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Regolith Dynamics Simulations of Test Scenarios for Comet 67P/Churyumov-Gerasimenko

Kappel, David and Otto, Katharina A. and Oklay, Nilda and Michalik, Tanja and Kührt, Ekkehard and Tirsch, Daniela and Mottola, Stefano and Groussin, Olivier (2018) Regolith Dynamics Simulations of Test Scenarios for Comet 67P/Churyumov-Gerasimenko. In: Lunar and Planetary Science, p. 2696. 49th Lunar and Planetary Science Conference (2018), 19 Mar - 23 Mar 2018, The Woodlands, Texas.

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Official URL: https://www.hou.usra.edu/meetings/lpsc2018/pdf/2696.pdf

Abstract

We study various test scenarios that are aimed at the reproduction of different morphological features observed on comet 67P/Churyumov-Gerasimenko (hereafter 67P) and other small Solar system bodies. For this purpose, we simulate the surface layer regolith dynamics using the discrete element method (DEM). While the immediate objective is to calibrate the mechanical properties of the regolith grains at the particle-particle level such that they imply the macroscopic observables, the long-term aim is to include sublimation and recondensation of volatiles as well as water ice rheology in the simulations in order to better understand outburst triggers and other volatile-related activity.

Item URL in elib:https://elib.dlr.de/124842/
Document Type:Conference or Workshop Item (Poster)
Title:Regolith Dynamics Simulations of Test Scenarios for Comet 67P/Churyumov-Gerasimenko
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Kappel, DavidUNSPECIFIEDhttps://orcid.org/0000-0002-0518-5548UNSPECIFIED
Otto, Katharina A.UNSPECIFIEDhttps://orcid.org/0000-0002-0675-1177UNSPECIFIED
Oklay, NildaUNSPECIFIEDhttps://orcid.org/0000-0002-4909-9692UNSPECIFIED
Michalik, TanjaUNSPECIFIEDhttps://orcid.org/0000-0002-9556-1737UNSPECIFIED
Kührt, EkkehardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tirsch, DanielaUNSPECIFIEDhttps://orcid.org/0000-0001-5905-5426UNSPECIFIED
Mottola, StefanoUNSPECIFIEDhttps://orcid.org/0000-0002-0457-3872UNSPECIFIED
Groussin, OlivierLab. d'Astrophysique de Marseille, FranceUNSPECIFIEDUNSPECIFIED
Date:22 March 2018
Journal or Publication Title:Lunar and Planetary Science
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:p. 2696
Status:Published
Keywords:Discrete Element Modeling, Comet 67P, Morphology
Event Title:49th Lunar and Planetary Science Conference (2018)
Event Location:The Woodlands, Texas
Event Type:international Conference
Event Dates:19 Mar - 23 Mar 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project ROSETTA Instruments (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geology
Institute of Planetary Research > Asteroids and Comets
Institute of Planetary Research > Leitungsbereich PF
Deposited By: Kappel, David
Deposited On:12 Dec 2018 12:23
Last Modified:29 Mar 2023 00:40

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