Several processes in nature as well as many industrial applications involve static or dynamic granular materials. Granulates can adopt solid, liquid or gas like states and thereby reveal intriguing physical phenomena not observable in its versatility for any other form of matter. The frequent occurrence of phase transitions and the related characteristics thereby strongly affect their processing quality and economics. This situation demands for prediction methods for the behavior of granulates. In this context simulations provide a feasible alternative to experimental investigations. Several different simulation approaches are applicable to granular materials. The time-driven Discrete Element Method turns out to be the most complex but also as the most general method. The method has been used in a wide variety of scientific fields for more than thirty years. With the tremendous increase in available computer power, especially in the last years, the method is more and more developing to the state of the art simulation technique for granular materials. Despite of the long time of usage, model advances and theoretical and experimental studies are not harmonized in the different branches of application, providing potential for improvements. Therefore, the scope of this paper is a review of methods and models based on theoretical considerations and experimental data from literature. Through model advances it is intended to contribute to a general enhancement of techniques, which are then directly available for simulations.
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ASME 2008 Pressure Vessels and Piping Conference
July 27–31, 2008
Chicago, Illinois, USA
Conference Sponsors:
- Pressure Vessels and Piping
ISBN:
978-0-7918-4827-2
PROCEEDINGS PAPER
Selection of Optimal Models for the Discrete Element Method: The Single Particle Perspective
Harald Kruggel-Emden,
Harald Kruggel-Emden
Ruhr-University Bochum, Bochum, Germany
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Siegmar Wirtz,
Siegmar Wirtz
Ruhr-University Bochum, Bochum, Germany
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Viktor Scherer
Viktor Scherer
Ruhr-University Bochum, Bochum, Germany
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Harald Kruggel-Emden
Ruhr-University Bochum, Bochum, Germany
Siegmar Wirtz
Ruhr-University Bochum, Bochum, Germany
Viktor Scherer
Ruhr-University Bochum, Bochum, Germany
Paper No:
PVP2008-61042, pp. 123-135; 13 pages
Published Online:
July 24, 2009
Citation
Kruggel-Emden, H, Wirtz, S, & Scherer, V. "Selection of Optimal Models for the Discrete Element Method: The Single Particle Perspective." Proceedings of the ASME 2008 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. Chicago, Illinois, USA. July 27–31, 2008. pp. 123-135. ASME. https://doi.org/10.1115/PVP2008-61042
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