Relevant bibliographies by topics / Gyrofluid models

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers
  4. Reports

Academic literature on the topic 'Gyrofluid models'

Author: Grafiati
Published: 28 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "Gyrofluid models"

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Dorland, W., and G. W. Hammett. "Gyrofluid turbulence models with kinetic effects." Physics of Fluids B: Plasma Physics 5, no. 3 (1993): 812–35. http://dx.doi.org/10.1063/1.860934.

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Scott, Bruce D. "Free-energy conservation in local gyrofluid models." Physics of Plasmas 12, no. 10 (2005): 102307. http://dx.doi.org/10.1063/1.2064968.

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Salewski, M., D. A. Spong, P. Aleynikov, et al. "Energetic particle physics: Chapter 7 of the special issue: on the path to tokamak burning plasma operation." Nuclear Fusion 65, no. 4 (2025): 043002. https://doi.org/10.1088/1741-4326/adb763.

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Abstract We review the physics of energetic particles (EPs) in magnetically confined burning fusion plasmas with focus on advances since the last update of the ITER Physics Basis (Fasoli et al 2007 Nucl. Fusion 47 S264). Topics include basic EP physics, EP generation, diagnostics of EPs and instabilities, the interaction of EPs and thermal plasma instabilities, EP-driven instabilities, energetic particle modes (EPMs), and turbulence, linear and nonlinear stability and simulation of EP-driven instabilities and EPMs, 3D effects, scenario optimization strategies based on EP phase-space control, E
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Fransson, E., H. Nordman, and P. Strand. "Upgrade and benchmark of quasi-linear transport model EDWM." Physics of Plasmas 29, no. 11 (2022): 112305. http://dx.doi.org/10.1063/5.0119515.

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The verification of a new saturation rule applied to the quasi-linear fluid model EDWM (extended drift wave model) and the calibration of several other features are presented. As one of the computationally fastest first-principle-based core transport models, EDWM can include an arbitrary number of ions and charge states. This feature is especially important for experimental devices with plasma-facing components made of heavy elements, such as the upcoming ITER device. As a quasi-linear model, EDWM solves a linear dispersion relation to obtain the instabilities driving the turbulence and combin
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Lee, Young-Hoon, Hogun Jhang, S. S. Kim, and Jungpyo Lee. "Kinetic effects on geodesic acoustic modes and Stringer spin-up driven by a poloidally asymmetric particle source." Physics of Plasmas 30, no. 5 (2023). http://dx.doi.org/10.1063/5.0148895.

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The impact of the poloidally inhomogeneous particle source on the onset of Stringer spin-up (SSU) and geodesic acoustic mode (GAM) is investigated. Using a gyrofluid model with Hammet–Perkins closure, it was found that Landau damping stabilizes both waves and subsequently makes a threshold. To capture the full effects of Landau damping, a gyrokinetic model is adopted and results are compared with those from the gyrofluid model. Both models predicted the same value of the threshold for SSU, while for the case of GAM, the gyrofluid model overestimates the threshold value. Considering maximal thr
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Granier, C., R. Numata, D. Borgogno, E. Tassi, and D. Grasso. "Investigation of the collisionless plasmoid instability based on gyrofluid and gyrokinetic integrated approach." Journal of Plasma Physics 89, no. 4 (2023). http://dx.doi.org/10.1017/s0022377823000570.

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In this work, the development of two-dimensional current sheets with respect to tearing modes, in collisionless plasmas with a strong guide field, is analysed. During their nonlinear evolution, these thin current sheets can become unstable to the formation of plasmoids, which allows the magnetic reconnection process to reach high reconnection rates. We carry out a detailed study of the effect of a finite $\beta _e$ , which also implies finite electron Larmor radius effects, on the collisionless plasmoid instability. This study is conducted through a comparison of gyrofluid and gyrokinetic simu
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Tassi, E., P. L. Sulem, and T. Passot. "Reduced models accounting for parallel magnetic perturbations: gyrofluid and finite Larmor radius–Landau fluid approaches." Journal of Plasma Physics 82, no. 6 (2016). http://dx.doi.org/10.1017/s0022377816000921.

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Reduced models are derived for a strongly magnetized collisionless plasma at scales which are large relative to the electron thermal gyroradius and in two asymptotic regimes. One corresponds to cold ions and the other to far sub-ion scales. By including the electron pressure dynamics, these models improve the Hall reduced magnetohydrodynamics (MHD) and the kinetic Alfvén wave model of Boldyrev et al. (2013 Astrophys. J., vol. 777, 2013, p. 41), respectively. We show that the two models can be obtained either within the gyrofluid formalism of Brizard (Phys. Fluids, vol. 4, 1992, pp. 1213–1228)
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Tassi, E., D. Grasso, D. Borgogno, T. Passot, and P. L. Sulem. "A reduced Landau-gyrofluid model for magnetic reconnection driven by electron inertia." Journal of Plasma Physics 84, no. 4 (2018). http://dx.doi.org/10.1017/s002237781800051x.

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An electromagnetic reduced gyrofluid model for collisionless plasmas, accounting for electron inertia, finite ion Larmor radius effects and Landau-fluid closures for the electron fluid is derived by means of an asymptotic expansion from a parent gyrofluid model. In the absence of terms accounting for Landau damping, the model is shown to possess a non-canonical Hamiltonian structure. The corresponding Casimir invariants are derived and use is made thereof, in order to obtain a set of normal field variables, in terms of which the Poisson bracket and the model equations take a remarkably simple
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Tassi, Emanuele. "Generalized Hamiltonian drift-fluid and gyrofluid reductions". Journal of Physics A: Mathematical and Theoretical, 13 липня 2023. http://dx.doi.org/10.1088/1751-8121/ace74a.

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Abstract We provide a procedure for deriving Hamiltonian reduced fluid models for plasmas, starting from a Hamiltonian gyrokinetic system in the delta f approximation. The procedure generalizes, to a considerable extent, previous results. In particular, the evolution of moments with respect to the magnetic moment coordinate is also taken into account, together with background density and magnetic inhomogeneities. In the limit of vanishing Finite Larmor Radius (FLR) effects, an infinite family of reduced electron drift-fluid equations is derived, evolving all the electron moments g_ij_e, with i = 0
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Passot, T., and P. L. Sulem. "Imbalanced kinetic Alfvén wave turbulence: from weak turbulence theory to nonlinear diffusion models for the strong regime." Journal of Plasma Physics 85, no. 03 (2019). http://dx.doi.org/10.1017/s0022377819000187.

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A two-field Hamiltonian gyrofluid model for kinetic Alfvén waves retaining ion finite Larmor radius corrections, parallel magnetic field fluctuations and electron inertia, is used to study turbulent cascades from the magnetohydrodynamic (MHD) to the sub-ion scales. Special attention is paid to the case of imbalance between waves propagating along or opposite to the ambient magnetic field. For weak turbulence in the absence of electron inertia, kinetic equations for the spectral density of the conserved quantities (total energy and generalized cross-helicity) are obtained. They provide a global
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Dissertations / Theses on the topic "Gyrofluid models"

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Granier, Camille. "Nouveaux développements sur la théorie des instabilités des feuilles de courant dans les plasmas non-collisionels." Electronic Thesis or Diss., Université Côte d'Azur, 2022. http://www.theses.fr/2022COAZ4109.

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La reconnexion magnétique est une modification de la topologie du champ magnétique, responsable de la libération explosive d'énergie magnétique dans les plasmas astrophysiques, comme dans le cas des orages magnétosphériques et des éjections de masse coronale, ainsi que dans les plasmas de laboratoire, comme dans le cas des crashs en dents de scie dans les tokamaks. Dans les plasmas sans collisions comme, par exemple, la magnétosphère et le vent solaire, l'inertie des électrons devient particulièrement pertinente pour provoquer la reconnexion dans les régions de courant localisé intense, appelé
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Strintzi, Dafni [Verfasser]. "Field theory of nonlinear gyrofluid models / Dafni Strintzi." 2005. http://d-nb.info/977850285/34.

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Conference papers on the topic "Gyrofluid models"

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Sugama, H., T. H. Watanabe, and S. Ferrando i Margalet. "Gyrokinetic and Gyrofluid Models for Zonal Flow Dynamics in Ion and Electron Temperature Gradient Turbulence." In THEORY OF FUSION PLASMAS: Joint Varenna-Lausanne International Workshop. AIP, 2006. http://dx.doi.org/10.1063/1.2404579.

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Dorland, W., G. w. Hammett, T. S. Hahm, and M. A. Beer. "Nonlinear gyrofluid model of ITG turbulence." In U.S.-Japan workshop on ion temperature gradient-driven turbulent transport. AIP, 1994. http://dx.doi.org/10.1063/1.44513.

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Robertson, Scott. "Gyrofluid Model of Plasma Expansion in a Magnetic Nozzle." In 2018 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2018. http://dx.doi.org/10.1109/icops35962.2018.9575820.

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Reports on the topic "Gyrofluid models"

1

Dorland, W., and G. W. Hammett. Gyrofluid turbulence models with kinetic effects. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10114655.

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Dorland, W., and G. W. Hammett. Gyrofluid turbulence models with kinetic effects. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/6829187.

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Scott Parker. Plasma Simulation Using Gyrokinetic-Gyrofluid Hybrid Models. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/1010522.

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