Title
Simulation of grainstraw separation by Discrete Element Modeling with bendable straw particles Simulation of grainstraw separation by Discrete Element Modeling with bendable straw particles
Author
Faculty/Department
Faculty of Sciences. Mathematics and Computer Science
Publication type
article
Publication
Amsterdam ,
Subject
Biology
Engineering sciences. Technology
Computer. Automation
Source (journal)
Computers and electronics in agriculture. - Amsterdam
Volume/pages
101(2014) :1 , p. 24-33
ISSN
0168-1699
ISI
000331686000004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
The combine harvester owes its name to the integration of the whole chain of grain harvesting steps in one machine. Running these interdependent processes simultaneously requires insight in the influence of crop factors and adjustments on the individual processes and the consequences for downstream processes. This paper introduces changes to the Discrete Element Method (DEM) in order to be suitable for the simulation of grainstraw separation, which is one of the most critical processes in the combine harvester. Segmented bendable straw particles have been constructed in the DEMeter++ simulation environment and their physical properties have been calibrated with realistic straw properties. The use of these particles for modeling separation has been validated by reconstructing an existing separation experiment by Beck (1992) in DEMeter++ and comparing the simulation result with the experiment. Once validated, the practical use of the simulation framework to assess the sensitivity of separation to crop properties is illustrated.
E-info
https://repository.uantwerpen.be/docman/iruaauth/a1345f/a74be3158af.pdf
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