Deep reinforcement learning finds a new strategy for vortex-induced vibration control

F Ren, C Wang, J Song, H Tang - Journal of Fluid Mechanics, 2024 - cambridge.org
As a promising machine learning method for active flow control (AFC), deep reinforcement
learning (DRL) has been successfully applied in various scenarios, such as the drag …

Suppression of vortex shedding using a slit through the circular cylinder at low Reynolds number

A Mishra, A De - European Journal of Mechanics-B/Fluids, 2021 - Elsevier
The present article aims to study the suppression of vortex shedding using a passive flow
control technique (slit through a circular cylinder) in the laminar regime (Re= 100–500). The …

Simultaneous vortex-and wake-induced vibration suppression of tandem-arranged circular cylinders using active feedback control system

AH Rabiee, M Esmaeili - Journal of Sound and Vibration, 2020 - Elsevier
This paper deals with the active flow-induced vibration (FIV) suppression of two identical
tandem-arranged circular cylinders at a low Reynolds number of R e= 100. The adopted …

Active control of vortex-induced vibrations of a circular cylinder using windward-suction-leeward-blowing actuation

C Wang, H Tang, S Yu, F Duan - Physics of Fluids, 2016 - pubs.aip.org
This paper studies the control of two-dimensional vortex-induced vibrations (VIVs) of a
single circular cylinder at a Reynolds number of 100 using a novel windward-suction …

Effect of the flow incidence angle on the VIV-based energy harvesting from triple oscillating cylinders

AH Rabiee, M Esmaeili - Sustainable Energy Technologies and …, 2023 - Elsevier
The current article is a numerical investigation into the energy harvesting characteristics of
the turbulent vortex-induced vibration (VIV) of three sprung circular cylinders located at the …

Intelligent VIV control of 2DOF sprung cylinder in laminar shear-thinning and shear-thickening cross-flow based on self-tuning fuzzy PID algorithm

SM Hasheminejad, R Fallahi - Marine Structures, 2023 - Elsevier
A self-tuning fuzzy PID (ST-FPID) control scheme is implemented within a joint interactive
(Matlab/Simulink/Fluent) co-simulation framework for effective two degrees of freedom …

Hybrid active flow induced vibration control of a circular cylinder equipped with a wake-mounted smart piezoelectric bimorph splitter plate

SM Hasheminejad, Y Masoumi - Journal of Fluids and Structures, 2022 - Elsevier
A two-dimensional numerical study on active flow induced vibration (FIV) suppression of an
elastically suspended circular cylinder fitted with a thin smart flexural-mode (bender-type) …

Robust observer-based adaptive fuzzy sliding mode controller

A Oveisi, T Nestorović - Mechanical Systems and Signal Processing, 2016 - Elsevier
In this paper, a new observer-based adaptive fuzzy integral sliding mode controller is
proposed based on the Lyapunov stability theorem. The plant is subjected to a square …

The potential of electrical impedance on the performance of galloping systems for energy harvesting and control applications

H Abdelmoula, A Abdelkefi - Journal of Sound and Vibration, 2016 - Elsevier
Performances of galloping-based piezoelectric systems for energy harvesting and control
applications when considering complex electrical impedance are investigated. The …

Effect of aligned magnetic field on the 2DOF VIV suppression and convective heat transfer characteristics of a circular cylinder

AA Mosaferi, M Esmaeili, AH Rabiee - International Communications in …, 2022 - Elsevier
The present study numerically explores vortex-induced vibration (VIV) and convective heat
transfer around a sprung cylinder under influence of the uniform streamwise and transverse …