Preprints
https://doi.org/10.5194/egusphere-2022-1264
https://doi.org/10.5194/egusphere-2022-1264
01 Dec 2022
 | 01 Dec 2022

Fluid Models Capturing Farley-Buneman Instabilities

Enrique Rojas, Keaton Burns, and David Hysell

Abstract. It is generally accepted that modeling Farley-Buneman instabilities require resolving ion Landau damping to reproduce experimentally observed features. Particle-in-cell (PIC) simulations have been able to reproduce most of these, but at a computational cost that severely affects their scalability. This limitation hinders the study of non-local phenomena that require three dimensions or coupling with larger--scale processes. We argue that a form of the five-moment fluid system can recreate several qualitative aspects of Farley-Buneman dynamics such as density and phase speed saturation, wave turning, and heating. Unexpectedly, these features are still reproduced even without using artificial viscosity to capture Landau damping. Comparing the proposed fluid models and a PIC implementation shows good qualitative agreement.

Journal article(s) based on this preprint

13 Jul 2023
Fluid models capturing Farley–Buneman instabilities
Enrique L. Rojas, Keaton J. Burns, and David L. Hysell
Ann. Geophys., 41, 281–287, https://doi.org/10.5194/angeo-41-281-2023,https://doi.org/10.5194/angeo-41-281-2023, 2023
Short summary

Enrique Rojas et al.

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2022-1264', Anonymous Referee #1, 05 Jan 2023
    • AC1: 'Reply on RC1', Enrique Rojas Villalba, 20 Jan 2023
      • RC2: 'Reply on AC1', Anonymous Referee #1, 24 Jan 2023
        • AC3: 'Reply on RC2', Enrique Rojas Villalba, 28 Feb 2023
  • RC3: 'Comment on egusphere-2022-1264', Anonymous Referee #2, 13 Feb 2023
    • AC2: 'Reply on RC3', Enrique Rojas Villalba, 28 Feb 2023

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2022-1264', Anonymous Referee #1, 05 Jan 2023
    • AC1: 'Reply on RC1', Enrique Rojas Villalba, 20 Jan 2023
      • RC2: 'Reply on AC1', Anonymous Referee #1, 24 Jan 2023
        • AC3: 'Reply on RC2', Enrique Rojas Villalba, 28 Feb 2023
  • RC3: 'Comment on egusphere-2022-1264', Anonymous Referee #2, 13 Feb 2023
    • AC2: 'Reply on RC3', Enrique Rojas Villalba, 28 Feb 2023

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
ED: Publish subject to revisions (further review by editor and referees) (08 Mar 2023) by Keisuke Hosokawa
AR by Enrique Rojas Villalba on behalf of the Authors (25 Mar 2023)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (28 Mar 2023) by Keisuke Hosokawa
RR by Ehab Hassan (28 Mar 2023)
RR by Anonymous Referee #1 (11 May 2023)
ED: Publish as is (14 May 2023) by Keisuke Hosokawa
AR by Enrique Rojas Villalba on behalf of the Authors (05 Jun 2023)  Manuscript 

Journal article(s) based on this preprint

13 Jul 2023
Fluid models capturing Farley–Buneman instabilities
Enrique L. Rojas, Keaton J. Burns, and David L. Hysell
Ann. Geophys., 41, 281–287, https://doi.org/10.5194/angeo-41-281-2023,https://doi.org/10.5194/angeo-41-281-2023, 2023
Short summary

Enrique Rojas et al.

Enrique Rojas et al.

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The requested preprint has a corresponding peer-reviewed final revised paper. You are encouraged to refer to the final revised version.

Short summary
The standard linear fluid theory of Farley-Buneman predicts that kinetic physics is required to avoid the artificial growth of smaller structures. We decided to explore the possibility of simulating Farley-Buneman using, for the first time, a fully fluid five-moment model. This is the first time a fully fluid model has been used to simulate the Farley-Buneman instability. The results obtained with both models are qualitatively consistent with the ones from kinetic simulations.