Lookup NU author(s): Samantha Mahaffey,
Dr Mohamed Rouainia
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The effect of floating objects has so far been little considered for hazard risk assessment and structure design, despite being an important factor causing structural damage in flood-prone and coastal areas. In this work, a novel two-way method is proposed to fully couple a shock-capturing hydrodynamic model with a discrete element model (DEM) for simulation of complex debris-enriched flow hydrodynamics. After being validated against an idealized analytical test, the new coupled model is used to reproduce flume experiments of floating debris driven by dam-break waves. The numerical results agree satisfactorily with the experimental measurements, demonstrating the model’s capability and efficiency in simulating complex fluid-debris interactions induced by violent shallow flows.
Author(s): Xiong Y, Liang Q, Mahaffey S, Rouainia M, Wang G
Publication type: Article
Publication status: Published
Journal: Journal of Hydrodynamics
Print publication date: 01/10/2018
Online publication date: 09/08/2018
Acceptance date: 02/08/2018
ISSN (print): 1001-6058
ISSN (electronic): 1878-0342
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