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  4. Microscale modeling of frozen particle fluid systems with bonded-particle model method
 
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Microscale modeling of frozen particle fluid systems with bonded-particle model method

Citation Link: https://doi.org/10.15480/882.4783
Publikationstyp
Journal Article
Date Issued
2022-11-29
Sprache
English
Author(s)
Tsz Tung, Chan 
Heinrich, Stefan  
Grabe, Jürgen  
Dosta, Maksym  
Institut
Feststoffverfahrenstechnik und Partikeltechnologie V-3  
Geotechnik und Baubetrieb B-5  
TORE-DOI
10.15480/882.4783
TORE-URI
http://hdl.handle.net/11420/14349
Journal
Materials  
Volume
15
Issue
23
Article Number
8505
Citation
Materials 15 (23): 8505 (2022)
Publisher DOI
10.3390/ma15238505
Scopus ID
2-s2.0-85143810889
Publisher
Multidisciplinary Digital Publishing Institute
An inventive microscale simulation approach is applied to investigate the mechanics of frozen particle fluid systems (PFS). The simulation is based on the discrete element method (DEM) and bonded-particle model (BPM) approach. Discrete particles connected by solid bonds represent frozen agglomerates. Uniaxial compression experiments were performed to gather data for material modeling and further simulation model validation. Different typical mechanical behavior (brittle, ductile, dilatant) were reviewed regarding strain rates, saturation levels, and particle mechanical or surface properties. Among all these factors, strain rate significantly affects the mechanical behavior and properties of the agglomerates. A new solid bond model considering strain-dependent and time-dependent behavior is developed for describing the rheology of the frozen particle fluid systems. Without alternating Young’s modulus and Poisson’s ratio of the bond material, the developed solid model provides a suitable agreement with the experimental results regarding different strain rates.
DDC Class
540: Chemie
600: Technik
620: Ingenieurwissenschaften
Funding(s)
Graduiertenkolleg 2462: Prozesse in natürlichen und technischen Partikel-Fluid-Systemen  
Open-Access-Publikationskosten / 2022-2024 / Technische Universität Hamburg (TUHH)  
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/4.0/
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