Efficient discrete element modeling of heat generation and transfer in granular flows: Validation and application Article Swipe
Rafael L. Rangel
,
Alejandro Cornejo
,
Eugenio Oñate
,
Alessandro Franci
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1016/j.powtec.2024.119719
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1016/j.powtec.2024.119719
This work presents an efficient Discrete Element Method (DEM) framework for the simulation of the thermal behavior of granular media. The main focus is on long-lasting granular flows, involving heat transfer and generation due to mechanical energy dissipation. The proposed approach uses efficient strategies to reduce the computational cost of the analyses and, therefore, to enable its application to problems of practical relevance. For instance, the contact area is adjusted to compensate for the artificial material softening that is typically considered in DEM to increase the time step size. After extended validation, the methodology is applied to the simulation of different setups of an experimental rotating drum. The numerical simulations presented good agreement with the experimental results and allowed a detailed analysis of the mechanisms and patterns of heat generation, which could not be extrapolated from the experimental campaign.
Related Topics
Concepts
Discrete element method
Heat transfer
Granular material
Dissipation
Extended discrete element method
Work (physics)
Computer science
Heat generation
Thermal
Focus (optics)
Finite element method
Mechanical engineering
Mechanics
Simulation
Materials science
Engineering
Structural engineering
Physics
Thermodynamics
Optics
Composite material
Boundary knot method
Boundary element method
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1016/j.powtec.2024.119719
- https://ars.els-cdn.com/content/image/1-s2.0-S0032591024003619-ga1_lrg.jpg
- OA Status
- hybrid
- Cited By
- 7
- References
- 87
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4393410087
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4393410087Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1016/j.powtec.2024.119719Digital Object Identifier
- Title
-
Efficient discrete element modeling of heat generation and transfer in granular flows: Validation and applicationWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
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2024Year of publication
- Publication date
-
2024-04-01Full publication date if available
- Authors
-
Rafael L. Rangel, Alejandro Cornejo, Eugenio Oñate, Alessandro FranciList of authors in order
- Landing page
-
https://doi.org/10.1016/j.powtec.2024.119719Publisher landing page
- PDF URL
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https://ars.els-cdn.com/content/image/1-s2.0-S0032591024003619-ga1_lrg.jpgDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
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https://ars.els-cdn.com/content/image/1-s2.0-S0032591024003619-ga1_lrg.jpgDirect OA link when available
- Concepts
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Discrete element method, Heat transfer, Granular material, Dissipation, Extended discrete element method, Work (physics), Computer science, Heat generation, Thermal, Focus (optics), Finite element method, Mechanical engineering, Mechanics, Simulation, Materials science, Engineering, Structural engineering, Physics, Thermodynamics, Optics, Composite material, Boundary knot method, Boundary element methodTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
7Total citation count in OpenAlex
- Citations by year (recent)
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2025: 4, 2024: 3Per-year citation counts (last 5 years)
- References (count)
-
87Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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