A.24 C. Tauber, P. Delplace, A. Venaille 2019. Anomalous bulkedge correspondence in continuous media  submitted .pdf
Shows
that the number of chiral edge states filling a frequency gap is
generally not topologically protected in continuous systems with a
sharp boundary, but that a bulkedge correspondence is recovered when ghost modes hidden in the asymptotic part of the spectrum are taken into account.

A.23 C. Tauber, P. Delplace, A. Venaille 2019. A bulkinterface correspondence for equatorial waves  Journal of Fluid Mechanics .pdf
Shows
that a topological index can be assigned to a given hemisphere for
shallow water flows in the presence of odd viscous terms, and discusses
consequences for equatorial waves. 
A.22 M. Perrot, P. Delplace, A. Venaille 2019. Topological transition in stratified fluids  Nature Physics .pdf featured as News and Views by T. Dowling
Relates the existence of atmospheric
Lamb waves to peculiar topological
properties carried by acoustic and internal gravity waves when mirror symmetry in vertical direction is broken by gravity. 
A.21 A. Renaud, L.P. Nadeau, A. Venaille 2019.
Periodicity disruption of a model quasibiennial oscillation of equatorial winds  Physical Review Letter .pdf , featured in Physics
Shows
the existence of a quasiperiodic route to chaos in idealized models of
equatorial atmospheres, and investigates the response to external
perturbations, motivated by an odd recent evolution of the QBO.

A.20 A. Renaud, A. Venaille 2018. Boundary streaming by internal
waves  Journal of
Fluid Mechanics .pdf
Investigates
meanflow generation by damped internal gravity waves close to an
undulating boundary. 
A.19 T. Dauxois, S. Joubaud, P. Odier, A.
Venaille 2018. Instabilities
of internal
wave beams  Annual Review of
Fluid Mechanics 2018 .pdf
Review
the peculiar effects of nonlinearities on internal wave beams,
including streaming and triadic resonant instability. 
A.18 P. Delplace, J.B. Marston, A. Venaille 2017.
Topological
origin of equatorial waves  Science .pdf featured in Physicsworld by P. Bal, communiqué CNRS
Shallow water waves
present topological
singularities as a consequence of Earth rotation breaking
timereversal symmetry. This can be related to the emergence of
two unidirectional trapped modes along the equator, the celebrated
Kelvin and Yanai waves. 
A.17 Y. Yasuda, F. Bouchet, A. Venaille 2017.
A new
Interpretation of vortexsplit stratospheric sudden warmings in
terms of equilibrium statistical mechanics  Journal of the
Atmospheric Science .pdf
Spontaneous
splitting of the polar vortex as an abrupt transition from a
quasistationary cyclonic state to an anticyclonic equilibrium state
when an effective topography is varied.

A.16 A. Venaille, L. Gostiaux, J. Sommeria, 2016.
A
statistical mechanics approach to mixing in stratified fluids  Journal of Fluid Mechanics
.pdf
Uses
statistical mechanics to predict how
much mixing occurs when a given amount of energy is injected into a
stratified fluid.

A.15 A. Renaud, A. Venaille, F. Bouchet, 2016.
Equilibrium statistical mechanics
and energy partition for the shallow water model  Journal of Statistical Physics
.pdf
Full
computation of statistical equilibrium states of the shallow water
model using large deviation theory. Predicts the concommitant emergence
of a large scale vortical flow and energy loss towards small scales on
the form of inertiagravity
waves.

A.14 A. Venaille, T. Dauxois, S. Ruffo, 2015.
Violent relaxation in
twodimensional flows with varying interactions  Physical Review E  Rapid
Communication .pdf
Shows
that the range of interaction between fluid particles plays a crucial
role in selecting the large scale flow topology during the relaxation
of an unstable initial state towards equilibrium.

A.13 A. Venaille, L.P. Nadeau, G. K. Vallis,
2014. Ribbon
turbulence  Physics of Fluids, .pdf Research
Highlights
Ribbons are
surface intensified jets
in the large bottom friction limit of geostrophic turbulence.
Their dynamics results from a competition between baroclinic
instability and the relaxation
toward an equilibrium state.
Movies:
weak friction
intermediate friction large friction

A.12 G. Bordes, A. Venaille, S. Joubaud, P.
Odier, T. Dauxois, 2012. Experimental
observation of strong mean flows generated by internal gravity waves
 Physics of Fluids
.pdf
Shows
that a monochromatic wave beam propagating in a stratified viscous
fluid
induces a robust and strong jet flowing outward the wave generator. 
A.11 A. Venaille, 2012. Bottomtrapped
currents as
statistical equilibrium states above topography anomalies  Journal of Fluid
Mechanics .pdf
Shows
that in presence of a sufficiently large topographic bump, an initial
surfaceintensified random velocity field evolves towards a
bottomtrapped anticyclonic mean flow. 
A.10 A. Venaille, G. K. Vallis, S.M. Griffies,
2012. The
catalytic
role of beta effect in barotropization processes  Journal of Fluid
Mechanics
.pdf
Shows
that the presence of planetary vorticity gradients favors the tendency
to spread the energy on the vertical in stratified quasigeostrophic
turbulent flows, and that statistical mechanics arguments account for
this phenomenon. 
A.9 F. Bouchet, A. Venaille, 2012. Statistical
mechanics of
twodimensional and
geophysical flows  Physics Reports .pdf
Review
paper with emphasis on RobertSommeriaMiller
equilibrium theory. Former statistical approaches are also
discussed, as well as current developments in out of equilibrium
context. 
A.8 A.
Venaille, G.K. Vallis, K.S. Smith, 2011. Baroclinic
turbulence in the ocean:
analysis with primitive equation and quasigeostrophic simulations 
Journal of Physical Oceanography
.pdf
Tests
the
hypothesis that oceanic eddies result from
local baroclinic instabilities, and examines the factors determining
their distribution, length scale, magnitude and structure. 
A.7 A. Venaille, J. Le
Sommer, J.M. Molines, B. Barnier, 2011. Stochastic
variability of large scale oceanic flows above topography anomalies
 Geophysical Research Letters
.pdf , communiqué CNRS
A stochastic
mechanism is proposed to interpret the dynamics of
eddydriven recirculations above closed contours of bottom topography.
This may account for the observed low frequency variability of the
Zapiola anticyclone. 
A.6 A.
Venaille, F. Bouchet, 2011. Oceanic
rings and jets as
statistical equilibrium states  Journal of Physical Oceanography
.pdf
Using statistical
mechanics arguments, oceanic rings are interpreted as "bubbles" of
homogenized potential vorticity. It may provide an explanation for
their
ubiquity, their shape, and their drift. 
A.5 A. Venaille, F.
Bouchet, 2011. Solvable
phase diagrams and ensemble inequivalence for twodimensional and
geophysical turbulent flows  Journal of Statistical Physics .pdf
Companion
paper of PRL09 below. Discusses symmetry breaking associated with
the generic occurrence of ensemble inequivalence, and the surprising
effect of the Rossby radius of deformation (a screening length
scale). 
A.4 A. Venaille, F. Bouchet, 2009. Statistical
Ensemble Inequivalence and Bicritical Points for TwoDimensional Flows
and Geophysical Flows  Physical Review Letters
.pdf
It
is shown that statistical ensemble inequivalence and negative
specific heat occur for a wide class of models and parameters,
including Fofonoff flows, and
are related to previously observed phase transitions in the flow
topology. 
A.3 A. Venaille, J.
Sommeria, 2008.
Is mixing a selfconvolution process ?  Physical Review Letters
.pdf
Experimental
tests of the selfconvolution model for mixing of a passive tracer. It
is shown that
the model is doing well at sufficiently late stage of
mixing. 
A.2 A. Venaille, J.
Sommeria, 2007.
A dynamical equation for the distribution of a scalar advected by
turbulence.  Physics
of Fluids .pdf
Provides
phenomenological arguments showing that the mixing of a
passive tracer through turbulent cascades may be represented as
a succession of selfconvolutions of the tracer distribution. 
A.1 A. Venaille, P.
Varona, M.I. Rabinovich, 2005.
Synchronization and coordination of sequences in two neural ensembles
 Physical
Review E .pdf
Synchronization
properties emerging from the coupling
of two chaotic systems are investigated. This
illustrates how a mollusk can scan randomly an area to find a
prey, while keeping some efficiency in swimming.
