Modal analysis of fluid flows: An overview

K Taira, SL Brunton, STM Dawson, CW Rowley… - Aiaa Journal, 2017 - arc.aiaa.org
SIMPLE aerodynamic configurations under even modest conditions can exhibit complex
flows with a wide range of temporal and spatial features. It has become common practice in …

Global linear instability

V Theofilis - Annual Review of Fluid Mechanics, 2011 - annualreviews.org
This article reviews linear instability analysis of flows over or through complex two-
dimensional (2D) and 3D geometries. In the three decades since it first appeared in the …

Modal analysis of fluid flows: Applications and outlook

K Taira, MS Hemati, SL Brunton, Y Sun, K Duraisamy… - AIAA journal, 2020 - arc.aiaa.org
THE field of fluid mechanics involves a range of rich and vibrant problems with complex
dynamics stemming from instabilities, nonlinearities, and turbulence. The analysis of these …

Dynamics and control of global instabilities in open-flows: a linearized approach

D Sipp, O Marquet, P Meliga, A Barbagallo - 2010 - asmedigitalcollection.asme.org
This review article addresses the dynamics and control of low-frequency unsteadiness, as
observed in some aerodynamic applications. It presents a coherent and rigorous linearized …

Closed-loop control of an open cavity flow using reduced-order models

A Barbagallo, D Sipp, PJ Schmid - Journal of Fluid Mechanics, 2009 - cambridge.org
The control of separated fluid flow by reduced-order models is studied using the two-
dimensional incompressible flow over an open square cavity at Reynolds numbers where …

Instability evolution in the hypersonic boundary layer over a wavy wall

WK Zhu, DW Gu, WF Si, MJ Zhang, SY Chen… - Journal of Fluid …, 2022 - cambridge.org
The effects of a wavy wall on the stability of a hypersonic boundary layer on a flared cone
are investigated by detailed experimental measurements and direct numerical simulations …

The lid-driven cavity

HC Kuhlmann, F Romanò - … Modelling of Bifurcations and Instabilities in …, 2019 - Springer
The lid-driven cavity is an important fluid mechanical system serving as a benchmark for
testing numerical methods and for studying fundamental aspects of incompressible flows in …

Two-dimensional compressible viscous flow around a circular cylinder

D Canuto, K Taira - Journal of fluid mechanics, 2015 - cambridge.org
Direct numerical simulation is performed to study compressible viscous flow around a
circular cylinder. The present study considers two-dimensional shock-free continuum flow by …

Unsteady control of supersonic turbulent cavity flow based on resolvent analysis

Q Liu, Y Sun, CA Yeh, LS Ukeiley… - Journal of Fluid …, 2021 - cambridge.org
We use resolvent analysis to develop a physics-based, open-loop, unsteady control strategy
to attenuate pressure fluctuations in turbulent flow over a rectangular cavity with a length-to …

Interaction between feedback aeroacoustic and acoustic resonance mechanisms in a cavity flow: a global stability analysis

S Yamouni, D Sipp, L Jacquin - Journal of Fluid Mechanics, 2013 - cambridge.org
We perform a global stability analysis of a flow over an open cavity, characterized by a
Reynolds number, based on the upstream velocity and the cavity length, of. At low Mach …