Closed-loop turbulence control: Progress and challenges
SL Brunton, BR Noack - Applied Mechanics …, 2015 - asmedigitalcollection.asme.org
Closed-loop turbulence control is a critical enabler of aerodynamic drag reduction, lift
increase, mixing enhancement, and noise reduction. Current and future applications have …
increase, mixing enhancement, and noise reduction. Current and future applications have …
Hierarchical deep learning of multiscale differential equation time-steppers
Nonlinear differential equations rarely admit closed-form solutions, thus requiring numerical
time-stepping algorithms to approximate solutions. Further, many systems characterized by …
time-stepping algorithms to approximate solutions. Further, many systems characterized by …
Reduced-order unsteady aerodynamic models at low Reynolds numbers
In this paper we develop reduced-order models for the unsteady lift on a pitching and
plunging aerofoil over a range of angles of attack. In particular, we analyse the pitching and …
plunging aerofoil over a range of angles of attack. In particular, we analyse the pitching and …
Go with the FLOW: visualizing spatiotemporal dynamics in optical widefield calcium imaging
NJ Linden, DR Tabuena… - Journal of the …, 2021 - royalsocietypublishing.org
Widefield calcium imaging has recently emerged as a powerful experimental technique to
record coordinated large-scale brain activity. These measurements present a unique …
record coordinated large-scale brain activity. These measurements present a unique …
Finite-time Lyapunov exponents in the instantaneous limit and material transport
Lagrangian techniques, such as the finite-time Lyapunov exponent (FTLE) and hyperbolic
Lagrangian coherent structures, have become popular tools for analyzing unsteady fluid …
Lagrangian coherent structures, have become popular tools for analyzing unsteady fluid …
Near-wake dynamics of a vertical-axis turbine
Cross-flow, or vertical-axis, turbines are a promising technology for capturing kinetic energy
in wind or flowing water and their inherently unsteady fluid mechanics present unique …
in wind or flowing water and their inherently unsteady fluid mechanics present unique …
Chaotic time series prediction based on multi-scale attention in a multi-agent environment
H Miao, W Zhu, Y Dan, N Yu - Chaos, Solitons & Fractals, 2024 - Elsevier
A new problem at the intersection of multi-agent systems, chaotic time series prediction, and
flow map learning is formulated in this paper. The problem involves agents collaborating to …
flow map learning is formulated in this paper. The problem involves agents collaborating to …
Introduction to vector field topology
T Günther, I Baeza Rojo - Topological Methods in Data Analysis and …, 2021 - Springer
Flow visualization is a research discipline that is concerned with the visual exploration and
analysis of vector fields. An important class of methods are the topology-based techniques …
analysis of vector fields. An important class of methods are the topology-based techniques …
A Lagrangian perspective towards studying entrainment
This study presents a method for characterizing entrainment using Lagrangian data.
Specifically, the method exploits the temporal evolution of enstrophy along pathlines to …
Specifically, the method exploits the temporal evolution of enstrophy along pathlines to …
Lagrangian coherent structure identification using a Voronoi tessellation-based networking algorithm
The quantification of Lagrangian coherent structures (LCS) has been investigated using an
algorithm based on the tesselation of unstructured data points. The applicability of the …
algorithm based on the tesselation of unstructured data points. The applicability of the …