Yannick Ponty

Publications

Article dans une revue (22)

Intermittency in fluid and magnetohydrodynamics (MHD) turbulence analyzed through the prism of moment scaling predictions of multifractal models Annick Pouquet,Raffaele Marino,Hélène Politano,Yannick Ponty,Duane Rosenberg Nonlinear Processes in Geophysics, 2025, 32 (3), pp.243-259. ⟨10.5194/npg-32-243-2025⟩ Article dans une revue hal-05399218v1
Intermittency assessed through a model of kurtosis–skewness relation in MHD in fast dynamo regimes Yannick Ponty,Hélène Politano,Annick Pouquet Journal of Plasma Physics, 2025, 91 (2), pp.E69. ⟨10.1017/S0022377825000169⟩ Article dans une revue hal-05399217v1
Systematic Route to Subcritical Dynamo Branches Paul Mannix,Yannick Ponty,Florence Marcotte Physical Review Letters, 2022, 129 (2), pp.024502. ⟨10.1103/physrevlett.129.024502⟩ Article dans une revue hal-03862091v1
Dynamo Enhancement and Mode Selection Triggered by High Magnetic Permeability S. Kreuzahler,Y. Ponty,Nicolas Plihon,H. Homann,R. Grauer Physical Review Letters, 2017, 119 (23), ⟨10.1103/PhysRevLett.119.234501⟩ Article dans une revue hal-02399083v1
Depletion of Nonlinearity in Magnetohydrodynamic Turbulence: Insights from Analysis and Simulations John D. Gibbon,Anupam Gupta,Giorgio Krstulovic,Rahul Pandit,Hélène Politanoet al. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics [2001-2015], 2016, 93 (4), pp.043104. ⟨10.1103/PhysRevE.93.043104⟩ Article dans une revue hal-01288496v1
Transition from Large-Scale to Small-Scale Dynamo Yannick Ponty,F. Plunian Physical Review Letters, 2011, 106, pp.154502. ⟨10.1103/PhysRevLett.106.154502⟩ Article dans une revue hal-00632675v1
Spectral Modeling of Rotating Turbulent Flows J. Baerenzung,P.D Mininni,Annick Pouquet,Hélène Politano,Yannick Ponty Physics of Fluids, 2010, 22, pp.025104. ⟨10.1063/1.3292008⟩ Article dans une revue hal-00544191v1
Dissipative structures in a nonlinear dynamo A.D. Gilbert,Yannick Ponty,V. Zheligovsky Geophysical and Astrophysical Fluid Dynamics, 2010, pp.1029-0419. ⟨10.1080/03091929.2010.513332⟩ Article dans une revue hal-00630854v1
Spectral modeling of magnetohydrodynamic turbulent flows J. Baerenzung,Hélène Politano,Yannick Ponty,Annick Pouquet Physical Review E : Statistical, Nonlinear, and Soft Matter Physics [2001-2015], 2008, 78, pp.26310. ⟨10.1103/PhysRevE.78.026310⟩ Article dans une revue hal-00382450v1
Effect of the Lorentz force on on-off dynamo intermittency A. Alexakis,Yannick Ponty Physical Review E : Statistical, Nonlinear, and Soft Matter Physics [2001-2015], 2008, 77, pp.56308. ⟨10.1103/PhysRevE.77.056308⟩ Article dans une revue hal-00382445v1
Spectral modeling of turbulent flows and the role of helicity J. Baerenzung,Hélène Politano,Yannick Ponty,Annick Pouquet Physical Review E : Statistical, Nonlinear, and Soft Matter Physics [2001-2015], 2008, 77, pp.46303. ⟨10.1103/PhysRevE.77.046303⟩ Article dans une revue hal-00382451v1
Effect of the Lorentz force on on-off dynamo intermittency A. Alexakis,Yannick Ponty Physical Review E : Statistical, Nonlinear, and Soft Matter Physics [2001-2015], 2008, 78, pp.026310. ⟨10.1103/PhysRevE.77.056308⟩ Article dans une revue hal-00382446v1
Linear and non-linear features of the Taylor-Green dynamo Yannick Ponty,Pablo D. Mininni,Jean-Philippe Laval,Alexandros Alexakis,Julien Baerenzunget al. Comptes Rendus. Physique, 2008, 9 (7), pp.749-756. ⟨10.1016/j.crhy.2008.07.007⟩ Article dans une revue hal-00367358v1
Dynamo action at low magnetic Prandtl numbers: mean flow versus fully turbulent motions Yannick Ponty,P.D. Mininni,J.F. Pinton,Hélène Politano,Annick Pouquet New Journal of Physics, 2007, 9, pp.296. ⟨10.1088/1367-2630/9/8/296⟩ Article dans une revue hal-00388153v1
Subcritical Dynamo Bifurcation in the Taylor-Green Flow Yannick Ponty,J.P. Laval,Bérengère Dubrulle,F. Daviaud,J.F. Pinton Physical Review Letters, 2007, 99, pp.224501. ⟨10.1103/PhysRevLett.99.224501⟩ Article dans une revue hal-00388152v1
Dynamo regimes with a nonhelical forcing Pablo Mininni,Yannick Ponty,David Montgomery,Jean-François Pinton,Hélène Politanoet al. The Astrophysical Journal Letters, 2005, 626 (2), pp.853-863 Article dans une revue ensl-00180586v1
Numerical study of dynamo action at low magnetic Prandtl numbers Yannick Ponty,P. D. Mininni,D. C. Montgomery,Jean-François Pinton,Hélène Politanoet al. Physical Review Letters, 2005, 94, pp.164502. ⟨10.1103/PhysRevLett.94.164502⟩ Article dans une revue hal-00133225v1
Numerical Study of Dynamo Action at Low Magnetic Prandtl Numbers Yannick Ponty,P. D. Mininni,D. C. Montgomery,,Jean-François Pinton,Helene Politanoet al. Physical Review Letters, 2005, 94, pp.164502 Article dans une revue hal-00163671v1
Numerical Study of Dynamo Action at Low Magnetic Prandtl Numbers Yannick Ponty,Pablo Mininni,David Montgomery,Jean-François Pinton,Hélène Politanoet al. Physical Review Letters, 2005, 94, pp.164502 Article dans une revue ensl-00180691v1
Dynamo action in flows with cat's eyes A. Courvoisier,A.D. Gilbert,Yannick Ponty Geophysical and Astrophysical Fluid Dynamics, 2005, 99, pp.413-429. ⟨10.1080/03091920500334159⟩ Article dans une revue hal-00388258v1
Simulation of induction at low magnetic Prandtl number Yannick Ponty,Helene Politano,Jean-François Pinton Physical Review Letters, 2004, 92 (14), pp.144503 Article dans une revue hal-00163375v1
A new instability for finite Prandtl number rotating convection with free-slip boundary conditions Yannick Ponty,Thierry Passot,Pierre-Louis Sulem Physics of Fluids, 1997, 9 (1), pp.67-75 Article dans une revue hal-00163677v1

HDR (1)

Rôle de la turbulence sur l'effet dynamo et l'induction magnétique Yannick Ponty Mécanique des fluides [physics.class-ph]. Université Nice Sophia Antipolis, 2012 HDR tel-00922148v1

Pré-publication, Document de travail (4)

The Lorentz force effect on the On-Off dynamo intermittency Alexandros Alexakis,Yannick Ponty 2007 Pré-publication, Document de travail hal-00175646v1
Subcritical dynamo bifurcation in the Taylor Green flow Yannick Ponty,Jean-Phillipe Laval,Bérengère Dubrulle,François Daviaud,Jean-François Pinton 2007 Pré-publication, Document de travail hal-00163353v2
Spectral Modeling of Turbulent Flows and the Role of Helicity Julien Baerenzung,Helene Politano,Yannick Ponty,Annick Pouquet 2007 Pré-publication, Document de travail hal-00159937v1
Dynamo action at low magnetic Prandtl numbers: mean flow vs. fully turbulent motion Yannick Ponty,Pablo Mininni,Jean-François Pinton,Hélène Politano,Annick Pouquet 2006 Pré-publication, Document de travail hal-00016967v1