An invitation to resolvent analysis

LV Rolandi, JHM Ribeiro, CA Yeh, K Taira - … and Computational Fluid …, 2024 - Springer
Resolvent analysis is a powerful tool that can reveal the linear amplification mechanisms
between the forcing inputs and the response outputs about a base flow. These mechanisms …

Linstab2D: stability and resolvent analysis of compressible viscous flows in MATLAB

E Martini, O Schmidt - Theoretical and Computational Fluid Dynamics, 2024 - Springer
We present LinStab2D, an easy-to-use linear stability analysis MATLAB tool capable of
handling complex domains, performing temporal and spatial linear stability, and resolvent …

Active noise control of a supersonic underexpanded planar jet guided by resolvent analysis

LL Liang, ZH Wan, MX She, DJ Sun… - Journal of Fluid …, 2024 - cambridge.org
This study is dedicated to achieving efficient active noise control in a supersonic
underexpanded planar jet, utilizing control parameters informed by resolvent analysis. The …

Three-dimensional receptivity of hypersonic sharp and blunt cones to free-stream planar waves using hierarchical input-output analysis

DA Cook, JW Nichols - Physical Review Fluids, 2024 - APS
Understanding the receptivity of hypersonic flows to free-stream disturbances is crucial for
predicting laminar to turbulent boundary layer transition. Input-output analysis as a …

RSVD-? t: A Unified Algorithm for Streamlined Analysis of Large-scale Flows via Resolvent and Harmonic Resolvent Analyses

A Farghadan - 2024 - deepblue.lib.umich.edu
This thesis introduces a novel approach to resolvent analysis, a powerful framework for
understanding coherent structures in turbulent flows. Resolvent analysis characterizes input …

[PDF][PDF] AN EFFICIENT ALGORITHM FOR RESOLVENT AND HARMONIC RESOLVENT ANALYSES

A Farghadan, A Towne - tsfp-conference.org
We present a recent algorithm, known as RSVD-At, for computing resolvent and harmonic
resolvent modes for large systems. Originally developed for stationary steady-state flows …

Efficient harmonic resolvent analysis via time stepping

A Farghadan, J Jung, R Bhagwat, A Towne - … and Computational Fluid …, 2024 - Springer
We present an extension of the RSVD-\(\Delta t\) algorithm initially developed for resolvent
analysis of statistically stationary flows to handle harmonic resolvent analysis of time …

Resolvent-Based Estimation of Wavepackets in Turbulent Jets

A Towne, R Bhagwat, Y Zhou, J Jung… - 30th AIAA/CEAS …, 2024 - arc.aiaa.org
We aim to reduce the noise emitted by high-speed turbulent jets using recently developed
resolvent-based estimation and control tools. Our approach relies on detecting noise …