Zobrazeno 1 - 10 of 77 pro vyhledávání: '"D. Laveder"'
1
Akademický článek
Gyrofluid simulations of turbulence and reconnection in space plasmas
Autor: T. Passot, S.S. Cerri, C. Granier, D. Laveder, P.L. Sulem, E. Tassi
Publikováno v: Fundamental Plasma Physics, Vol 11, Iss , Pp 100055- (2024)
A Hamiltonian two-field gyrofluid model is used to investigate the dynamics of an electron-ion collisionless plasma subject to a strong ambient magnetic field, within a spectral range extending from the magnetohydrodynamic (MHD) scales to the electro
Externí odkaz: https://doaj.org/article/c77d2e36ca1340b582f565b7ee95641a
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2
Akademický článek
Fluid simulations of non-resonant anisotropic ion heating
Autor: D. Laveder, T. Passot, P. L. Sulem
Publikováno v: Annales Geophysicae, Vol 31, Pp 1195-1204 (2013)
The finite Larmor radius (FLR)-Landau fluid model, which extends the usual anisotropic magnetohydrodynamics to magnetized collisionless plasmas by retaining linear Landau damping and finite Larmor radius corrections down to the sub-ionic scales in
Externí odkaz: https://doaj.org/article/a9cdbc463f6c436fa728ce5d21e1ebfa
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3
Akademický článek
Remarks on the parallel propagation of small-amplitude dispersive Alfvénic waves
Autor: S. Champeaux, D. Laveder, T. Passot, P. L. Sulem
Publikováno v: Nonlinear Processes in Geophysics, Vol 6, Iss 3/4, Pp 169-178 (1999)
The envelope formalism for the description of a small-amplitude parallel-propagating Alfvén wave train is tested against direct numerical simulations of the Hall-MHD equations in one space dimension where kinetic effects are neglected. It turns out
Externí odkaz: https://doaj.org/article/3cad9385823f43d0ae18163b308f8961
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4
Akademický článek
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5
Direct kinetic Alfvén wave energy cascade in the presence of imbalance
Autor: T. Passot, P.L. Sulem, D. Laveder
Publikováno v: Journal of Plasma Physics. 88
A two-field Hamiltonian gyrofluid model for kinetic Alfv\'en waves retaining ion finite Larmor radius corrections and parallel magnetic field fluctuations is used to study direct turbulent cascades from the MHD to the sub-ion scales. For moderate ene
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::92e987cff501a78f3dfbdc7a504fdbf2
https://doi.org/10.1017/s0022377822000472
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6
Fluid Energy Cascade Rate and Kinetic Damping: New Insight from 3D Landau-fluid Simulations
Autor: R. Ferrand, F. Sahraoui, D. Laveder, T. Passot, P. L. Sulem, S. Galtier
Publikováno v: The Astrophysical Journal
The Astrophysical Journal, American Astronomical Society, 2021, 923 (1), pp.122. ⟨10.3847/1538-4357/ac2bfb⟩
Using an exact law for incompressible Hall magnetohydrodynamics (HMHD) turbulence, the energy cascade rate is computed from three-dimensional HMHD-CGL (bi-adiabatic ions and isothermal electrons) and Landau fluid (LF) numerical simulations that featu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a83682a6b211281f7e24d394f44be65
https://hal.archives-ouvertes.fr/hal-03485578
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7
Akademický článek
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8
Turbulent energy transfer in bidimensional numerical models of plasma
Autor: Denise Perrone, Rocio Manobanda, Pablo Minini, D. Laveder, Raffaele Marino, Luca Sorriso-Valvo, Francesco Valentini, C. L. Vásconez, Sergio Servidio
Structured, highly variable and virtually collision-free. Space plasma is an unique laboratory for studying the transfer of energy in a highly turbulent environment. This turbulent medium plays an important role in various aspects of the Solar--Wind
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4258931b9769509d845d1bb9b890316
https://doi.org/10.5194/egusphere-egu21-8898
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10
Structure and evolution of magnetohydrodynamic solitary waves with Hall and finite Larmor radius effects
Autor: Gonzalo Sánchez-Arriaga, Evangelos Siminos, E. Bello-Benítez, D. Laveder, Thierry Passot
Publikováno v: e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
Physical Review E
Physical Review E, American Physical Society (APS), 2019, 99 (2), ⟨10.1103/PhysRevE.99.023202⟩
Nonlinear and low-frequency solitary waves are investigated in the framework of the one-dimensional Hall-magnetohydrodynamic model with finite Larmor effects and a double adiabatic model for plasma pressures. The organization of these localized struc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f02269e0813b71fa4a03faa8a21f5b59
https://hdl.handle.net/10016/28717
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