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Linearization-based methods for the calibration of bonded-particle models

Citation Link: https://doi.org/10.15480/882.3513
Publikationstyp
Journal Article
Publikationsdatum
2021-05
Sprache
English
Author
Jarolin, Kolja orcid-logo
Dosta, Maksym 
Institut
Feststoffverfahrenstechnik und Partikeltechnologie V-3 
Mehrskalensimulation von Feststoffsystemen V-EXK1 
DOI
10.15480/882.3513
TORE-URI
http://hdl.handle.net/11420/7534
Lizenz
https://creativecommons.org/licenses/by/4.0/
Enthalten in
Computational particle mechanics 
Volume
8
Issue
3
Start Page
511
End Page
523
Citation
Computational Particle Mechanics 8 (3): 511-523 (2021-05)
Publisher DOI
10.1007/s40571-020-00348-z
Scopus ID
2-s2.0-85088464592
Publisher
Springer
© 2020, The Author(s). In the work at hand, two methods for the calibration of the elastic material parameters of bonded-particle models (BPMs) are proposed. These methods are based on concepts of classical mechanics and enable a faster calibration compared to the conventional trial and error strategy. Moreover, they can be used to counter-check the consistency of the BPM. In the first method, the mathematical model is linearized and solved in a classical matrix-vector formulation similar to a finite element scheme. Further linearization in the second approach enables the direct calculation of the elastic stiffness tensor, reducing computational costs massively. To analyze the capabilities and limitations of both methods, they have been applied in three different case studies. Obtained results have shown that the new strategy allows us to significantly reduce the calculation time.
Schlagworte
Bonded-particle model
Calibration
Direct stiffness method
Discrete element method
DDC Class
600: Technik
620: Ingenieurwissenschaften
Projekt(e)
Mulitiskalen Simulation zur Analyse und Optimierung der Chemical-Looping Vergasung 
Projekt DEAL 
Funding Organisations
Deutsche Forschungsgemeinschaft (DFG) 
TUHH
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