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Abstract
In this paper, the capability of two major methods for modelling two-phase flow systems, coupled discrete element method and computational fluid dynamics (DEM-CFD) and smoothed particle hydrodynamics and discrete element method (SPH-DEM), is investigated. The particle phase is modelled using the discrete element method DEM, while the fluid phase is described using either a mesh-based (CFD) or a mesh-less (SPH) method. Comparisons are performed to address algorithmic differences between these methods using a series of verification test cases, prior to its application to more complex systems. The present study describes a comprehensive verification for the fluid-particle simulations with -two different test cases: single particle sedimentation and sedimentation of a constant porosity block. In each case the simulation results are compared with the corresponding analytical solutions showing a good agreement in each case.
Original language | English |
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Title of host publication | PARTICLE-BASED METHODS III: FUNDAMENTALS AND APPLICATIONS |
Editors | M Bischoff, E Ramm, E Onate, R Owen, P Wriggers |
Place of Publication | 08034 BARCELONA |
Publisher | INT CENTER NUMERICAL METHODS ENGINEERING |
Pages | 322-334 |
Number of pages | 13 |
Publication status | Published - 2013 |
Event | 3rd International Conference on Particle-based Methods - Stuttgart, Germany Duration: 18 Sept 2013 → 20 Sept 2013 |
Conference
Conference | 3rd International Conference on Particle-based Methods |
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Country/Territory | Germany |
Period | 18/09/13 → 20/09/13 |
Keywords / Materials (for Non-textual outputs)
- DEM-CFD
- DEM-SPH
- Multiphase flow
- particle sedimentation
- FLUIDIZED-BEDS
- SIMULATION
- MODEL
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