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Published in:
2017 | OriginalPaper | Chapter
5. Investigation of Submerged Debris Flows
Author : Tao Zhao
Published in: Coupled DEM-CFD Analyses of Landslide-Induced Debris Flows
Publisher: Springer Singapore
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Abstract
This chapter presents a numerical investigation of submerged debris flows using the DEM–CFD coupling model. The same DEM model configuration for granular column collapse as that discussed in Chap. 3 has been used in this research to simulate the mechanical behaviour of solid particles, while an incompressible, viscous fluid flow model has been introduced to capture the hydraulic behaviour of fluid flow in the submerged environment. This research aims to shed light on the fluid–solid interaction and the hydraulic properties of submerged debris flows. Conclusions are drawn with regard to the ability of the DEM–CFD coupling algorithm to model the sediment transportation and deposition processes.