Sebastien AUMAITREService de Physique de l'Etat Condensé Systèmes Physiques Hors-équilibre, hYdrodynamique, éNergie et compleXes +33 1 69 08 74 37 |
Ingénieur de recherche
au Service de Physique de l’Etat Condensé (SPEC)
du Commissariat à l’Energie Atomique (CEA–Saclay)
Mots clefs:
Hydrodynamique, MagnetoHydroDynamique (MHD) et Turbulence
[1] Quelques résultats non publiés seront présentés de façon exhaustive dans le manuscrit de HDR.
Formation
Post-docs :
Stages :
[1] la mention ”avec félicitations” n’existe plus à l’ENS-Lyon depuis 1998 suite à une décision de la direction.
Friction of spheres on a rotating parabolic support, A. Soulier, S. Aumaître submitted to Am. J Phys. (2103) http://arxiv.org/abs/1411.0694
Experimental study on the clustering of floaters on the free surface of a turbulent flow, P. Gutierrez, S. Aumaître submitted to Phys Fluids (2013) http://arxiv.org/abs/1410.7824
Phase transition in an out-of-equilibrium monolayer of dipolar vibrated grains
L. Oyarte, P. Gutierrez, S. Aumaître, et al. , Phys Rev E 87(2) 022204 (2013)
Symmetry and couplings in stationary Von Karman sodium dynamos
J. Boisson, S. Aumaître, N. Bonnefoy et al., New J Phys 14 # 013044 (2012)
Experimental Observation of Spatially Localized Dynamo Magnetic Fields
B. Gallet, S. Aumaître, J. Boisson et al, Phys. Rev. Lett. 108-14 #144501 (2012)
Dynamo regimes and transitions in the VKS experiment,
M. Berhanu, G. Verhille, J. Boisson et al, Euro. Phys J. B 77-4 pp 459-468 (2010)
Bistability between a stationary and an oscillatory dynamo in a turbulent flow of liquid sodium
M. Berhanu, B. Gallet, R. Monchaux et al, J. Fluid Mech. 641, pp 217–226 (2009)
J. Boisson, A. Klochko, F. Daviaud & S. Aumaître: Phys. Fluids 24 -4 # 044101 (2012)
The von Kármán Sodium experiment: Turbulent dynamical dynamos
Romain Monchaux, Michael Berhanu et al, Phys. Fluids 21, 035108 (2009)
The VKS experiment: turbulent dynamical dynamos,
S. Aumaître, M. Berhanu, et a, CRAS 9-7 pp 689-701 (2008)
Fluctuations of energy flux in wave turbulence,
E. Falcon, S. Aumaître, et al., Phys Rev Lett. 100-6 064503 (2008)
Chaotic Dynamos Generated by a Turbulent Flow of Liquid Sodium,
F. Ravelet, M. Berhanu, R. Monchaux et al, Phys. Rev. Lett. 101, #074502 (2008)
Noise-induced bifurcations, multiscaling and on–off intermittency,
S. Aumaître, M. Mallick and F. Pétréli, J. Stat. Mech. P07016 (2007)
Comparing flow thresholds and dynamics for oscillating and inclined granular layers,
S. Aumaître, C. Puls, J.N. McElwaine, J.P. Gollub, Phys. Rev. E 75, #061307 (2007)
Escape from a potential well, stochastic resonance and zero frequency component of the noise
F. Pétrélis, S. Aumaître and K. Mallick, Euro. Phys. Lett. 79 #40004 (2007)
Stability of a nonlinear oscillator with random damping
N Leprovost, S Aumaître, K Mallick, Eur. Phys. J. B 49, pp453–458 (2006)
A quasi–elastic regime for vibrated granular gases,
S. Aumaître, A. Alastuey, S. Fauve, Euro. Phys. J. B. 54–2 pp263–266 (2006)
Effects of the low frequencies of noise on On–Off intrmittency,
S. Aumaître, K. Mallick, F. Pétrélis, J. Stat. Phys. 123–4 pp909–927 (2006)
Modification of instability processes by multiplicative noises,
F. Pétrélis, S. Aumaître, Euro. Phys. J. B. 51–3 pp357–362 (2006)
Collision statistics in dilute granular gas fluidized by vibrations in a low gravity,
E. Falcon, S. Aumaître, et al, Europhys. Letters 74–5 pp830–836 (2006)
Collision frequencies and energy flux in a dilute granular gas,
S. Aumaître, S. Fauve, Phys. Rev. E 73, 010302(R) (2006)
Low–frequency noise controls on–off intermittency of bifurcating systems,
S. Aumaître, F. Pétrélis, K. Mallick, Phys. Rev. Lett. 95–6 # 064101 (2005)
Effect of phase noise on parametric instabilities,
F. Pétrélis, S. Aumaître, S. Fauve, Phys. Rev. Lett. 94–7 #070603 (2005).
Energy and power fluctuations in vibrated granular gases,
S. Aumaître, J. Farago, S.Fauve, S. Mc Namara, Euro. Phys. J. B. 42 (2) pp255-261 (2004).
Intermittency at the edge of a stochastically inhibited pattern–forming instability,
F. Pétrélis, S. Aumaître, Eur. Phys. J. B 34–3 pp281–284 (2003).
Statistical properties of the fluctuation of the heat transfer in turbulent convection,
S. Aumaître, S. Fauve : Europhys. Lett. 62 822–828 (2003).
A granular phase transition as precondition for segregation,
S. Aumaître, T. Schnautz, C. Kruelle, I. Rehberg, Phys. Rev. Lett. 90–11 #114302 (2003).
Segregation in granular matter under horizontal swirling excitation,
S. Aumaître, C. Kruelle, I. Rehberg, Phys. Rev. E 64–3 #041305 (2001).
Radiative convection with fixed flux,
S. Aumaître, Physica D 158 164–174 (2001).
Direct numerical simulation of the time-dependent convection in a supercritical fluid layer: Temporal evolution of the convective structures in highly non-linear regimes
I. Raspo,; S. Aumaître, S; B. Gilly; et al., J. de physique IV 11 pp 65-71 (2001)
Power injected in dissipative systems and the fluctuation theorem,
S. Aumaître, S. Fauve, P. Poggi and S. Mc Namara, Euro. Phys. J. B. 19–3 449–460 (2001)
Large scale correlations for energy injection mechanisms in swirling turbulent flows,
S. Aumaître, S. Fauve, J-.F Pinton, Euro. Phys. J. B. 16(3) 563–567 (2000)
Etudes des fluctuations de grandeurs globales dans des systèmes dissipatifs hors-équilibre, S. Aumaître PhD thesis (1999) (attached hereafter)
Fluctuations of the heat-flux in turbulent convection
S. Aumaître and S. Fauve, J. Chim. Phys. 96(6) 1038-1043 (1999)
Spatio–temporal sub–harmonic cascade in non–linear interferometer with a liquid–cristal light valve,
S. Aumaître, M. Le Berre, E. Ressayre, A. Tallet, Quantum Semiclass. Opt., 7 (1995)
Chapitre d’ouvrage :
Fluctuation of energy flux in Wave Turbulence,
S. Aumaître, E. Falcon and S. Fauve, in "Advances In Wave Turbulence", Ed. V Shrira & S. Nazarenko, World Scientific 2013.
Phase transition and segregation in vibrated granular systems,
C.A. Kruelle, S. Aumaître, P.J. Breu et al, in "Advances In Solid State physics", Ed. B. Kramer, Springer-Verlag, Berlin , 2004.
Large fluctuations in swirling flows,
S. Fauve, S. Aumaitre P. Abry et al, in "Advances In Turbulence VII", Ed. U Frisch, Springer Netherlands, 1998.
Encadrement et enseignements
Co-responsable des séminaires du laboratoire.
Financements
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