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Extended Pile Driving Model to Predict the Penetration of the Insight/HP^3 Mole into the Martian Soil

Poganski, Joshua and Kömle, Norbert I. and Kargl, Günter and Schweiger, Helmut F. and Grott, Matthias and Spohn, Tilman and Krömer, Olaf and Krause, Christian and Wippermann, Torben and Tsakyridis, Georgios and Fittock, Mark and Lichtenheldt, Roy and Vrettos, Christos and Andrade, José E. (2017) Extended Pile Driving Model to Predict the Penetration of the Insight/HP^3 Mole into the Martian Soil. Space Science Reviews, 211 (1-4). pp. 217-236. ISSN 0038-6308. https://resolver.caltech.edu/CaltechAUTHORS:20171026-125007789

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Abstract

The NASA InSight mission will provide an opportunity for soil investigations using the penetration data of the heat flow probe built by the German Aerospace Center DLR. The Heat flow and Physical Properties Probe (HP^3) will penetrate 3 to 5 meter into the Martian subsurface to investigate the planetary heat flow. The measurement of the penetration rate during the insertion of the HP3 will be used to determine the physical properties of the soil at the landing site. For this purpose, numerical simulations of the penetration process were performed to get a better understanding of the soil properties influencing the penetration performance of HP^3. A pile driving model has been developed considering all masses of the hammering mechanism of HP^3. By cumulative application of individual stroke cycles it is now able to describe the penetration of the Mole into the Martian soil as a function of time, assuming that the soil parameters of the material through which it penetrates are known. We are using calibrated materials similar to those expected to be encountered by the InSight/HP^3 Mole when it will be operated on the surface of Mars after the landing of the InSight spacecraft. We consider various possible scenarios, among them a more or less homogeneous material down to a depth of 3–5 m as well as a layered ground, consisting of layers with different soil parameters. Finally we describe some experimental tests performed with the latest prototype of the InSight Mole at DLR Bremen and compare the measured penetration performance in sand with our modeling results. Furthermore, results from a 3D DEM simulation are presented to get a better understanding of the soil response.


Item Type:Article
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https://doi.org/10.1007/s11214-016-0302-zDOIArticle
https://link.springer.com/article/10.1007%2Fs11214-016-0302-zPublisherArticle
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https://doi.org/10.1007/s11214-017-0397-xDOIErratum
https://link.springer.com/article/10.1007%2Fs11214-017-0397-xErrataErratum
http://rdcu.be/xIRbErrataFree ReadCube access - Erratum
Additional Information:© 2016 Springer Science+Business Media Dordrecht. Received: 13 June 2016; Accepted: 15 October 2016; Published online: 7 November 2016. The authors are grateful to the Austrian FFG (Forschungs-Förderungs-Gesellschaft) for supporting this research in the frame of its ASAP10-program under the Project InSight-MPS (Modeling of Dynamic Penetration in Granular Soils under Space Conditions).
Errata:During article processing an error occurred in the article title and in one of the author’s names. Both instances “HP3” in the article title and author “José E. Andrade” have been corrected in the original article and should be regarded as final version by the reader.
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Funding AgencyGrant Number
Forschungs-Förderungs-GesellschaftUNSPECIFIED
Subject Keywords:Mole penetration models; NASA discovery mission InSight; Mars surface regolith; Dynamic CPT
Issue or Number:1-4
Record Number:CaltechAUTHORS:20171026-125007789
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20171026-125007789
Official Citation:Poganski, J., Kömle, N.I., Kargl, G. et al. Space Sci Rev (2017) 211: 217. https://doi.org/10.1007/s11214-016-0302-z
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82699
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:26 Oct 2017 21:35
Last Modified:03 Oct 2019 18:57

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