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Soil Modeling with a DEM Lookup approach

: Jahnke, J.; Steidel, S.; Burger, M.


Proceedings in applied mathematics and mechanics. PAMM 19 (2019), Nr.1, Art. e201900427, 2 S.
ISSN: 1617-7061
International Association of Applied Mathematics and Mechanics (GAMM Annual Meeting) <90, 2019, Vienna>
European Commission EC
EFRE; 84002745
Simulations- und Softwarebasierte Innovationen für die Entwicklung von Nutzfahrzeugen
Zeitschriftenaufsatz, Konferenzbeitrag
Fraunhofer ITWM ()

We consider an efficient, data‐driven approximation approach for the prediction of soil‐tool interaction forces. In a time‐consuming offline phase, we perform a set of Discrete Element Method basis simulations. In each simulation, we consider a different tool state, process the acquired data and save it into a data structure, which we call a Lookup Table. In an online phase, when performing arbitrary tool maneuvers, we obtain tool forces and moments from the Lookup Table, based on the current tool state. In other words, we generate a data base of tool maneuver forces and access it efficiently.