Super-resolution analysis via machine learning: a survey for fluid flows

K Fukami, K Fukagata, K Taira - Theoretical and Computational Fluid …, 2023 - Springer
This paper surveys machine-learning-based super-resolution reconstruction for vortical
flows. Super resolution aims to find the high-resolution flow fields from low-resolution data …

A review on deep reinforcement learning for fluid mechanics: An update

J Viquerat, P Meliga, A Larcher, E Hachem - Physics of Fluids, 2022 - pubs.aip.org
In the past couple of years, the interest of the fluid mechanics community for deep
reinforcement learning techniques has increased at fast pace, leading to a growing …

Deep reinforcement learning for turbulent drag reduction in channel flows

L Guastoni, J Rabault, P Schlatter, H Azizpour… - The European Physical …, 2023 - Springer
We introduce a reinforcement learning (RL) environment to design and benchmark control
strategies aimed at reducing drag in turbulent fluid flows enclosed in a channel. The …

Reinforcement-learning-based control of confined cylinder wakes with stability analyses

J Li, M Zhang - Journal of Fluid Mechanics, 2022 - cambridge.org
This work studies the application of a reinforcement learning (RL)-based flow control
strategy to the flow past a cylinder confined between two walls to suppress vortex shedding …

DRLinFluids: An open-source Python platform of coupling deep reinforcement learning and OpenFOAM

Q Wang, L Yan, G Hu, C Li, Y **ao, H **ong… - Physics of …, 2022 - pubs.aip.org
We propose an open-source Python platform for applications of deep reinforcement learning
(DRL) in fluid mechanics. DRL has been widely used in optimizing decision making in …

Deep reinforcement learning-based active flow control of vortex-induced vibration of a square cylinder

W Chen, Q Wang, L Yan, G Hu, BR Noack - Physics of Fluids, 2023 - pubs.aip.org
We mitigate vortex-induced vibrations of a square cylinder at a Reynolds number of 100
using deep reinforcement learning (DRL)-based active flow control (AFC). The proposed …

From active learning to deep reinforcement learning: Intelligent active flow control in suppressing vortex-induced vibration

C Zheng, T Ji, F **e, X Zhang, H Zheng, Y Zheng - Physics of Fluids, 2021 - pubs.aip.org
In the present work, an efficient active flow control strategy in eliminating vortex-induced
vibration of a cylinder at Re= 100 has been explored by two machine learning frameworks …

Flow control in wings and discovery of novel approaches via deep reinforcement learning

R Vinuesa, O Lehmkuhl, A Lozano-Durán, J Rabault - Fluids, 2022 - mdpi.com
In this review, we summarize existing trends of flow control used to improve the aerodynamic
efficiency of wings. We first discuss active methods to control turbulence, starting with flat …

Deep reinforcement learning based synthetic jet control on disturbed flow over airfoil

YZ Wang, YF Mei, N Aubry, Z Chen, P Wu, WT Wu - Physics of Fluids, 2022 - pubs.aip.org
This paper applies deep reinforcement learning (DRL) on the synthetic jet control of flows
over an NACA (National Advisory Committee for Aeronautics) 0012 airfoil under weak …

Comparative analysis of machine learning methods for active flow control

F Pino, L Schena, J Rabault… - Journal of Fluid …, 2023 - cambridge.org
Machine learning frameworks such as genetic programming and reinforcement learning
(RL) are gaining popularity in flow control. This work presents a comparative analysis of the …