Transonic aeroelasticity: A new perspective from the fluid mode

C Gao, W Zhang - Progress in Aerospace Sciences, 2020 - Elsevier
Within the transonic regime, the aeroelastic problems exhibit many unique characteristics
compared with subsonic and supersonic cases. Although a lot of research has been carried …

Low speed flutter and limit cycle oscillations of a two-degree-of-freedom flat plate in a wind tunnel

X Amandolese, S Michelin, M Choquel - Journal of Fluids and Structures, 2013 - Elsevier
This paper explores the dynamical response of a two-degree-of-freedom flat plate
undergoing classical coupled-mode flutter in a wind tunnel. Tests are performed at low …

Flow physics and dynamics of flow-induced pitch oscillations of an airfoil

K Menon, R Mittal - Journal of Fluid Mechanics, 2019 - cambridge.org
We conduct a computational study of flow-induced pitch oscillations of a rigid airfoil at a
chord-based Reynolds number of 1000. A sharp-interface immersed boundary method is …

[HTML][HTML] Aerodynamic characteristics of a pitching airfoil with leading-edge morphing

WEN Chaoyuan, DAI Yuting, XU Yuntao… - Chinese Journal of …, 2024 - Elsevier
This paper focuses on the effect of the phase offset of Leading-Edge (LE) morphing on the
aerodynamic characteristics of a pitching NACA0012 airfoil. Assuming an unstretched …

[PDF][PDF] Numerical and experimental investigations of lift and drag performances of NACA 0015 wind turbine airfoil

İ Şahin, A Acir - International Journal of Materials, Mechanics and …, 2015 - ijmmm.org
In the present work, we studied numerical and experimentally analysis lift and drag
performances of NACA 0015 airfoil at different attack angle at low Reynolds numbers (Re) …

On the initiation and sustenance of flow-induced vibration of cylinders: insights from force partitioning

K Menon, R Mittal - Journal of Fluid Mechanics, 2021 - cambridge.org
The focus of this work is to dissect the physical mechanisms that drive and sustain flow-
induced, transverse vibrations of cylinders. The influence of different mechanisms is …

A novel long short-term memory neural-network-based self-excited force model of limit cycle oscillations of nonlinear flutter for various aerodynamic configurations

W Li, S Laima, X Jin, W Yuan, H Li - Nonlinear Dynamics, 2020 - Springer
Due to the strong nonlinear properties of the entire flutter process including growth stages,
decay stages and steady limit cycle oscillations (LCOs), the generalization of the self-excited …

On the possibility (or lack thereof) of agreement between experiment and computation of flows over wings at moderate Reynolds number

J Tank, L Smith, GR Spedding - Interface focus, 2017 - royalsocietypublishing.org
The flight of many birds and bats, and their robotic counterparts, occurs over a range of
chord-based Reynolds numbers from 1× 104 to 1.5× 105. It is precisely over this range …

Dynamic mode decomposition based analysis of flow over a sinusoidally pitching airfoil

K Menon, R Mittal - Journal of Fluids and Structures, 2020 - Elsevier
Dynamic mode decomposition (DMD) has proven to be a valuable tool for the analysis of
complex flow-fields but the application of this technique to flows with moving boundaries is …

Active flow control of a wing section in stall flutter by dielectric barrier discharge plasma actuators

M Hajipour, A Ebrahimi, X Amandolese - Physics of Fluids, 2022 - pubs.aip.org
This paper investigates the potential of using an active flow control technique to modify stall
flutter oscillations of a NACA (National Advisory Committee for Aeronautics) 0015 wing …