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)
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
Journal: Computational particle mechanics 
Institute: Konstruktion und Festigkeit von Schiffen M-10 
Document Type: Article
Project: A two-scale simulation approach of the collision behavior of double hull vessels filled with particles 
More Funding information: 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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