A review on turbulent and vortical flow analyses via complex networks

G Iacobello, L Ridolfi, S Scarsoglio - Physica A: Statistical Mechanics and …, 2021 - Elsevier
Turbulent and vortical flows are ubiquitous and their characterization is crucial for the
understanding of several natural and industrial processes. Among different techniques to …

Network-based analysis of fluid flows: Progress and outlook

K Taira, AG Nair - Progress in Aerospace Sciences, 2022 - Elsevier
The network of interactions among fluid elements and coherent structures gives rise to the
incredibly rich dynamics of vortical flows. These interactions can be described with the use …

Suppression of thermoacoustic instability by targeting the hubs of the turbulent networks in a bluff body stabilized combustor

A Krishnan, RI Sujith, N Marwan… - Journal of Fluid …, 2021 - cambridge.org
In the present study, we quantify the vorticity interactions in a bluff body stabilized turbulent
combustor during the transition from combustion noise to thermoacoustic instability via …

Large-to-small scale frequency modulation analysis in wall-bounded turbulence via visibility networks

G Iacobello, L Ridolfi, S Scarsoglio - Journal of Fluid Mechanics, 2021 - cambridge.org
Scale interaction is studied in wall-bounded turbulence by focusing on the frequency
modulation (FM) mechanism of the large scales on small-scale velocity fluctuations. Different …

[HTML][HTML] Investigating the magnitude and temporal localization of inertial particle mixing in turbulent channel flows

D Perrone, JGM Kuerten, L Ridolfi… - International Journal of …, 2023 - Elsevier
Mixing of inertial point particles in a turbulent channel flow at Re τ= 950 is investigated by
means of direct numerical simulations. We consider inertial particles, at varying Stokes …

Experimental investigation of vertical turbulent transport of a passive scalar in a boundary layer: Statistics and visibility graph analysis

G Iacobello, M Marro, L Ridolfi, P Salizzoni… - Physical Review …, 2019 - APS
The dynamics of a passive scalar plume in a turbulent boundary layer is experimentally
investigated via vertical turbulent transport time series. Experimental data are acquired in a …

Identifying dominant flow features from very-sparse Lagrangian data: a multiscale recurrence network-based approach

G Iacobello, DE Rival - Experiments in fluids, 2023 - Springer
Realistic fluid flow problems often require that Lagrangian tracers are deployed in a sparse
or very-sparse manner, such as for oceanic and atmospheric flows where large-scale motion …

Qualitative and quantitative analysis of interaction between cavitation patterns and vortices of a pitching hydrofoil from Lagrangian viewpoint

R Jia, Z Chen, L Chai, J Zhang, Y Deguchi, Z Li - Physics of Fluids, 2023 - pubs.aip.org
The evolution of transient flow structures and mass transport in cavitating flow around a
pitching hydrofoil is investigated qualitatively and quantitatively, and the interaction between …

Identifying vortical network connectors for turbulent flow modification

MG Meena, K Taira - Journal of Fluid Mechanics, 2021 - cambridge.org
We introduce a network (graph) theoretic community-based framework to extract vortical
structures that serve the role of connectors for the vortical interactions in two-and three …

Network broadcast analysis and control of turbulent flows

CA Yeh, MG Meena, K Taira - Journal of Fluid Mechanics, 2021 - cambridge.org
We present a network-based modal analysis technique that identifies key dynamical paths
along which perturbations amplify over a time-varying base flow. This analysis is built upon …