"Numerical Study of Local Scour Around Inclined Bridge Piles Under Wave Conditions" by Elsayed Mosaad Shewakh, Ibrahim Mohamed Rashwan et al.
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Journal of Engineering Research

Journal of Engineering Research

DOI

https://doi.org/10.70259/engJER.2025.911918

Abstract

Scouring is an issue of interest in the bridge design process, in reality many inclined piers are used. Moreover, scour prosses around inclined piers have non-uniform behaviour depending on its exposure of their foundation into the flow field. The mean purpose of this paper is to study the flow and local scour evolution around the inclined piers to the flow under waves conditions using numerical work. For this purpose, a hydrodynamic and morphological three-dimensional model using RANS equations, and the turbulence k-ε model is used. The inclination direction affects both the strength and location of the scour. Different value of inclination angle study in this paper α= .The scour around a pile with wave condition regulated by the activity of lee wake and the horseshoe vortex. The upstream scour depth around the inclined pile is less than vertical pile. Simulations results expose the development of significant horseshoe vortices upstream the inclined pier change the scouring patterns variation when comparing inclined piles to vertical piles. As the inclination angle increases towards the downstream direction, the maximum scour depth reduces near the front of the inclined pile.

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