LARHYSS Journal
Volume 17, Numéro 2, Pages 135-147
2020-06-01

Flood Risk Numerical Simulation Of Bejaia City Urban Zone (algeria)



Authors : Benslimane Malika . Berreksi Ali . Benmamar Saadia . Bouach Ahcene .

Abstract

The main objective of this study is the simulation of the floods in urban zone by applying a calculation code solving the two-dimensional Saint Venant equations. These equations form a set of three coupled equations, not linear and hyperbolic which are solved by an explicit finite volume scheme. The flow in the urban environment is very complex, so the use of a 2D code has several advantages, since it allows describing of crossroads in topography and to know the area of the submerged zone. In our study, we used the Rubar20 code to simulate the inundations of the floods of the N'Dfali Oued which crosses the zone of study located in full city center of Bejaia (Algeria). The obtained results are compared with the different collected data.

Keywords

Flood ; Simulation ; Rubar20 ; Urban zone

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