Frontiers of chaotic advection
This work reviews the present position of and surveys future perspectives in the physics of
chaotic advection: the field that emerged three decades ago at the intersection of fluid …
chaotic advection: the field that emerged three decades ago at the intersection of fluid …
Lagrangian transport and chaotic advection in three-dimensional laminar flows
M Speetjens, G Metcalfe… - Applied …, 2021 - asmedigitalcollection.asme.org
Transport and mixing of scalar quantities in fluid flows is ubiquitous in industry and Nature.
While the more familiar turbulent flows promote efficient transport and mixing by their …
While the more familiar turbulent flows promote efficient transport and mixing by their …
Insights into the three-dimensional Lagrangian geometry of the Antarctic polar vortex
J Curbelo, VJ García-Garrido… - Nonlinear Processes …, 2017 - npg.copernicus.org
In this paper we study the three-dimensional (3-D) Lagrangian structures in the stratospheric
polar vortex (SPV) above Antarctica. We analyse and visualize these structures using …
polar vortex (SPV) above Antarctica. We analyse and visualize these structures using …
The application of Lagrangian descriptors to 3D vector fields
Since the 1980s, the application of concepts and ideas from dynamical systems theory to
analyze phase space structures has provided a fundamental framework to understand long …
analyze phase space structures has provided a fundamental framework to understand long …
Chaotic mixing in an acoustically driven cavity flow
In this numerical study, we investigate the mixing properties of an acoustic driven flow in a
parallelepipedic cavity with square basis in view of applications in photovoltaic crystal …
parallelepipedic cavity with square basis in view of applications in photovoltaic crystal …
[HTML][HTML] Resonance phenomena in a time-dependent, three-dimensional model of an idealized eddy
II Rypina, LJ Pratt, P Wang, TM Özgökmen… - … Journal of Nonlinear …, 2015 - pubs.aip.org
We analyze the geometry of Lagrangian motion and material barriers in a time-dependent,
three-dimensional, Ekman-driven, rotating cylinder flow, which serves as an idealization for …
three-dimensional, Ekman-driven, rotating cylinder flow, which serves as an idealization for …
Creating analytically divergence-free velocity fields from grid-based data
We present a method, based on B-splines, to calculate a C 2 continuous analytic vector
potential from discrete 3D velocity data on a regular grid. A continuous analytically …
potential from discrete 3D velocity data on a regular grid. A continuous analytically …
Bifurcations and degenerate periodic points in a three dimensional chaotic fluid flow
Analysis of the periodic points of a conservative periodic dynamical system uncovers the
basic kinematic structure of the transport dynamics and identifies regions of local stability or …
basic kinematic structure of the transport dynamics and identifies regions of local stability or …
Lagrangian transport characteristics of a class of three-dimensional inline-mixing flows with fluid inertia
MFM Speetjens, EA Demissie, G Metcalfe… - Physics of …, 2014 - pubs.aip.org
Laminar mixing by the inline-mixing principle is a key to many industrial fluids-engineering
systems of size extending from micrometers to meters. However, insight into fundamental …
systems of size extending from micrometers to meters. However, insight into fundamental …
Lagrangian transport in a class of three-dimensional buoyancy-driven flows
PS Contreras, MFM Speetjens… - Journal of Fluid …, 2017 - cambridge.org
The present study concerns the Lagrangian dynamics of three-dimensional (3D) buoyancy-
driven cavity flows under steady and laminar conditions due to a global temperature …
driven cavity flows under steady and laminar conditions due to a global temperature …