How to obtain constitutive relations for stress and density from DEM simulations

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Fine, cohesive-frictional powders are the subject of this study. The behavior under isotropic compression is examined for different material properties involving, friction, rolling-resistance, and contact-adhesion. From a single simulation, the constitutive relation for the density-pressure relation can be extracted. The examined powders show an interesting behaviour: the compaction slows down for moderate stresses and then accelerates for higher pressures.
Original languageEnglish
Title of host publicationWorld Congress particle Technology 6
Editors Nuernberg Messe GmbH
Place of PublicationNuremberg
PublisherNuernberg Messe GmbH
Number of pages4
ISBN (Print)9783000305702
Publication statusPublished - 26 Apr 2010
EventWCPT6 2010: World Congress particle Technology 6 - Nuremberg
Duration: 26 Apr 201029 Apr 2010

Publication series

PublisherNürnberg Messe GmbH


ConferenceWCPT6 2010


  • IR-80365
  • METIS-272242


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