Extensive chaos in the Lorenz-96 model

A Karimi, MR Paul - Chaos: An interdisciplinary journal of nonlinear …, 2010 - pubs.aip.org
We explore the high-dimensional chaotic dynamics of the Lorenz-96 model by computing
the variation of the fractal dimension with system parameters. The Lorenz-96 model is a …

Hyperbolicity and the effective dimension of spatially extended dissipative systems

H Yang, KA Takeuchi, F Ginelli, H Chaté, G Radons - Physical review letters, 2009 - APS
Using covariant Lyapunov vectors, we reveal a split of the tangent space of standard models
of one-dimensional dissipative spatiotemporal chaos: A finite extensive set of N dynamically …

Lagrangian coherent structures separate dynamically distinct regions in fluid flows

DH Kelley, MR Allshouse, NT Ouellette - Physical Review E—Statistical …, 2013 - APS
Using filter-space techniques, we study the scale-to-scale transport of energy in a quasi-two-
dimensional, weakly turbulent fluid flow averaged along the trajectories of fluid elements …

Extensive chaos in Rayleigh-Bénard convection

MR Paul, MI Einarsson, PF Fischer, MC Cross - Physical Review E—Statistical …, 2007 - APS
Using large-scale numerical calculations we explore spatiotemporal chaos in Rayleigh-
Bénard convection for experimentally relevant conditions. We calculate the spectrum of …

Covariant Lyapunov vectors of chaotic Rayleigh-Bénard convection

M Xu, MR Paul - Physical Review E, 2016 - APS
We explore numerically the high-dimensional spatiotemporal chaos of Rayleigh-Bénard
convection using covariant Lyapunov vectors. We integrate the three-dimensional and time …

Curvature fields, topology, and the dynamics of spatiotemporal chaos

NT Ouellette, JP Gollub - Physical review letters, 2007 - APS
The curvature field is measured from tracer-particle trajectories in a two-dimensional fluid
flow that exhibits spatiotemporal chaos and is used to extract the hyperbolic and elliptic …

Quantifying spatiotemporal chaos in Rayleigh-Bénard convection

A Karimi, MR Paul - Physical Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
Using large-scale parallel numerical simulations we explore spatiotemporal chaos in
Rayleigh-Bénard convection in a cylindrical domain with experimentally relevant boundary …

Transient chaos and associated system-intrinsic switching of spacetime patterns in two synaptically coupled layers of Morris-Lecar neurons

H Hartle, R Wackerbauer - Physical Review E, 2017 - APS
Spatiotemporal chaos collapses to either a rest state or a propagating pulse solution in a
single layer of diffusively coupled, excitable Morris-Lecar neurons. Weak synaptic coupling …

Extensive scaling from computational homology and Karhunen-Loeve decomposition analysis of Rayleigh-Bénard convection experiments

H Kurtuldu, K Mischaikow, MF Schatz - Physical review letters, 2011 - APS
Spatiotemporally chaotic dynamics in laboratory experiments on convection are
characterized using a new dimension, D CH, determined from computational homology …

Impact of weak excitatory synapses on chaotic transients in a diffusively coupled Morris-Lecar neuronal network

J Lafranceschina, R Wackerbauer - Chaos: An Interdisciplinary Journal …, 2015 - pubs.aip.org
Spatiotemporal chaos collapses to either a rest state or a propagating pulse solution in a
ring network of diffusively coupled, excitable Morris-Lecar neurons. Weak excitatory …