Publications (update 04/04/2016)
[26] Dynamo Enhancement and Mode Selection Triggered by High Magnetic PermeabilityS. Kreuzahler, Y. Ponty, N. Plihon, H. Homann, and R. Grauer
Phys. Rev. Lett. 119, 234501 – Published 6 December 2017 [PDF]
doi.org/10.1103/PhysRevLett.119.234501
[25] J. D. Gibbon, A. Gupta, G. Krstulovic, R. Pandit, H. Politano, Y. Ponty, A. Pouquet, G. Sahoo, and J. Stawarz
"Depletion of nonlinearity in magnetohydrodynamic turbulence: Insights from analysis and simulations"
Phys. Rev. E 93, 043104 (2016) [PDF]
doi : 10.1103/PhysRevE.93.043104
[24] Sebastian Kreuzahler, Daniel Schulz, Holger Homann, Yannick Ponty, Rainer Grauer
"Numerical study of impeller-driven von Karman flows via a volume penalization method"
New J. Phys. 16 103001 (2014) [PDF]
doi:10.1088/1367-2630/16/10/103001
[23] Holger Homann, Yannick Ponty, Giorgio Krstulovic, Rainer Grauer
"Structures and Lagrangian statistics of the Taylor-Green Dynamo"
New J. Phys. 16 075014 (2014) [PDF]
doi:10.1088/1367-2630/16/7/075014
[22] Y. Ponty and F. Plunian
"Transition from Large-Scale to Small-Scale Dynamo"
Phys. Rev. Lett. 106, 154502 (2011). [PDF]
[21] A. D. Gilbert, Y. Ponty, V. Zheligovsky
``Dissipative structures in a nonlinear dynamo''
Geoph. Astroph. Fluid. Dyn. 1-25 (2010). [PDF]
[20] J. Baerenzung, P.D. Mininni, A. Pouquet, H. Politano, and Y. Ponty
"Spectral Modeling of Rotating Turbulent Flows"
Physics of Fluids, 22, p. 025104 (2010) . [PDF]
[19] Y. Ponty, P. D. Mininni , J-P. Laval, A. Alexakis, J. Baerenzung,
F. Daviaud, B. Dubrulle, J-F. Pinton, H. Politano, A. Pouquet
"Linear and non linear features of the Taylor-Green Dynamo"
C. R. Physique 9 749–756 (2008) [PDF] .
[18] J. Baerenzung, H. Politano, Y. Ponty, A. Pouquet
"Spectral Modeling of Magnetohydrodynamic Turbulent Flows"
Phys. Rev. E 78 026310 (2008) [PDF]
[17] A. Alexakis and Y. Ponty
"The Lorentz force effect on the On-Off dynamo intermittency"
Phys. Rev. E 77, 056308 (2008) [PDF]
[16] J. Baerenzung, H. Politano, Y. Ponty, A. Pouquet,
"Spectral Modeling of Turbulent Flows and the Role of Helicity"
Phys. Rev. E 77, (2008) 04303 [PDF]
[15] Y. Ponty, J.-P. Laval, B. Dubrulle, F. Daviaud, and J.-F. Pinton
«Subcritical Dynamo Bifurcation in the Taylor-Green Flow»
Phys. Rev. Lett. 99, 224501 (2007) [PDF]
Cover page of PRL November 2007 : see this link
[14] Y. Ponty , P. Minnini , J.-F. Pinton, H. Politano and A. Pouquet
"Dynamo action at low magnetic Prandtl numbers: mean flow versus fully turbulent motions"
New Journal of Physics 9 , 296 (2007) [PDF]
[13] A. Courvoisier,, A. G. Gilbert, & Y. Ponty, "Dynamo action in flows with cat's eyes"
Geophysical and Astrophysical Fluid Dynamics, Vol. 99, No. 5, pp 413-429 October (2005) [PDF]
[12] P. D. Mininni, Y. Ponty, D. C. Montgomery, J-F Pinton, H. Politano, and A. Pouquet
"Dynamo Regimes with a Non-helical Forcing"
The Astrophysical Journal, 626: 853 -863 (2005) [PDF]
[11] Y. Ponty , P. Minnini , A. Pouquet , H. Politano , D. Montgomery , J.-F. Pinton
"Numerical study of dynamo action at low magnetic Prandtl numbers"
Phys. Rev. Lett. 94 164512 (2005) [PDF]
[10] Y. Ponty, J. F Pinton and H. Politano,
" Simulation of induction at low magnetic Prandtl number"
Phys. Rev. Lett. Vol. 92 number 14 , pp 144503 -1 (2004) [PDF]
[9] Y. Ponty, A.D. Gilbert and A.M. Soward
"The onset of thermal convection in Ekman--Couette shear flow with oblique rotation"
J. Fluid Mech. 487 pp 91-123 (2003). [PDF]
[8] Y. Ponty, A.D. Gilbert and A.M. Soward ,
"Kinematic dynamo action in flows driven by shear and convection"
J. Fluid Mech. 435 , 261-287 (2001). [PDF]
[7] A.D. Gilbert, and Y. Ponty,
``Slow Ponomarenko dynamos on stream surfaces.''
Geophys. Astrophys. Fluid Dyn 93, 55- 95 (2000). [PDF]
[6] D. Laveder, T. Passot, Y. Ponty and P.L. Sulem,
``Effect of a random noise on scaling laws of finite Prandtl number rotating convection near threshold''
Phys. Rev. E 59 R4745-R4748 (1999). [PDF]
[5] Y. Ponty, T. Passot and P.L Sulem, ``Rotating convection at moderate Prandtl number''
Physica A, 249, 146-150 (1998). [PDF]
[4] Y. Ponty, T. Passot and P. L. Sulem, .
``Pattern dynamics in rotating convection at finite Prandtl number''
Phys. Rev. E. 56, 4162-4178 (1997). [PDF]
[3] Y.Ponty, T.Passot and P.L. Sulem,
``Chaos and structures in rotating convection at finite Prandtl number''
Phys. Rev. Lett. 79, 71-74 (1997). [PDF]
[2] Y. Ponty, T. Passot and P.L Sulem,
``A new instability for finite Prandtl number rotating convection with free-slip boundary conditions'',
Phys. Fluids, 9 , 67-75 (1997). [PDF]
[1] Y. Ponty, A. Pouquet, P.L. Sulem, "Dynamos in weakly chaotic two-dimensional flows"
Geophys. Astrophys. Fluid Dyn. 79 , 239-257 (1995). [PDF]
Yannick Ponty,
"Numerical modeling of liquid metal dynamo experiments."
In: Ph. Cardin, L.F. Cugliandolo, editor(s), Les Houches, Session LXXXVIII, 2007,
Dynamos. Amsterdam: Elsevier, p. 359-382 (2008). [PDF]
Proceeding with referee process :
[4] A. Pouquet, J. Baerenzung, J. Pietarila Graham, P. Mininni, H. Politano, and Y. Ponty,
``Modeling of anisotropic turbulent flows with either magnetic fields or imposed rotation'',
Proceedings of the TI2009 Conference in "Notes on Numerical Fluid Mechanics and Multidisciplinary Design," Springer; [PDF]
[3] A.M. Soward , A. Bassom and Y. Ponty
"Alpha-Quenched alpha^2 Omega-Dynamo waves in stellar shells"
P. Chossat et al. ed , Dynamo and Dynamics, a Mathematical Challenge
Kluwer Academic Publishers, 297-304 (2001). [PDF]
[2] Y. Ponty, A.D. Gilbert and A.M. Soward
" Dynamo Action due to Ekman layer Instability"
P. Chossat et al. ed , Dynamo and Dynamics, a Mathematical Challenge
Kluwer Academic Publishers, 261-287 (2001). [PDF]
[1] Y. Ponty, A. Pouquet, V. Rom-Kedar, P.L. Sulem,
"Dynamo Action in a Nearly Integrable Chaotic Flow"
in "Solar and planetary Dynamos" 241-248, (eds.) Cambridge University Press (1993). [PDF]
Thesis (PHD, HDR) :
16 janvier 1997 [PDF]
Thèse de doctorat : Textures convectives dans un fluide en rotation et effet dynamo dans un écoulement chaotique.
31 janvier 2012
Thèse d'Habilitation à Diriger des Recherches (HDR) : [PDF]
Rôle de la turbulence sur l'effet dynamo et l'induction magnétique.