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  • Yannick Ponty
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Publications

Détails
Catégorie : Ponty Yannick
Mis à jour : 19 Juin 2026

Journal articles

[30] Rémi Bousquet, Yannick Ponty, Victor Botez, Nicolas Plihon, and Caroline Nore, Magnetic field reversals in numerical simulations of the von Kármán sodium experiment, Phys. Rev. Fluids11, 063703, 2026. doi

[29] A. Pouquet, R. Marino, H. Politano, Y. Ponty, and D. Rosenberg, Intermittency in fluid and MHD turbulence analyzed through the prism of moment scaling predictions of multifractal models, Nonlin. Processes Geophys.32, 243–259, 2025. doi PDF

[28] Yannick Ponty, Hélène Politano, Annick Pouquet, Intermittency assessed through a model of kurtosis-skewness relation in MHD in fast dynamo regimes, J. Plasma Phys.91(2):E69, 2025. doi PDF

[27] Paul M. Mannix, Yannick Ponty, Florence Marcotte, A systematic route to subcritical dynamo branches, Phys. Rev. Lett.129, 024502, 2022. Editor’s Suggestion. doi [PDF]

[26] S. Kreuzahler, Y. Ponty, N. Plihon, H. Homann, R. Grauer, Dynamo enhancement and mode selection triggered by high magnetic permeability, Phys. Rev. Lett.119, 234501, 2017. Cover page of PRL. doi [PDF]

[25] J. D. Gibbon, A. Gupta, G. Krstulovic, R. Pandit, H. Politano, Y. Ponty, A. Pouquet, G. Sahoo, J. Stawarz, Depletion of nonlinearity in magnetohydrodynamic turbulence: Insights from analysis and simulations, Phys. Rev. E93, 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, 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, Geophys. Astrophys. Fluid Dyn. 1–25, 2010. [PDF]

[20] J. Baerenzung, P. D. Mininni, A. Pouquet, H. Politano, Y. Ponty, Spectral modeling of rotating turbulent flows, Phys. Fluids22, 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. Physique9, 749–756, 2008. [PDF]

[18] J. Baerenzung, H. Politano, Y. Ponty, A. Pouquet, Spectral modeling of magnetohydrodynamic turbulent flows, Phys. Rev. E78, 026310, 2008. [PDF]

[17] A. Alexakis, Y. Ponty, The Lorentz force effect on the on-off dynamo intermittency, Phys. Rev. E77, 056308, 2008. [PDF]

[16] Y. Ponty, J.-P. Laval, B. Dubrulle, F. Daviaud, J.-F. Pinton, Subcritical dynamo bifurcation in the Taylor-Green flow, Phys. Rev. Lett.99, 224501, 2007. [PDF] Cover page of PRL November 2007

[15] Y. Ponty, P. Mininni, J.-F. Pinton, H. Politano, A. Pouquet, Dynamo action at low magnetic Prandtl numbers: Mean flow versus fully turbulent motions, New J. Phys.9, 296, 2007. [PDF]

[14] A. Courvoisier, A. G. Gilbert, Y. Ponty, Dynamo action in flows with cat's eyes, Geophys. Astrophys. Fluid Dyn.99(5), 413–429, 2005. [PDF]

[13] P. D. Mininni, Y. Ponty, D. C. Montgomery, J.-F. Pinton, H. Politano, A. Pouquet, Dynamo regimes with a non-helical forcing, Astrophys. J.626, 853–863, 2005. [PDF]

[12] Y. Ponty, P. Mininni, 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]

[11] Y. Ponty, J.-F. Pinton, H. Politano, Simulation of induction at low magnetic Prandtl number, Phys. Rev. Lett.92(14), 144503, 2004. [PDF]

[10] Y. Ponty, A. D. Gilbert, A. M. Soward, The onset of thermal convection in Ekman–Couette shear flow with oblique rotation, J. Fluid Mech.487, 91–123, 2003. [PDF]

[9] Y. Ponty, A. D. Gilbert, A. M. Soward, Kinematic dynamo action in flows driven by shear and convection, J. Fluid Mech.435, 261–287, 2001. [PDF]

[8] A. D. Gilbert, Y. Ponty, Slow Ponomarenko dynamos on stream surfaces, Geophys. Astrophys. Fluid Dyn.93, 55–95, 2000. [PDF]

[7] D. Laveder, T. Passot, Y. Ponty, P. L. Sulem, Effect of a random noise on scaling laws of finite Prandtl number rotating convection near threshold, Phys. Rev. E59, R4745–R4748, 1999. [PDF]

[6] Y. Ponty, T. Passot, P. L. Sulem, Rotating convection at moderate Prandtl number, Physica A249, 146–150, 1998. [PDF]

[5] Y. Ponty, T. Passot, P. L. Sulem, Pattern dynamics in rotating convection at finite Prandtl number, Phys. Rev. E56, 4162–4178, 1997. [PDF]

[4] Y. Ponty, T. Passot, P. L. Sulem, Chaos and structures in rotating convection at finite Prandtl number, Phys. Rev. Lett.79, 71–74, 1997. [PDF]

[3] Y. Ponty, T. Passot, P. L. Sulem, A new instability for finite Prandtl number rotating convection with free-slip boundary conditions, Phys. Fluids9, 67–75, 1997. [PDF]

[2] Y. Ponty, A. Pouquet, P. L. Sulem, Dynamos in weakly chaotic two-dimensional flows, Geophys. Astrophys. Fluid Dyn.79, 239–257, 1995. [PDF]

Book chapter

 

Yannick Ponty, Numerical modeling of liquid metal dynamo experiments. In: Ph. Cardin, L. F. Cugliandolo (eds), Les Houches, Session LXXXVIII, 2007, Dynamos. Amsterdam: Elsevier, pp. 359–382, 2008. PDF

Proceedings with referee process

 

A. Pouquet, J. Baerenzung, J. Pietarila Graham, P. Mininni, H. Politano, Y. Ponty, Modeling of anisotropic turbulent flows with either magnetic fields or imposed rotation, in Notes on Numerical Fluid Mechanics and Multidisciplinary Design, TI2009 Conference, Springer. [PDF]

A. M. Soward, A. Bassom, Y. Ponty, Alpha-quenched alpha²–Omega dynamo waves in stellar shells, in P. Chossat et al. (eds.), Dynamo and dynamics, a mathematical challenge, Kluwer Academic Publishers, 297–304, 2001. [PDF]

Y. Ponty, A. D. Gilbert, A. M. Soward, Dynamo action due to Ekman layer instability, in P. Chossat et al. (eds.), Dynamo and dynamics, a mathematical challenge, Kluwer Academic Publishers, 261–287, 2001. [PDF]Y. Ponty, A. Pouquet, V. Rom-Kedar, P. L. Sulem, Dynamo action in a nearly integrable chaotic flow, in Solar and planetary dynamos, Cambridge University Press, 241–248, 1993. [PDF]

Theses (PhD, HDR)

16 janvier 1997 – Thèse de doctorat: Textures convectives dans un fluide en rotation et effet dynamo dans un écoulement chaotique. PDF

31 janvier 2012 – Thèse d'Habilitation à Diriger des Recherches (HDR): Rôle de la turbulence sur l'effet dynamo et l'induction magnétique. PDF

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