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  4. Experimental and numerical characterization of expanded glass granules
 
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Experimental and numerical characterization of expanded glass granules

Publikationstyp
Journal Article
Date Issued
2018-07-01
Sprache
English
Author(s)
Chaudry, Mohsin Ali  
Woitzik, Christian  orcid-logo
Düster, Alexander  
Wriggers, Peter  
Institut
Konstruktion und Festigkeit von Schiffen M-10  
TORE-URI
http://hdl.handle.net/11420/2792
Journal
Computational particle mechanics  
Volume
5
Issue
3
Start Page
297
End Page
312
Citation
Computational Particle Mechanics 3 (5): 297-312 (2018-07-01)
Publisher DOI
10.1007/s40571-017-0169-0
Scopus ID
2-s2.0-85029588132
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.
Funding(s)
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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