised learning approach for the deconvolution of flow variables from their coarse …

Accelerating deep reinforcement learning strategies of flow control through a multi-environment approach

J Rabault, A Kuhnle - Physics of Fluids, 2019 - pubs.aip.org
Deep Reinforcement Learning (DRL) has recently been proposed as a methodology to
discover complex active flow control strategies [Rabault et al.,“Artificial neural networks …