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3D Numerical Modelling of Flow Overtopping Induced of Fluvial Dikes

Author(s): Shiqin Zhou; Xuefang Li; Vincent Schmitz; Vasileios Kitsikoudis; Shuyue Yu; Sebastian Erpicum; Benjamin Dewals

Linked Author(s): Benjamin J. Dewals, Vasileios Kitsikoudis

Keywords: Dike failure 3D modelling Flow pattern Turbulent model Dike geometries

Abstract: The occurrence of a dike failure event can have catastrophic consequences for rural and urban areas. Various physical models have been constructed to study the event and have provided detailed insight into the processes leading to a dike failure and the subsequent discharge partitioning at the location of the dike breach. However, such physical models have certain inherent limitations, which do not allow for directly monitoring the whole flow field. For example, under events of dike failure, the shape of the dike changes continually, resulting in a difficulty in observing the characteristics of water flow. Our research endeavors to expand the understanding of the flow processes in a dike breach by delving into 3D computational simulations, providing a more holistic perspective on hydrodynamics in events of dike failure.

DOI:

Year: 2025

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