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Berlin 2008 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 19: Granular matter I

DY 19.5: Talk

Wednesday, February 27, 2008, 15:30–15:45, MA 004

Impact Compaction of a Cohesive Granular MediumJens Boberski, •Lothar Brendel, and Dietrich Wolf — Computational Physics, Universität Duisburg-Essen, Deutschland

The collision between a slab of cohesive granular media and an impacting plate is investigated, focussing on the emerging compaction front. The propagation of the latter is analytically derived, taking into account a constitutive law which relates the powder's volume fraction and stability algebraically. The results are compared to Contact Dynamic simulations of the collision, which confirm the constitutive law and which agree well with the analytic treatment.

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