Publisher DOI: 10.1007/s40571-017-0169-0
Title: Experimental and numerical characterization of expanded glass granules
Language: English
Authors: Chaudry, Mohsin Ali 
Woitzik, Christian 
Düster, Alexander 
Wriggers, Peter 
Issue Date: 1-Jul-2018
Source: Computational Particle Mechanics 3 (5): 297-312 (2018-07-01)
Journal or Series Name: Computational particle mechanics 
Abstract (english): In this paper, the material response of expanded glass granules at different scales and under different boundary conditions is investigated. At grain scale, single particle tests can be used to determine properties like Young’s modulus or crushing strength. With experiments like triaxial and oedometer tests, it is possible to examine the bulk mechanical behaviour of the granular material. Our experimental investigation is complemented by a numerical simulation where the discrete element method is used to compute the mechanical behaviour of such materials. In order to improve the simulation quality, effects such as rolling resistance, inelastic behaviour, damage, and crushing are also included in the discrete element method. Furthermore, the variation of the material properties of granules is modelled by a statistical distribution and included in our numerical simulation.
ISSN: 2196-4378
Institute: Konstruktion und Festigkeit von Schiffen M-10 
Type: (wissenschaftlicher) Artikel
Funded by: The support of the DFG (Deutsche Forschungsgemeinschaft) under Grant Nos. DU 405/9-1 and WR 19/55-1 is gratefully acknowledged.
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